Pub Date : 2025-04-14DOI: 10.1016/j.jcis.2025.137572
Egor A. Bersenev , Lauren Matthews , Valentina Rein , Rebecca J. Fong , Oleg V. Konovalov , Wuge H. Briscoe
We investigated the structure of polymer-surfactant aggregates and their pH-dependent structural evolution using hydrophobically modified poly(vinyl-pyrrolidone) (h-PVP) and sodium dodecyl sulfate (SDS). The structure of the complexes in the weak (pH ≃ 9) and strong (pH ≃ 2) interaction regimes was studied using small-angle X-ray scattering, with the data analysed on an absolute intensity scale, using molecular parameters as constraints. At pH 9, where self-assembly was driven by hydrophobic interactions, we have found that, at low surfactant concentrations, elongated aggregates were formed. At excess surfactant concentrations, the aggregates became more compact with a smaller aggregation number, resembling free micelles with the hydrophobic domains of the polymer incorporated into the surfactant core. In all cases, aggregates formed a continuous network, with polymer serving as a weak cross-linker between aggregates. Finally, we have compared the structure of these weakly interacting aggregates with the precipitates formed at low pH, where the electrostatic attraction dominates.
{"title":"Balance of hydrophobic and electrostatic interaction of polymers and surfactants: Case of anionic surfactant and hydrophobically modified polymer","authors":"Egor A. Bersenev , Lauren Matthews , Valentina Rein , Rebecca J. Fong , Oleg V. Konovalov , Wuge H. Briscoe","doi":"10.1016/j.jcis.2025.137572","DOIUrl":"10.1016/j.jcis.2025.137572","url":null,"abstract":"<div><div>We investigated the structure of polymer-surfactant aggregates and their pH-dependent structural evolution using hydrophobically modified poly(vinyl-pyrrolidone) (h-PVP) and sodium dodecyl sulfate (SDS). The structure of the complexes in the weak (pH ≃ 9) and strong (pH ≃ 2) interaction regimes was studied using small-angle X-ray scattering, with the data analysed on an absolute intensity scale, using molecular parameters as constraints. At pH 9, where self-assembly was driven by hydrophobic interactions, we have found that, at low surfactant concentrations, elongated aggregates were formed. At excess surfactant concentrations, the aggregates became more compact with a smaller aggregation number, resembling free micelles with the hydrophobic domains of the polymer incorporated into the surfactant core. In all cases, aggregates formed a continuous network, with polymer serving as a weak cross-linker between aggregates. Finally, we have compared the structure of these weakly interacting aggregates with the precipitates formed at low pH, where the electrostatic attraction dominates.</div></div>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"693 ","pages":"Article 137572"},"PeriodicalIF":9.4,"publicationDate":"2025-04-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143855558","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2025-04-14DOI: 10.1016/j.jcis.2025.137601
Deepika Sharma, Federico M. Harte, Gregory R. Ziegler
Nanofibers were electrospun (20 kV, 6 mL/h, 10 cm, 8 h) from a phase-separated mixture of hydroxypropyl methylcellulose (HPMC) and molecularly dispersed casein. Associative phase separation resulted in a dope comprising a gel-like coacervate phase dispersed in a casein solution with a third phase comprising casein aggregates. Beadless fibers of 535 nm average diameter, a maximum specific surface area of 3.3 m2/g, and maxima in Young’s modulus and tensile strength were spun from a dope containing 1.5 % w/v HPMC and 18.5 % w/v acid casein in 50 % v/v aqueous ethanol at pH 10 demonstrating a minimum in surface tension. Classic spindle-shaped beads resulting from Rayleigh instability were observed at lower HPMC concentrations as were thickened, irregular fibers likely resulting from the unique phase behavior at higher HPMC levels. At 100 % relative humidity, the fiber mats readily adsorbed moisture, causing their transformation into clear films. Reinforcement with HPMC produced casein-rich nanofibers with improved mechanical strength and potential utility in food, biomedical, or cosmetic applications.
{"title":"Fabrication and physicomechanical performance of casein-hydroxypropyl methylcellulose nanofibers","authors":"Deepika Sharma, Federico M. Harte, Gregory R. Ziegler","doi":"10.1016/j.jcis.2025.137601","DOIUrl":"10.1016/j.jcis.2025.137601","url":null,"abstract":"<div><div>Nanofibers were electrospun (20 kV, 6 mL/h, 10 cm, 8 h) from a phase-separated mixture of hydroxypropyl methylcellulose (HPMC) and molecularly dispersed casein. Associative phase separation resulted in a dope comprising a gel-like coacervate phase dispersed in a casein solution with a third phase comprising casein aggregates. Beadless fibers of 535 nm average diameter, a maximum specific surface area of 3.3 m<sup>2</sup>/g, and maxima in Young’s modulus and tensile strength were spun from a dope containing 1.5 % w/v HPMC and 18.5 % w/v acid casein in 50 % v/v aqueous ethanol at pH 10 demonstrating a minimum in surface tension. Classic spindle-shaped beads resulting from Rayleigh instability were observed at lower HPMC concentrations as were thickened, irregular fibers likely resulting from the unique phase behavior at higher HPMC levels. At 100 % relative humidity, the fiber mats readily adsorbed moisture, causing their transformation into clear films. Reinforcement with HPMC produced casein-rich nanofibers with improved mechanical strength and potential utility in food, biomedical, or cosmetic applications.</div></div>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"693 ","pages":"Article 137601"},"PeriodicalIF":9.4,"publicationDate":"2025-04-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143848607","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2025-04-14DOI: 10.1016/j.jcis.2025.137602
Jialing He, Junyu Wang, Jin Wan, Xiaodong Wang, Chuanzhen Feng, Qingxia Zhou, Qi Lan, Huijuan Zhang, Yu Wang
Photoelectrocatalytic (PEC) water splitting on photoelectrodes is ranked as a great challenge, which requires fast charge-carrier dynamics and sufficient catalytic active sites. Herein, we develop a surfactant-assisted synthetic strategy for synthesizing a lollipop-liked Z-scheme heterostructure composed by growing SnS2 nanosheets and NiS nanoparticles (tips) on WO3 nanorods. Particularly, the selective growth of SnS2 on one end of the WO3 nanorods allows for the complete exposure of the catalytic active sites of the WO3 nanorods. Besides, the introduced interfacial SO bond creates a uniaxial transport channel that enhances the efficient movement of photogenerated charge carriers. Under the synergistic effect of the direct Z-scheme heterojunction and SO bonds, the optimized photoanode generates a superior current density of 2.78 mA cm−2 under AM 1.5 G illumination, which is 6 times and 2 times that of WO3 and WO3/SnS2. The photocurrent generated by NiS/WO3/SnS2-based photoanodes surpasses that of the majority of WO3-based photoanodes deposited on fluorine-doped tin oxide (FTO). The design of ternary lollipop structure offers an effective approach to harnessing solar energy to achieve efficient photoelectrochemical water splitting performance.
{"title":"Constructing the coordination environment of SO in NiS/WO3/SnS2 for photoelectrochemical water splitting","authors":"Jialing He, Junyu Wang, Jin Wan, Xiaodong Wang, Chuanzhen Feng, Qingxia Zhou, Qi Lan, Huijuan Zhang, Yu Wang","doi":"10.1016/j.jcis.2025.137602","DOIUrl":"10.1016/j.jcis.2025.137602","url":null,"abstract":"<div><div>Photoelectrocatalytic (PEC) water splitting on photoelectrodes is ranked as a great challenge, which requires fast charge-carrier dynamics and sufficient catalytic active sites. Herein, we develop a surfactant-assisted synthetic strategy for synthesizing a lollipop-liked Z-scheme heterostructure composed by growing SnS<sub>2</sub> nanosheets and NiS nanoparticles (tips) on WO<sub>3</sub> nanorods. Particularly, the selective growth of SnS<sub>2</sub> on one end of the WO<sub>3</sub> nanorods allows for the complete exposure of the catalytic active sites of the WO<sub>3</sub> nanorods. Besides, the introduced interfacial S<img>O bond creates a uniaxial transport channel that enhances the efficient movement of photogenerated charge carriers. Under the synergistic effect of the direct Z-scheme heterojunction and S<img>O bonds, the optimized photoanode generates a superior current density of 2.78 mA cm<sup>−2</sup> under AM 1.5 G illumination, which is 6 times and 2 times that of WO<sub>3</sub> and WO<sub>3</sub>/SnS<sub>2</sub>. The photocurrent generated by NiS/WO<sub>3</sub>/SnS<sub>2</sub>-based photoanodes surpasses that of the majority of WO<sub>3</sub>-based photoanodes deposited on fluorine-doped tin oxide (FTO). The design of ternary lollipop structure offers an effective approach to harnessing solar energy to achieve efficient photoelectrochemical water splitting performance.</div></div>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"693 ","pages":"Article 137602"},"PeriodicalIF":9.4,"publicationDate":"2025-04-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143845017","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2025-04-13DOI: 10.1016/j.jcis.2025.137597
Wenbo Li , Shunchao Ma , Nan Zhang , Yutong Yang , Siqi Fan , Lina Cong , Haiming Xie
Currently, non-flammable deep eutectic electrolytes (DEEs), typically based on N-methylacetamide (NMAC), have been deemed as high-quality electrolytes employed in lithium-metal batteries (LMBs). However, the unstable interphase chemistry derived from high reactivity of amide groups towards aggressive electrodes (Li and NCM cathode) and tight Li+-amide coordination still exists as the unavoidable “sore point” for DEEs innovation as yet. Herein, inspired by fluorinated solvent strategy, N-Methyl-2,2,2-trifluoroacetamide (FNMAC), is proposed to design the FNMAC-based DEE (F-DEE-1:n, n = 2 ∼ 8) solely containing lithium bis(trifluoromethanesulphonyl)imide (LiTFSI) salt. Introducing electron-withdrawing –CF3 group is conducive to realizing excellent oxidation resistance as well as stable interphase chemistry, which impairs Li+-amide strong coordination bringing forth anion-rich solvation sheath and robust solid electrolyte interface (SEI) with high inorganic content, together with promoting the fast desolvation of Li+. Consequently, the F-DEE-1:4 endows NCM622||Li cells with excellent rate capability and outstanding long lifespan along with high capacity retention of ∼91.3 % after cycling 420 times, much superior to those using NMAC-based DEE (N-DEE-1:4). This work is instructive for high-quality DEEs innovation and emphasizes the close correlation between Li+ coordination environment and stable interphase chemistry within LMBs.
{"title":"Molecular fluorination towards deep eutectic amide-based electrolyte for stable high voltage lithium–metal batteries","authors":"Wenbo Li , Shunchao Ma , Nan Zhang , Yutong Yang , Siqi Fan , Lina Cong , Haiming Xie","doi":"10.1016/j.jcis.2025.137597","DOIUrl":"10.1016/j.jcis.2025.137597","url":null,"abstract":"<div><div>Currently, non-flammable deep eutectic electrolytes (DEEs), typically based on <em>N</em>-methylacetamide (NMAC), have been deemed as high-quality electrolytes employed in lithium-metal batteries (LMBs). However, the unstable interphase chemistry derived from high reactivity of amide groups towards aggressive electrodes (Li and NCM cathode) and tight Li<sup>+</sup>-amide coordination still exists as the unavoidable “sore point” for DEEs innovation as yet. Herein, inspired by fluorinated solvent strategy, <em>N</em>-Methyl-2,2,2-trifluoroacetamide (FNMAC), is proposed to design the FNMAC-based DEE (F-DEE-1:n, n = 2 ∼ 8) solely containing lithium bis(trifluoromethanesulphonyl)imide (LiTFSI) salt. Introducing electron-withdrawing –CF<sub>3</sub> group is conducive to realizing excellent oxidation resistance as well as stable interphase chemistry, which impairs Li<sup>+</sup>-amide strong coordination bringing forth anion-rich solvation sheath and robust solid electrolyte interface (SEI) with high inorganic content, together with promoting the fast desolvation of Li<sup>+</sup>. Consequently, the F-DEE-1:4 endows NCM622||Li cells with excellent rate capability and outstanding long lifespan along with high capacity retention of ∼91.3 % after cycling 420 times, much superior to those using NMAC-based DEE (<em>N</em>-DEE-1:4). This work is instructive for high-quality DEEs innovation and emphasizes the close correlation between Li<sup>+</sup> coordination environment and stable interphase chemistry within LMBs.</div></div>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"693 ","pages":"Article 137597"},"PeriodicalIF":9.4,"publicationDate":"2025-04-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143848608","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2025-04-13DOI: 10.1016/j.jcis.2025.137595
Wen Jiang, Qiang Xiao, Weidong Zhu, Fumin Zhang
The development of efficient and sustainable energy sources is a crucial strategy for addressing energy and environmental crises, with a particular focus on high-performance catalysts. Single-atom catalysts (SACs) have attracted significant attention because of their exceptionally high atom utilization efficiency and outstanding selectivity, offering broad application prospects in energy development and chemical production. This review systematically summarizes the latest research progress on SACs in five key electrochemical reactions: hydrogen evolution reaction, oxygen reduction reaction, carbon dioxide reduction reaction, nitrogen reduction reaction, and oxygen evolution reaction. Initially, a brief overview of the current understanding of electrocatalytic active sites in SACs is provided. Subsequently, the electrocatalytic mechanisms of these reactions are discussed. Emphasis is placed on various modification strategies for SAC surface-active sites, including coordination environment regulation, electronic structure modulation, support structure regulation, the introduction of structural defects, and multifunctional site design, all aimed at enhancing electrocatalytic performance. This review comprehensively examines SAC deactivation and poisoning mechanisms, highlighting the importance of stability enhancement for practical applications. It also explores the integration of density functional theory calculations and machine learning to elucidate the fundamental principles of catalyst design and performance optimization. Furthermore, various synthesis strategies for industrial-scale production are summarized, providing insights into commercialization. Finally, perspectives on future research directions for SACs are highlighted, including synthesis strategies, deeper insights into active sites, the application of artificial intelligence tools, and standardized testing and performance requirements.
{"title":"Engineering the regulation strategy of active sites to explore the intrinsic mechanism over single‑atom catalysts in electrocatalysis","authors":"Wen Jiang, Qiang Xiao, Weidong Zhu, Fumin Zhang","doi":"10.1016/j.jcis.2025.137595","DOIUrl":"10.1016/j.jcis.2025.137595","url":null,"abstract":"<div><div>The development of efficient and sustainable energy sources is a crucial strategy for addressing energy and environmental crises, with a particular focus on high-performance catalysts. Single-atom catalysts (SACs) have attracted significant attention because of their exceptionally high atom utilization efficiency and outstanding selectivity, offering broad application prospects in energy development and chemical production. This review systematically summarizes the latest research progress on SACs in five key electrochemical reactions: hydrogen evolution reaction, oxygen reduction reaction, carbon dioxide reduction reaction, nitrogen reduction reaction, and oxygen evolution reaction. Initially, a brief overview of the current understanding of electrocatalytic active sites in SACs is provided. Subsequently, the electrocatalytic mechanisms of these reactions are discussed. Emphasis is placed on various modification strategies for SAC surface-active sites, including coordination environment regulation, electronic structure modulation, support structure regulation, the introduction of structural defects, and multifunctional site design, all aimed at enhancing electrocatalytic performance. This review comprehensively examines SAC deactivation and poisoning mechanisms, highlighting the importance of stability enhancement for practical applications. It also explores the integration of density functional theory calculations and machine learning to elucidate the fundamental principles of catalyst design and performance optimization. Furthermore, various synthesis strategies for industrial-scale production are summarized, providing insights into commercialization. Finally, perspectives on future research directions for SACs are highlighted, including synthesis strategies, deeper insights into active sites, the application of artificial intelligence tools, and standardized testing and performance requirements.</div></div>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"693 ","pages":"Article 137595"},"PeriodicalIF":9.4,"publicationDate":"2025-04-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143825689","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2025-04-13DOI: 10.1016/j.jcis.2025.137596
Weimin Qi , Tianjiao Zhao , Min Liu , Xiaojing Shi , Yongqi Yang , Yunying Huang , Niansheng Li , Kelong Ai , Qiong Huang
<div><h3>Introduction</h3><div>Tantalum sulfide (TaS<sub>2</sub>), a two-dimensional layered material, shows significant promise for treating acute liver injury (ALI) due to its exceptional biocompatibility and potent reactive oxygen species (ROS) scavenging capacity. However, the clinical translation of TaS<sub>2</sub>-based therapy remains limited by challenges in optimizing its stability, bioavailability, and particle size to match the liver’s complex architecture.</div></div><div><h3>Objectives</h3><div>This study investigated the mechanisms by which serum albumin (SA)-modified TaS<sub>2</sub> nanosheets (S-TaS<sub>2</sub>) modulate oxidative stress, apoptosis, and inflammation to achieve therapeutic efficacy in ALI.</div></div><div><h3>Methods</h3><div>S-TaS<sub>2</sub> was synthesized via a top-down exfoliation strategy and comprehensively characterized using transmission electron microscopy (TEM), X-ray photoelectron spectroscopy (XPS), X-ray diffraction (XRD), Fourier-transform infrared spectroscopy (FTIR), ultraviolet–visible (UV–Vis) spectroscopy, and Zeta potential analysis. <em>In vivo</em> therapeutic performance was evaluated through liver function tests, Hematoxylin-Eosin staining (HE), Dihydroethidium (DHE) staining, 8-Hydroxy-2′-deoxyguanosine (8-OHdG) staining, and ROS level assessments. Biodistribution, mitochondrial protection, and anti-inflammatory effects of S-TaS<sub>2</sub> were assessed via <em>in vivo</em> fluorescence imaging, immunohistochemistry, western blotting, JC-1 and Mitochondrial Superoxide (MitoSOX) staining, Annexin V-fluorescein isothiocyanate (FITC)/Propidium Iodide (PI) apoptosis assays, enzyme-linked immunosorbent assays (ELISA), and other complementary techniques.</div></div><div><h3>Results</h3><div>The exfoliation process successfully reduced TaS<sub>2</sub> to monolayer nanosheets, yielding a nanoscale formulation with improved bioactivity. SA modification significantly enhanced aqueous stability and enabled targeted liver delivery. This targeting effect is attributed to two factors: the inherent liver affinity of SA and the optimal particle size of S-TaS<sub>2</sub> (∼185 nm), which facilitates passage through hepatic sinusoids (50–200 nm) and, in pathological conditions such as ALI, through damaged vascular endothelium. In an acetaminophen (APAP)-induced ALI model, S-TaS<sub>2</sub> preferentially accumulated in the injured liver, where it scavenged excessive ROS, mitigated mitochondrial dysfunction, and significantly preserved hepatocyte integrity. Notably, S-TaS<sub>2</sub> also attenuated liver inflammation, reduced pro-inflammatory cytokine levels, and promoted tissue repair. Furthermore, it demonstrated adequate biosafety both <em>in vitro</em> and <em>in vivo</em>.</div></div><div><h3>Conclusions</h3><div>This study presents the first successful synthesis of S-TaS<sub>2</sub>, a liver-targeting nanotherapeutic engineered through SA modification and size optimization. S-TaS<sub>2</sub> preferen
{"title":"Engineered tantalum sulfide nanosheets for effective acute liver injury treatment by regulating oxidative stress and inflammation","authors":"Weimin Qi , Tianjiao Zhao , Min Liu , Xiaojing Shi , Yongqi Yang , Yunying Huang , Niansheng Li , Kelong Ai , Qiong Huang","doi":"10.1016/j.jcis.2025.137596","DOIUrl":"10.1016/j.jcis.2025.137596","url":null,"abstract":"<div><h3>Introduction</h3><div>Tantalum sulfide (TaS<sub>2</sub>), a two-dimensional layered material, shows significant promise for treating acute liver injury (ALI) due to its exceptional biocompatibility and potent reactive oxygen species (ROS) scavenging capacity. However, the clinical translation of TaS<sub>2</sub>-based therapy remains limited by challenges in optimizing its stability, bioavailability, and particle size to match the liver’s complex architecture.</div></div><div><h3>Objectives</h3><div>This study investigated the mechanisms by which serum albumin (SA)-modified TaS<sub>2</sub> nanosheets (S-TaS<sub>2</sub>) modulate oxidative stress, apoptosis, and inflammation to achieve therapeutic efficacy in ALI.</div></div><div><h3>Methods</h3><div>S-TaS<sub>2</sub> was synthesized via a top-down exfoliation strategy and comprehensively characterized using transmission electron microscopy (TEM), X-ray photoelectron spectroscopy (XPS), X-ray diffraction (XRD), Fourier-transform infrared spectroscopy (FTIR), ultraviolet–visible (UV–Vis) spectroscopy, and Zeta potential analysis. <em>In vivo</em> therapeutic performance was evaluated through liver function tests, Hematoxylin-Eosin staining (HE), Dihydroethidium (DHE) staining, 8-Hydroxy-2′-deoxyguanosine (8-OHdG) staining, and ROS level assessments. Biodistribution, mitochondrial protection, and anti-inflammatory effects of S-TaS<sub>2</sub> were assessed via <em>in vivo</em> fluorescence imaging, immunohistochemistry, western blotting, JC-1 and Mitochondrial Superoxide (MitoSOX) staining, Annexin V-fluorescein isothiocyanate (FITC)/Propidium Iodide (PI) apoptosis assays, enzyme-linked immunosorbent assays (ELISA), and other complementary techniques.</div></div><div><h3>Results</h3><div>The exfoliation process successfully reduced TaS<sub>2</sub> to monolayer nanosheets, yielding a nanoscale formulation with improved bioactivity. SA modification significantly enhanced aqueous stability and enabled targeted liver delivery. This targeting effect is attributed to two factors: the inherent liver affinity of SA and the optimal particle size of S-TaS<sub>2</sub> (∼185 nm), which facilitates passage through hepatic sinusoids (50–200 nm) and, in pathological conditions such as ALI, through damaged vascular endothelium. In an acetaminophen (APAP)-induced ALI model, S-TaS<sub>2</sub> preferentially accumulated in the injured liver, where it scavenged excessive ROS, mitigated mitochondrial dysfunction, and significantly preserved hepatocyte integrity. Notably, S-TaS<sub>2</sub> also attenuated liver inflammation, reduced pro-inflammatory cytokine levels, and promoted tissue repair. Furthermore, it demonstrated adequate biosafety both <em>in vitro</em> and <em>in vivo</em>.</div></div><div><h3>Conclusions</h3><div>This study presents the first successful synthesis of S-TaS<sub>2</sub>, a liver-targeting nanotherapeutic engineered through SA modification and size optimization. S-TaS<sub>2</sub> preferen","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"693 ","pages":"Article 137596"},"PeriodicalIF":9.4,"publicationDate":"2025-04-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143838670","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
All-solid-state lithium sulfur batteries (ASSLSBs) hold significant promise in the application of high energy density batteries, yet they suffer from poor ionic conductivity, low Li+ transference number and unsatisfactory lithium polysulfides (LiPSs) conversion. In this paper, porous-dual-shell structure and heterojunction Co3O4@NiCo2O4 is prepared and composited with polyethylene oxide (PEO)-based solid polymer electrolytes (SPEs) to address these problems. The superimposed electric field for Co3O4@NiCo2O4 composed of the heterointerfaces -build-in electric field and the surface oxygen-rich vacancies-build-in electric field facilitates the dissociation of Li salts, thus improving the ionic conductivity. It exhibits high ionic conductivity of 1.04 × 10−3 S/cm and Li+ transference number of 0.48 at 60 °C. Besides, the incorporation of Co3O4@NiCo2O4 heterojunction enables fast LiPSs conversion and improves the electrochemical kinetics. The Li//Li cell can work stably for 1100 h at 0.1 mA/cm2. The Li//S cell provides an initial capacity of 1170 mA h/g, a reversible capacity of 620.1mA h/g after 100 cycles and 308.3 mA h/g after 450 cycles at 0.2 C.
{"title":"Porous-dual-shell structure and heterojunction Co3O4@NiCo2O4 accelerating polysulfides conversion for all-solid-state lithium sulfur batteries","authors":"Wenhao Tang, Shiyan Deng, Youlan Zou, Huiyao Li, Shuang Deng, Zengsheng Ma","doi":"10.1016/j.jcis.2025.137590","DOIUrl":"10.1016/j.jcis.2025.137590","url":null,"abstract":"<div><div>All-solid-state lithium sulfur batteries (ASSLSBs) hold significant promise in the application of high energy density batteries, yet they suffer from poor ionic conductivity, low Li<sup>+</sup> transference number and unsatisfactory lithium polysulfides (LiPSs) conversion. In this paper, porous-dual-shell structure and heterojunction Co<sub>3</sub>O<sub>4</sub>@NiCo<sub>2</sub>O<sub>4</sub> is prepared and composited with polyethylene oxide (PEO)-based solid polymer electrolytes (SPEs) to address these problems. The superimposed electric field for Co<sub>3</sub>O<sub>4</sub>@NiCo<sub>2</sub>O<sub>4</sub> composed of the heterointerfaces -build-in electric field and the surface oxygen-rich vacancies-build-in electric field facilitates the dissociation of Li salts, thus improving the ionic conductivity. It exhibits high ionic conductivity of 1.04 × 10<sup>−3</sup> S/cm and Li<sup>+</sup> transference number of 0.48 at 60 °C. Besides, the incorporation of Co<sub>3</sub>O<sub>4</sub>@NiCo<sub>2</sub>O<sub>4</sub> heterojunction enables fast LiPSs conversion and improves the electrochemical kinetics. The Li//Li cell can work stably for 1100 h at 0.1 mA/cm<sup>2</sup>. The Li//S cell provides an initial capacity of 1170 mA h/g, a reversible capacity of 620.1mA h/g after 100 cycles and 308.3 mA h/g after 450 cycles at 0.2 C.</div></div>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"693 ","pages":"Article 137590"},"PeriodicalIF":9.4,"publicationDate":"2025-04-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143833945","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2025-04-12DOI: 10.1016/j.jcis.2025.137587
Keyi Chen , Quan Zong , Xuelian Liu , Haoran Yuan , Qilong Zhang , Huiwei Du , Guozhong Cao
Vanadium-based compounds suffer from the poor intrinsic conductivity, unstable structure, and sluggish reaction kinetics as the cathode materials for aqueous zinc ion batteries. In this work, conductive polymer (polypyrrole, PPy) coating/pre-intercalation is proposed to achieve stable and reversible Zn2+ storage in ammonium vanadates (NH4V4O10, NVO). The PPy coating on the surface of the NVO nanobelts effectively suppresses material dissolution, and promotes the desolvation of hydrated zinc ions at the interface. The intercalated PPy within the layered structure expands the interlayer spacing, induces the formation of oxygen vacancies, and increases the electronic conductivity, thus accelerating zinc ion diffusion and electron transport kinetics. Benefiting from simultaneous optimization of the surface and interlayer structure, the PPy-NVO electrode demonstrates outstanding electrochemical properties, delivering a high discharge capacity of 455mAh g−1 at 0.1 A g−1 and 250mAh g−1 at 5 A g−1, maintaining 89 % of its initial capacity after 2500 cycles at 4 A g−1. Ex situ characterization techniques demonstrate the reversible Zn ions insertion/extraction storage mechanism in the PPy-NVO cathode.
{"title":"Surface- and interlayer-modified ammonium vanadate cathode for high-performance aqueous Zn-ion batteries","authors":"Keyi Chen , Quan Zong , Xuelian Liu , Haoran Yuan , Qilong Zhang , Huiwei Du , Guozhong Cao","doi":"10.1016/j.jcis.2025.137587","DOIUrl":"10.1016/j.jcis.2025.137587","url":null,"abstract":"<div><div>Vanadium-based compounds suffer from the poor intrinsic conductivity, unstable structure, and sluggish reaction kinetics as the cathode materials for aqueous zinc ion batteries. In this work, conductive polymer (polypyrrole, PPy) coating/pre-intercalation is proposed to achieve stable and reversible Zn<sup>2+</sup> storage in ammonium vanadates (NH<sub>4</sub>V<sub>4</sub>O<sub>10</sub>, NVO). The PPy coating on the surface of the NVO nanobelts effectively suppresses material dissolution, and promotes the desolvation of hydrated zinc ions at the interface. The intercalated PPy within the layered structure expands the interlayer spacing, induces the formation of oxygen vacancies, and increases the electronic conductivity, thus accelerating zinc ion diffusion and electron transport kinetics. Benefiting from simultaneous optimization of the surface and interlayer structure, the PPy-NVO electrode demonstrates outstanding electrochemical properties, delivering a high discharge capacity of 455mAh g<sup>−1</sup> at 0.1 A g<sup>−1</sup> and 250mAh g<sup>−1</sup> at 5 A g<sup>−1</sup>, maintaining 89 % of its initial capacity after 2500 cycles at 4 A g<sup>−1</sup>. <em>Ex</em> situ characterization techniques demonstrate the reversible Zn ions insertion/extraction storage mechanism in the PPy-NVO cathode.</div></div>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"693 ","pages":"Article 137587"},"PeriodicalIF":9.4,"publicationDate":"2025-04-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143829671","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Electrochromic smart windows (ESWs) possess the capability to markedly decrease energy usage in buildings by actively regulating solar radiation, thereby aiding in the advancement of sustainable architecture. Throughout the cyclical processes of coloring and bleaching, these windows demonstrate a one-way energy consumption pattern, allowing them to operate as energy storage systems that can supply power to a range of electrical devices. Consequently, there is a strong impetus to merge solar radiation modulation with energy recovery, resulting in next-generation smart windows that are not only more efficient in energy conservation but also enhance overall performance and sustainability. In this context, we introduced a hyperbranched electroactive polyamide that offers advantageous processability along with dual-band solar modulation capabilities. When paired with a zinc frame counter electrode, we developed an innovative smart window supercapacitor (SWSC) that demonstrates remarkable electrochromic properties (ΔT > 59.51 % and optical bistability) and commendable energy storage characteristics (voltage range of 2.4 V and specific capacitance of 85.76 mF/cm2). Energy simulations indicated that employing the SWSC to manage the indoor climate resulted in an average annual energy savings of 339.05 MJ/m2, which represents approximately 19.00 % of the building’s total energy usage. Furthermore, over 73.00 % of the electrical energy required for the color transition in the SWSC can be reclaimed through a sophisticated convertible circuit to power small household appliances.
{"title":"Electrochromic smart window supercapacitor based on a hyperbranched electroactive polyamide for sustainable buildings","authors":"Yunfei Xie , Meini Li , Junru Chen, Ningzhi Cao, Gaorui Gu, Xincai Liu, Danming Chao","doi":"10.1016/j.jcis.2025.137592","DOIUrl":"10.1016/j.jcis.2025.137592","url":null,"abstract":"<div><div>Electrochromic smart windows (ESWs) possess the capability to markedly decrease energy usage in buildings by actively regulating solar radiation, thereby aiding in the advancement of sustainable architecture. Throughout the cyclical processes of coloring and bleaching, these windows demonstrate a one-way energy consumption pattern, allowing them to operate as energy storage systems that can supply power to a range of electrical devices. Consequently, there is a strong impetus to merge solar radiation modulation with energy recovery, resulting in next-generation smart windows that are not only more efficient in energy conservation but also enhance overall performance and sustainability. In this context, we introduced a hyperbranched electroactive polyamide that offers advantageous processability along with dual-band solar modulation capabilities. When paired with a zinc frame counter electrode, we developed an innovative smart window supercapacitor (SWSC) that demonstrates remarkable electrochromic properties (ΔT > 59.51 % and optical bistability) and commendable energy storage characteristics (voltage range of 2.4 V and specific capacitance of 85.76 mF/cm<sup>2</sup>). Energy simulations indicated that employing the SWSC to manage the indoor climate resulted in an average annual energy savings of 339.05 MJ/m<sup>2</sup>, which represents approximately 19.00 % of the building’s total energy usage. Furthermore, over 73.00 % of the electrical energy required for the color transition in the SWSC can be reclaimed through a sophisticated convertible circuit to power small household appliances.</div></div>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"693 ","pages":"Article 137592"},"PeriodicalIF":9.4,"publicationDate":"2025-04-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143825571","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2025-04-12DOI: 10.1016/j.jcis.2025.137586
Dongxia Li , Lingli Liu , Xuan Song , Qiong Lin , Yuxin Xue , Xiangfeng Sun , Chongxian Luo , Xuefeng Gui , Kai Xu
Lithium metal batteries (LMBs) offer a high theoretical capacity and low electrochemical potential. However, the uncontrolled growth of lithium dendrites and ongoing side reactions during cycling can lead to premature battery failure and increase the risk of thermal runway severely limiting their practical applications. In this work, we designed a multilayer separator composed of methanol-intercalated Li-Al hydrotalcite-like nanosheets with expanded layer spacing, sandwiched between electrochemically stable PVDF-HFP nanofiber membranes. This sandwiched configuration endowed the trilayer separator with exceptional thermal stability, mechanical strength, and electrolyte wettability. Furthermore, the Li-Al hydrotalcite-like nanosheets provided abundant active sites that acted as Lewis acids, interacting with the lithium salt anions to reduce the Li+ ions diffusion barrier, while the expanded interlayer spacing facilitated rapid ion transport. This improvement promoted the uniform Li+ deposition and effectively suppressed the lithium dendrites growth. As a result, the multilayer separator demonstrated an exceptional Li+ transference number (0.89) and high ionic conductivity (1.20 mS cm−1). Notably, the Li symmetric cell employing the trilayer separator exhibited stable cycling for over 2800 h with significantly low voltage polarization (200 mV) at 10 mA cm−2. Moreover, the Li||LiFePO4 cell equipped with the trilayer separator maintained stable cycling for over 1000 cycles at 2C with a capacity retention of 91.6 %. This work provides new insights into designing functional separators with hierarchical porous channels aimed at extending the cycle life of LMBs.
{"title":"Multilayer Separator-Driven interface stabilization and dendrite suppression for Long-Cycling lithium metal batteries","authors":"Dongxia Li , Lingli Liu , Xuan Song , Qiong Lin , Yuxin Xue , Xiangfeng Sun , Chongxian Luo , Xuefeng Gui , Kai Xu","doi":"10.1016/j.jcis.2025.137586","DOIUrl":"10.1016/j.jcis.2025.137586","url":null,"abstract":"<div><div>Lithium metal batteries (LMBs) offer a high theoretical capacity and low electrochemical potential. However, the uncontrolled growth of lithium dendrites and ongoing side reactions during cycling can lead to premature battery failure and increase the risk of thermal runway severely limiting their practical applications. In this work, we designed a multilayer separator composed of methanol-intercalated Li-Al hydrotalcite-like nanosheets with expanded layer spacing, sandwiched between electrochemically stable PVDF-HFP nanofiber membranes. This sandwiched configuration endowed the trilayer separator with exceptional thermal stability, mechanical strength, and electrolyte wettability. Furthermore, the Li-Al hydrotalcite-like nanosheets provided abundant active sites that acted as Lewis acids, interacting with the lithium salt anions to reduce the Li<sup>+</sup> ions diffusion barrier, while the expanded interlayer spacing facilitated rapid ion transport. This improvement promoted the uniform Li<sup>+</sup> deposition and effectively suppressed the lithium dendrites growth. As a result, the multilayer separator demonstrated an exceptional Li<sup>+</sup> transference number (0.89) and high ionic conductivity (1.20 mS cm<sup>−1</sup>). Notably, the Li symmetric cell employing the trilayer separator exhibited stable cycling for over 2800 h with significantly low voltage polarization (200 mV) at 10 mA cm<sup>−2</sup>. Moreover, the Li||LiFePO<sub>4</sub> cell equipped with the trilayer separator maintained stable cycling for over 1000 cycles at 2C with a capacity retention of 91.6 %. This work provides new insights into designing functional separators with hierarchical porous channels aimed at extending the cycle life of LMBs.</div></div>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"693 ","pages":"Article 137586"},"PeriodicalIF":9.4,"publicationDate":"2025-04-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143838671","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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