Pub Date : 2026-01-31DOI: 10.1016/j.nxmate.2026.101686
Ahmad Dehghanzadeh , Fatemeh Ahour , Esmaeil Habibi
The rational design of highly active and sustainable electrode materials is crucial for next-generation electrochemical monitoring systems. Herein, nitrogen-doped graphene quantum dots (N-GQDs) are introduced as an efficient sensing nanointerface for ultrasensitive Cu²⁺ detection. The N-GQDs were synthesized via a green, one-pot hydrothermal method and electrochemically deposited onto a glassy carbon electrode, ensuring strong interfacial coupling. Nitrogen doping modulates the graphene electronic structure, generating Lewis-basic sites that enhance Cu²⁺ adsorption and interfacial electron transfer. The stripping current of Cu²⁺ was evaluated using differential pulse anodic stripping voltammetry (DPASV) following electrochemical preconcentration. Under optimized conditions, the sensor exhibits high sensitivity with a low detection limit of 0.3 pM and a wide linear range from 1 pM to 10 μM. Excellent selectivity, stability, and reproducibility were achieved, and successful analysis of tap and river water samples with satisfactory recoveries confirms the practical applicability of the proposed platform for environmental monitoring. This study highlights N-GQDs as a scalable, sustainable, and functionally tunable electrode modifier for advanced electrochemical sensing applications.
{"title":"Nitrogen-doped graphene quantum dots for ultrasensitive electrochemical detection of Cu²⁺ ions","authors":"Ahmad Dehghanzadeh , Fatemeh Ahour , Esmaeil Habibi","doi":"10.1016/j.nxmate.2026.101686","DOIUrl":"10.1016/j.nxmate.2026.101686","url":null,"abstract":"<div><div>The rational design of highly active and sustainable electrode materials is crucial for next-generation electrochemical monitoring systems. Herein, nitrogen-doped graphene quantum dots (N-GQDs) are introduced as an efficient sensing nanointerface for ultrasensitive Cu²⁺ detection. The N-GQDs were synthesized via a green, one-pot hydrothermal method and electrochemically deposited onto a glassy carbon electrode, ensuring strong interfacial coupling. Nitrogen doping modulates the graphene electronic structure, generating Lewis-basic sites that enhance Cu²⁺ adsorption and interfacial electron transfer. The stripping current of Cu²⁺ was evaluated using differential pulse anodic stripping voltammetry (DPASV) following electrochemical preconcentration. Under optimized conditions, the sensor exhibits high sensitivity with a low detection limit of 0.3 pM and a wide linear range from 1 pM to 10 μM. Excellent selectivity, stability, and reproducibility were achieved, and successful analysis of tap and river water samples with satisfactory recoveries confirms the practical applicability of the proposed platform for environmental monitoring. This study highlights N-GQDs as a scalable, sustainable, and functionally tunable electrode modifier for advanced electrochemical sensing applications.</div></div>","PeriodicalId":100958,"journal":{"name":"Next Materials","volume":"11 ","pages":"Article 101686"},"PeriodicalIF":0.0,"publicationDate":"2026-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146079125","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2026-01-31DOI: 10.1016/j.nxmate.2026.101672
Monark Bhatt , Miraj Patel , Sonal Thakore
The development of sustainable and efficient adsorbents for wastewater treatment is of great importance in addressing environmental pollution caused by synthetic dyes. In this study, a porous organic polymer (BMQ) was synthesized via crosslinking of β-cyclodextrin (β-CD) with the natural polyphenol, quercetin. The BMQ polymer was characterized by solid state NMR, PXRD, FT-IR, BET, SEM and TGA, which confirmed the formation of a porous, multifunctional framework with abundant active sites. Batch adsorption experiments revealed that BMQ exhibits remarkable selectivity toward cationic dyes, achieving > 95 % adsorption of crystal violet (CV) and rhodamine B (RhB), while depicting < 5 % adsorption for Alizarin Red S (ARS) and < 23.6 % for Fast Sulphon Black F (FSB) under optimized conditions. Adsorption equilibrium data were best described by the Langmuir isotherm, yielding maximum adsorption capacities (Qmax) of 234.08 mg/g and 255.02 mg/g at 323 K for CV and RhB, respectively. Kinetic studies indicated that the pseudo-second-order (PSO) model provided the best fit. Thermodynamic analyses confirmed that the adsorption process is endothermic and spontaneous. Furthermore, BMQ demonstrated excellent recyclability, retaining high adsorption efficiency (>81.5 %) over five successive cycles. These findings highlight the potential of BMQ as a robust, high-capacity, and reusable adsorbent for the efficient removal of toxic cationic dyes from contaminated water, contributing to sustainable water purification strategies.
开发可持续高效的废水处理吸附剂对解决合成染料对环境的污染具有重要意义。本研究通过β-环糊精（β-CD）与天然多酚槲皮素交联，合成了多孔有机聚合物（BMQ）。采用固体NMR、PXRD、FT-IR、BET、SEM和TGA等手段对BMQ聚合物进行了表征，证实了BMQ聚合物形成了具有丰富活性位点的多孔多功能骨架。批量吸附实验表明，BMQ对阳离子染料具有显著的选择性，对结晶紫（CV）和罗丹明B （RhB）的吸附率为>； 95 %，对Alizarin Red S （ARS）的吸附率为<； 5 %，对Fast sulon Black F （FSB）的吸附率为<； 23.6 %。Langmuir等温线可以很好地描述吸附平衡数据，在323 K下，CV和RhB的最大吸附量（Qmax）分别为234.08 mg/g和255.02 mg/g。动力学研究表明，伪二阶（PSO）模型拟合效果最好。热力学分析证实吸附过程是吸热自发的。此外，BMQ表现出优异的可回收性，在连续五次循环中保持较高的吸附效率（>81.5 %）。这些发现强调了BMQ作为一种强大的、高容量的、可重复使用的吸附剂的潜力，可以有效地去除污染水中的有毒阳离子染料，为可持续的水净化策略做出贡献。
{"title":"Sustainable β-cyclodextrin functionalized porous adsorbent for the selective elimination of cationic dyes from wastewater","authors":"Monark Bhatt , Miraj Patel , Sonal Thakore","doi":"10.1016/j.nxmate.2026.101672","DOIUrl":"10.1016/j.nxmate.2026.101672","url":null,"abstract":"<div><div>The development of sustainable and efficient adsorbents for wastewater treatment is of great importance in addressing environmental pollution caused by synthetic dyes. In this study, a porous organic polymer (BMQ) was synthesized via crosslinking of β-cyclodextrin (β-CD) with the natural polyphenol, quercetin. The BMQ polymer was characterized by solid state NMR, PXRD, FT-IR, BET, SEM and TGA, which confirmed the formation of a porous, multifunctional framework with abundant active sites. Batch adsorption experiments revealed that BMQ exhibits remarkable selectivity toward cationic dyes, achieving > 95 % adsorption of crystal violet (CV) and rhodamine B (RhB), while depicting < 5 % adsorption for Alizarin Red S (ARS) and < 23.6 % for Fast Sulphon Black F (FSB) under optimized conditions. Adsorption equilibrium data were best described by the Langmuir isotherm, yielding maximum adsorption capacities (Q<sub>max</sub>) of 234.08 mg/g and 255.02 mg/g at 323 K for CV and RhB, respectively. Kinetic studies indicated that the pseudo-second-order (PSO) model provided the best fit. Thermodynamic analyses confirmed that the adsorption process is endothermic and spontaneous. Furthermore, BMQ demonstrated excellent recyclability, retaining high adsorption efficiency (>81.5 %) over five successive cycles. These findings highlight the potential of BMQ as a robust, high-capacity, and reusable adsorbent for the efficient removal of toxic cationic dyes from contaminated water, contributing to sustainable water purification strategies.</div></div>","PeriodicalId":100958,"journal":{"name":"Next Materials","volume":"11 ","pages":"Article 101672"},"PeriodicalIF":0.0,"publicationDate":"2026-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146079124","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2026-01-30DOI: 10.1016/j.nxmate.2026.101676
M. Sabri , Nguyen Thi Bich Ngoc , Utkarsh Kumar , Ade Irwan , Suprianto , Fadly Ahmad Kurniawan Nasution , Muhammad Amir Yusuf Harahap , Muhammad Gilang Husni Lubis , Trung Phan Nghia , Adri Huda , Ha Minh Ngoc , Van-Duong Dao , Le Minh Thang , Reisya Ichwani
The performances and safety of lithium-ion batteries (LIBs) strongly depend on the integrity of the separators, that prevent immediate contact between cathodes and anodes in battery. To enhance the stability of lithium-ion batteries at high-temperature, incorporating inorganic materials such as Al₂O₃ into polymer composites is advisable for separators applications. Here, we fabricated polyvinylidene fluoride (PVDF) composite membranes reinforced with alumina (Al₂O₃) in nanopowder (PVDF/Al₂O₃) and colloidal form (PVDF/c-Al₂O₃) via phase inversion. The results show that colloidal Al₂O₃ particles were evenly distributed within the PVDF membranes compared to the PVDF/Al₂O₃ composites, which led to minimal shrinkage up to 200 °C, high ionic conductivity (4.0 × 10⁻³ S cm⁻¹), and improved mechanical strength. Significant strengthening and the strain rate sensitivity coefficients on mechanical properties of the resulted composites were also determined. Batteries assembled with the PVDF/c-Al₂O₃ composites as separators demonstrated stable capacity retention of 96.8 % after 70 charge-discharge cycles at 0.2 C. These findings suggest that PVDF/c-Al₂O₃ composites are promising thermally and mechanically durable separators for advanced lithium-ion battery applications.
锂离子电池（lib）的性能和安全性在很大程度上取决于隔膜的完整性，它可以防止电池中阴极和阳极之间的直接接触。为了提高锂离子电池在高温下的稳定性，最好在聚合物复合材料中加入Al₂O₃等无机材料。在这里，我们通过相转化制备了纳米粉末（PVDF/Al₂O₃）和胶体形式（PVDF/c-Al₂O₃）的氧化铝（Al₂O₃）增强的聚偏氟乙烯（PVDF）复合膜。结果表明，与PVDF/Al₂O₃复合材料相比，胶体Al₂O₃颗粒均匀地分布在PVDF膜内，这导致最小的收缩达到200 °C，高离子电导率（4.0 × 10⁻³S cm），并且提高了机械强度。实验还确定了复合材料的显著强化和应变率对力学性能的敏感系数。用PVDF/ C - al₂O₃复合材料作为隔膜组装的电池在0.2 ℃下进行70次充放电循环后，容量保持率稳定在96.8% %。这些发现表明，PVDF/c-Al₂O₃复合材料是先进锂离子电池应用中有前途的热耐用和机械耐用的分离器。
{"title":"PVDF composites reinforced by dispersed Al2O3 particles for thermally and mechanically stable separators in lithium-ion battery","authors":"M. Sabri , Nguyen Thi Bich Ngoc , Utkarsh Kumar , Ade Irwan , Suprianto , Fadly Ahmad Kurniawan Nasution , Muhammad Amir Yusuf Harahap , Muhammad Gilang Husni Lubis , Trung Phan Nghia , Adri Huda , Ha Minh Ngoc , Van-Duong Dao , Le Minh Thang , Reisya Ichwani","doi":"10.1016/j.nxmate.2026.101676","DOIUrl":"10.1016/j.nxmate.2026.101676","url":null,"abstract":"<div><div>The performances and safety of lithium-ion batteries (LIBs) strongly depend on the integrity of the separators, that prevent immediate contact between cathodes and anodes in battery. To enhance the stability of lithium-ion batteries at high-temperature, incorporating inorganic materials such as Al₂O₃ into polymer composites is advisable for separators applications. Here, we fabricated polyvinylidene fluoride (PVDF) composite membranes reinforced with alumina (Al₂O₃) in nanopowder (PVDF/Al₂O₃) and colloidal form (PVDF/<em>c-</em>Al₂O₃) via phase inversion. The results show that colloidal Al₂O₃ particles were evenly distributed within the PVDF membranes compared to the PVDF/Al₂O₃ composites, which led to minimal shrinkage up to 200 °C, high ionic conductivity (4.0 × 10⁻³ S cm⁻¹), and improved mechanical strength. Significant strengthening and the strain rate sensitivity coefficients on mechanical properties of the resulted composites were also determined. Batteries assembled with the PVDF/<em>c-</em>Al₂O₃ composites as separators demonstrated stable capacity retention of 96.8 % after 70 charge-discharge cycles at 0.2 C. These findings suggest that PVDF/<em>c-</em>Al₂O₃ composites are promising thermally and mechanically durable separators for advanced lithium-ion battery applications.</div></div>","PeriodicalId":100958,"journal":{"name":"Next Materials","volume":"11 ","pages":"Article 101676"},"PeriodicalIF":0.0,"publicationDate":"2026-01-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146079127","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2026-01-30DOI: 10.1016/j.nxmate.2026.101612
Anna Pantelia , Tània Pèlachs , Clara Sabrià , Carles Fuertes-Espinosa , Leandros P. Zorba , Georgios Rotas , Ferran Feixas , Xavi Ribas , Georgios C. Vougioukalakis
Fullerene multi-adducts have drawn significant research interest due to their remarkable properties, which often surpass those of mono-adducts across various applications. However, achieving regioselective synthesis of these multi-adducts remains challenging. Notably, the regioselective multi-functionalization of a malonate cyclopropane fullerene monoadduct has already been demonstrated, yielding a single tetra-addition pattern through a supramolecular mask strategy. In this study, we explore how the nature of the existing functional groups influences the Bingel multi-addition reaction of diethyl bromomalonate on different mono-functionalized fullerenes. To investigate this, we synthesized fullerene derivatives bearing either long, flexible chains, or a rigid dibenzodioxin moiety via the corresponding Diels–Alder reaction of o-dibromomethyl arenes with C60. These derivatives were then encapsulated within a supramolecular cage and subjected to multi-functionalization conditions. We monitored the reaction’s progress and final products using high-resolution mass spectrometry (HRMS), UV-Vis, and 1H-NMR spectroscopy. These studies show that derivatives bearing different initial functionalities exhibit distinct multi-functionalization outcomes. We provide a detailed rationalization of the experimental observations.
{"title":"Multi-addition on nano-encapsulated fullerene derivatives bearing one functional group: Impact of the initial moiety","authors":"Anna Pantelia , Tània Pèlachs , Clara Sabrià , Carles Fuertes-Espinosa , Leandros P. Zorba , Georgios Rotas , Ferran Feixas , Xavi Ribas , Georgios C. Vougioukalakis","doi":"10.1016/j.nxmate.2026.101612","DOIUrl":"10.1016/j.nxmate.2026.101612","url":null,"abstract":"<div><div>Fullerene multi-adducts have drawn significant research interest due to their remarkable properties, which often surpass those of mono-adducts across various applications. However, achieving regioselective synthesis of these multi-adducts remains challenging. Notably, the regioselective multi-functionalization of a malonate cyclopropane fullerene monoadduct has already been demonstrated, yielding a single tetra-addition pattern through a supramolecular mask strategy. In this study, we explore how the nature of the existing functional groups influences the Bingel multi-addition reaction of diethyl bromomalonate on different mono-functionalized fullerenes. To investigate this, we synthesized fullerene derivatives bearing either long, flexible chains, or a rigid dibenzodioxin moiety via the corresponding Diels–Alder reaction of <em>o</em>-dibromomethyl arenes with C<sub>60</sub>. These derivatives were then encapsulated within a supramolecular cage and subjected to multi-functionalization conditions. We monitored the reaction’s progress and final products using high-resolution mass spectrometry (HRMS), UV-Vis, and <sup>1</sup>H-NMR spectroscopy. These studies show that derivatives bearing different initial functionalities exhibit distinct multi-functionalization outcomes. We provide a detailed rationalization of the experimental observations.</div></div>","PeriodicalId":100958,"journal":{"name":"Next Materials","volume":"11 ","pages":"Article 101612"},"PeriodicalIF":0.0,"publicationDate":"2026-01-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146079230","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2026-01-30DOI: 10.1016/j.nxmate.2026.101661
Saidul Haque, Md. Masud Khan, Md. Sarowar Jahan, Abdul Ahad, Tasnim Alam Sayedi, Md. Irfan Khan, Tasratur Reaj Neha
Rare earth (RE) doping become an effective strategy for enhancing the multifunctional properties of TiO₂ thin films, making them highly suitable for diverse advanced applications. This review explores how different RE dopants, including Cerium (Ce), Europium (Eu), Neodymium (Nd), Lanthanum (La), Erbium (Er), Lutetium (Lu), Yttrium (Y), and Terbium (Tb), affect the optical, structural, photocatalytic, morphological, and electrical behaviors of TiO₂ thin film. At lower doping concentrations and moderate annealing temperatures, TiO₂ typically maintains its anatase phase. However, specific dopants and higher concentrations can lead to phase transitions or a reduction in crystalline size. RE doping enhances photocatalytic activity by narrowing the band gap, improving charge separation, and increasing surface reactivity. Additionally, dopants influence the film's morphology, promoting porosity, refined grain sizes, and the formation of surface defects. The electrical and magnetic properties of TiO₂ thin films are also significantly modified, with improvements in conductivity, dielectric performance, and ferromagnetic behavior attributed to defect engineering and orbital interactions. RE doping is a powerful strategy for modifying the optical landscape of TiO₂ thin films, unlocking new functionalities through atomic-scale modifications. In this review, we discuss how specific dopants affect optical transmittance, shifts in the absorption edge, and the evolution of the band gap through systematic UV-Vis analysis. For instance, dopants like Eu and Lu significantly enhance optical transparency by reducing light scattering and utilizing Burstein–Moss-driven band filling, while Yb and Er lower the band gap, improving visible-light absorption through defect-mediated electronic restructuring. These dopant-induced phenomena not only redefine photon–semiconductor interactions but also establish design principles for next-generation optoelectronic and photocatalytic, spintronic, and sensing platforms based on TiO₂.
{"title":"Rare earth doped TiO2 thin film: A review on structural, optical, photocatalytic, magnetic, and electrical properties","authors":"Saidul Haque, Md. Masud Khan, Md. Sarowar Jahan, Abdul Ahad, Tasnim Alam Sayedi, Md. Irfan Khan, Tasratur Reaj Neha","doi":"10.1016/j.nxmate.2026.101661","DOIUrl":"10.1016/j.nxmate.2026.101661","url":null,"abstract":"<div><div>Rare earth (RE) doping become an effective strategy for enhancing the multifunctional properties of TiO₂ thin films, making them highly suitable for diverse advanced applications. This review explores how different RE dopants, including Cerium (Ce), Europium (Eu), Neodymium (Nd), Lanthanum (La), Erbium (Er), Lutetium (Lu), Yttrium (Y), and Terbium (Tb), affect the optical, structural, photocatalytic, morphological, and electrical behaviors of TiO₂ thin film. At lower doping concentrations and moderate annealing temperatures, TiO₂ typically maintains its anatase phase. However, specific dopants and higher concentrations can lead to phase transitions or a reduction in crystalline size. RE doping enhances photocatalytic activity by narrowing the band gap, improving charge separation, and increasing surface reactivity. Additionally, dopants influence the film's morphology, promoting porosity, refined grain sizes, and the formation of surface defects. The electrical and magnetic properties of TiO₂ thin films are also significantly modified, with improvements in conductivity, dielectric performance, and ferromagnetic behavior attributed to defect engineering and orbital interactions. RE doping is a powerful strategy for modifying the optical landscape of TiO₂ thin films, unlocking new functionalities through atomic-scale modifications. In this review, we discuss how specific dopants affect optical transmittance, shifts in the absorption edge, and the evolution of the band gap through systematic UV-Vis analysis. For instance, dopants like Eu and Lu significantly enhance optical transparency by reducing light scattering and utilizing Burstein–Moss-driven band filling, while Yb and Er lower the band gap, improving visible-light absorption through defect-mediated electronic restructuring. These dopant-induced phenomena not only redefine photon–semiconductor interactions but also establish design principles for next-generation optoelectronic and photocatalytic, spintronic, and sensing platforms based on TiO₂.</div></div>","PeriodicalId":100958,"journal":{"name":"Next Materials","volume":"11 ","pages":"Article 101661"},"PeriodicalIF":0.0,"publicationDate":"2026-01-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146079116","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2026-01-30DOI: 10.1016/j.nxmate.2026.101648
Sodiq Abiodun Kareem , Olajesu Favor Olanrewaju , Justus Uchenna Anaele , Samuel Olumide Falana , Michael Oluwatosin Bodunrin
Utilizing ether-based electrolytes presents a viable approach for addressing the enduring challenges linked to lithium-metal batteries (LMBs), especially concerning solid-electrolyte interphase (SEI) stabilization and enhancement. By employing a comprehensive methodology involving detailed analysis of SEI formation kinetics, strategic modifications to the anode, and customized electrolyte compositions, we can unlock improved stability, ionic conductivity, and overall superior performance of LMBs. Using in-situ characterization methodologies such as x-ray photoelectron spectroscopy (XPS) is critical for comprehending the complex interplay between electrolyte composition, SEI characteristics, and their consequent effects on the behavior of the full cell. The investigation into innovative surface pre-treatments and electrolyte additives, along with a thorough assessment of their interactions, facilitates the systematic design of SEI layers that enable efficient and reversible lithium cycling. Additionally, thoroughly examining ether-based electrolytes in full-cell configurations, incorporating varied cathode materials and operational parameters is imperative for confirming their long-term cycling stability, safety, efficient charge/discharge processes, and compatibility with high-voltage systems. By amalgamating these research avenues, substantial progress is envisaged in the advancement of next-generation lithium-metal batteries characterized by high energy density, prolonged lifespan, and enhanced safety, thus paving the way for their widespread integration in a myriad of applications spanning from portable electronics to electric automobiles and high charging/discharging energy storage systems. The ongoing exploration of ether-based electrolytes, in conjunction with innovative SEI engineering tactics, signifies a critical stride towards realizing the full potential of this promising energy storage technology.
{"title":"Ether-based electrolytes for next-generation metal batteries: A nascent frontier in high-energy storage — A review","authors":"Sodiq Abiodun Kareem , Olajesu Favor Olanrewaju , Justus Uchenna Anaele , Samuel Olumide Falana , Michael Oluwatosin Bodunrin","doi":"10.1016/j.nxmate.2026.101648","DOIUrl":"10.1016/j.nxmate.2026.101648","url":null,"abstract":"<div><div>Utilizing ether-based electrolytes presents a viable approach for addressing the enduring challenges linked to lithium-metal batteries (LMBs), especially concerning solid-electrolyte interphase (SEI) stabilization and enhancement. By employing a comprehensive methodology involving detailed analysis of SEI formation kinetics, strategic modifications to the anode, and customized electrolyte compositions, we can unlock improved stability, ionic conductivity, and overall superior performance of LMBs. Using in-situ characterization methodologies such as x-ray photoelectron spectroscopy (XPS) is critical for comprehending the complex interplay between electrolyte composition, SEI characteristics, and their consequent effects on the behavior of the full cell. The investigation into innovative surface pre-treatments and electrolyte additives, along with a thorough assessment of their interactions, facilitates the systematic design of SEI layers that enable efficient and reversible lithium cycling. Additionally, thoroughly examining ether-based electrolytes in full-cell configurations, incorporating varied cathode materials and operational parameters is imperative for confirming their long-term cycling stability, safety, efficient charge/discharge processes, and compatibility with high-voltage systems. By amalgamating these research avenues, substantial progress is envisaged in the advancement of next-generation lithium-metal batteries characterized by high energy density, prolonged lifespan, and enhanced safety, thus paving the way for their widespread integration in a myriad of applications spanning from portable electronics to electric automobiles and high charging/discharging energy storage systems. The ongoing exploration of ether-based electrolytes, in conjunction with innovative SEI engineering tactics, signifies a critical stride towards realizing the full potential of this promising energy storage technology.</div></div>","PeriodicalId":100958,"journal":{"name":"Next Materials","volume":"11 ","pages":"Article 101648"},"PeriodicalIF":0.0,"publicationDate":"2026-01-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146079117","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2026-01-30DOI: 10.1016/j.nxmate.2026.101673
Pujita Bhatt , Prince Jain , Anand Joshi
A tunable absorber is proposed using a periodic cross-diamond (PCD) resonator array integrated with vanadium dioxide (VO2) for terahertz applications. Electromagnetic simulations shows absorption peaks at 2.83 THz and 8.28 THz, with a full-width at half-maximum of 7.43 THz, corresponding to a relative absorption bandwidth of 126.7%. The absorption mechanism is analyzed through magnetic and electric field distributions along with parametric analyses are conducted to assess the effect on the absorber’s performance. To improve design optimization and reduce computational cost, regression-based machine learning (ML) models K-Nearest Neighbors, XGBoost, and Random Forest are employed to predict absorptivity across intermediate frequencies. The KNN model achieves excellent performance with an R2 of 0.9997 and an MAE of 0.0002, reducing the required CST simulations by nearly 50 % and significantly accelerating the EM design process for terahertz applications.
{"title":"Design and machine learning driven optimization of tunable periodic cross-diamond terahertz metamaterial absorber","authors":"Pujita Bhatt , Prince Jain , Anand Joshi","doi":"10.1016/j.nxmate.2026.101673","DOIUrl":"10.1016/j.nxmate.2026.101673","url":null,"abstract":"<div><div>A tunable absorber is proposed using a periodic cross-diamond (PCD) resonator array integrated with vanadium dioxide (VO<sub>2</sub>) for terahertz applications. Electromagnetic simulations shows absorption peaks at 2.83 THz and 8.28 THz, with a full-width at half-maximum of 7.43 THz, corresponding to a relative absorption bandwidth of 126.7%. The absorption mechanism is analyzed through magnetic and electric field distributions along with parametric analyses are conducted to assess the effect on the absorber’s performance. To improve design optimization and reduce computational cost, regression-based machine learning (ML) models K-Nearest Neighbors, XGBoost, and Random Forest are employed to predict absorptivity across intermediate frequencies. The KNN model achieves excellent performance with an R<sup>2</sup> of 0.9997 and an MAE of 0.0002, reducing the required CST simulations by nearly 50 % and significantly accelerating the EM design process for terahertz applications.</div></div>","PeriodicalId":100958,"journal":{"name":"Next Materials","volume":"11 ","pages":"Article 101673"},"PeriodicalIF":0.0,"publicationDate":"2026-01-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146079118","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Rapid and selective determination of lincomycin in complex food matrices is essential for residue monitoring. We present a glassy carbon electrode modified with a molecularly imprinted poly(3,4-ethylenedioxythiophene) (MIP-PEDOT) film, electropolymerized at 10 °C. Fabrication (template/monomer ratio, total monomer level, scan rate, cycle number) and DPV conditions were optimized. The sensor affords a linear response from 0.00195 to 0.50 mM and a limit of detection (LOD) of 0.013 µM. Selectivity tests versus amoxicillin and azithromycin show high selectivity for lincomycin molecule. FTIR confirms the presence of both PEDOT and lincomycin features; SEM documents surface evolution across fabrication steps. Spike–recovery in milk and meat demonstrates practical applicability, with recoveries ∼95–97 % (milk) and ∼92–94 % (meat) and RSD ≤ 9.5 % (n = 10). The MIP-PEDOT/GCE platform combines high selectivity and simple, reagent-lean preparation, supporting its use for rapid screening of lincomycin residues.
{"title":"Voltammetric determination of lincomycin using a molecularly imprinted sensor based on low-temperature electropolymerized poly(3,4-ethylenedioxythiophene)","authors":"Y.A. Perfilova, M.I. Nazyrov, Y.R. Abdullin, N.S. Umutbaev, L.R. Zagitova, R.A. Zilberg","doi":"10.1016/j.nxmate.2026.101671","DOIUrl":"10.1016/j.nxmate.2026.101671","url":null,"abstract":"<div><div>Rapid and selective determination of lincomycin in complex food matrices is essential for residue monitoring. We present a glassy carbon electrode modified with a molecularly imprinted poly(3,4-ethylenedioxythiophene) (MIP-PEDOT) film, electropolymerized at 10 °C. Fabrication (template/monomer ratio, total monomer level, scan rate, cycle number) and DPV conditions were optimized. The sensor affords a linear response from 0.00195 to 0.50 mM and a limit of detection (LOD) of 0.013 µM. Selectivity tests versus amoxicillin and azithromycin show high selectivity for lincomycin molecule. FTIR confirms the presence of both PEDOT and lincomycin features; SEM documents surface evolution across fabrication steps. Spike–recovery in milk and meat demonstrates practical applicability, with recoveries ∼95–97 % (milk) and ∼92–94 % (meat) and RSD ≤ 9.5 % (n = 10). The MIP-PEDOT/GCE platform combines high selectivity and simple, reagent-lean preparation, supporting its use for rapid screening of lincomycin residues.</div></div>","PeriodicalId":100958,"journal":{"name":"Next Materials","volume":"11 ","pages":"Article 101671"},"PeriodicalIF":0.0,"publicationDate":"2026-01-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146079123","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2026-01-30DOI: 10.1016/j.nxmate.2026.101664
Hoang Van Ngoc
Using density functional theory, we examine the electronic, optical, and thermoelectric properties of Fe-decorated ZnO/silicene heterostructures (Fe-decorated ZnO/silicene) and their interactions with CO, H2S, and SO2 molecules. CO and SO2 exhibit strong chemisorption at the Fe sites, whereas H2S adsorption is energetically unfavorable, as reflected by its positive adsorption energy. The pristine heterostructure is magnetic, but gas adsorption reduces the magnetic moment, with the largest suppression induced by H2S. Adsorption also leads to pronounced charge redistribution and substantial modifications in the optical response, including changes in the dielectric function and absorption characteristics. The thermoelectric behavior-particularly the Seebeck coefficient and electrical conductivity-shows notable sensitivity to gas species, with CO inducing the strongest variations. These findings demonstrate that Fe-ZnO/silicene is a promising platform for selective gas detection and spintronic applications.
{"title":"Tailoring the electronic, optical, and thermoelectric response of 2D ZnO/silicene heterostructures via Fe decoration for efficient CO, H2S, and SO2 detection","authors":"Hoang Van Ngoc","doi":"10.1016/j.nxmate.2026.101664","DOIUrl":"10.1016/j.nxmate.2026.101664","url":null,"abstract":"<div><div>Using density functional theory, we examine the electronic, optical, and thermoelectric properties of Fe-decorated ZnO/silicene heterostructures (Fe-decorated ZnO/silicene) and their interactions with CO, H<sub>2</sub>S, and SO<sub>2</sub> molecules. CO and SO<sub>2</sub> exhibit strong chemisorption at the Fe sites, whereas H<sub>2</sub>S adsorption is energetically unfavorable, as reflected by its positive adsorption energy. The pristine heterostructure is magnetic, but gas adsorption reduces the magnetic moment, with the largest suppression induced by H<sub>2</sub>S. Adsorption also leads to pronounced charge redistribution and substantial modifications in the optical response, including changes in the dielectric function and absorption characteristics. The thermoelectric behavior-particularly the Seebeck coefficient and electrical conductivity-shows notable sensitivity to gas species, with CO inducing the strongest variations. These findings demonstrate that Fe-ZnO/silicene is a promising platform for selective gas detection and spintronic applications.</div></div>","PeriodicalId":100958,"journal":{"name":"Next Materials","volume":"11 ","pages":"Article 101664"},"PeriodicalIF":0.0,"publicationDate":"2026-01-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146079120","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2026-01-30DOI: 10.1016/j.nxmate.2026.101669
Poonam V. Bhoir , Tejas S. Patil , Akash N. Ghoti , Satish K. Pardeshi , Rushikesh G. Bobade , Ashokrao B. Patil
Samarium-Gadolinium doped Zinc Oxide (Sm-Gd@ZnO) nanoparticles (NPs) were synthesized using a simple, green, cost-effective method with coconut water as a natural reducing and stabilizing agent. The synthesized NPs were comprehensively characterized using various techniques including, Thermogravimetry-Differential Thermal Analysis (TG-DTA), Fourier Transform Infrared Spectroscopy (FT-IR), X-Ray Diffraction (XRD), Photoluminescence (PL), High-Resolution Transmission Electron Microscopy (HR-TEM), Selected Area Electron Diffraction (SAED), Sanning Electron Microscopy (SEM), Energy-Dispersive X-Ray Spectroscopy (EDAX), X-Ray Photoelectron Spectroscopy (XPS) and UV–visible spectroscopy. XRD pattern confirmed the formation of highly crystalline ZnO with a hexagonal wurtzite structure, while HR-TEM revealed hexagonal and nearly spherical morphology of the NPs with a tendency to form slightly agglomaerated cluster with an average particle size of 25 nm. UV–visible analysis demonstrated enhanced light absorption, and PL spectra indicated reduced charge carrier recombination in co-doped samples. XPS results verified the successful incorporation of Sm and Gd ions into the ZnO lattice in their trivalent oxidation state. BET analysis revealed an increased surface area and N2 adsorption-desorption studies confirmed mesoporous morphology. The synthesized Sm-Gd@ZnO NPs exhibited remarkable photocatalytic performance, achieving 99 % degradation of MB dye under solar irradiation within 4 h. The reusability tests verified an efficiency retention of 94 % after three cycles. Furthermore, they displayed strong antimicrobial activity against Bacillus subtilis, highlighting the synergistic effect of co-doping in ternary NPs (Sm-Gd@ZnO) compared to bare ZnO and binary NPs. This research contributes significantly to the advancement of eco-friendly technologies in environmental remediation and offers effective solutions for mitigating dye pollution from industrial sources.
{"title":"Coconut water-mediated green synthesis of Sm-Gd@ZnO nanoparticles with enhanced photocatalytic and antimicrobial performance","authors":"Poonam V. Bhoir , Tejas S. Patil , Akash N. Ghoti , Satish K. Pardeshi , Rushikesh G. Bobade , Ashokrao B. Patil","doi":"10.1016/j.nxmate.2026.101669","DOIUrl":"10.1016/j.nxmate.2026.101669","url":null,"abstract":"<div><div>Samarium-Gadolinium doped Zinc Oxide (Sm-Gd@ZnO) nanoparticles (NPs) were synthesized using a simple, green, cost-effective method with coconut water as a natural reducing and stabilizing agent. The synthesized NPs were comprehensively characterized using various techniques including, Thermogravimetry-Differential Thermal Analysis (TG-DTA), Fourier Transform Infrared Spectroscopy (FT-IR), X-Ray Diffraction (XRD), Photoluminescence (PL), High-Resolution Transmission Electron Microscopy (HR-TEM), Selected Area Electron Diffraction (SAED), Sanning Electron Microscopy (SEM), Energy-Dispersive X-Ray Spectroscopy (EDAX), X-Ray Photoelectron Spectroscopy (XPS) and UV–visible spectroscopy. XRD pattern confirmed the formation of highly crystalline ZnO with a hexagonal wurtzite structure, while HR-TEM revealed hexagonal and nearly spherical morphology of the NPs with a tendency to form slightly agglomaerated cluster with an average particle size of 25 nm. UV–visible analysis demonstrated enhanced light absorption, and PL spectra indicated reduced charge carrier recombination in co-doped samples. XPS results verified the successful incorporation of Sm and Gd ions into the ZnO lattice in their trivalent oxidation state. BET analysis revealed an increased surface area and N<sub>2</sub> adsorption-desorption studies confirmed mesoporous morphology. The synthesized Sm-Gd@ZnO NPs exhibited remarkable photocatalytic performance, achieving 99 % degradation of MB dye under solar irradiation within 4 h. The reusability tests verified an efficiency retention of 94 % after three cycles. Furthermore, they displayed strong antimicrobial activity against <em>Bacillus subtilis</em>, highlighting the synergistic effect of co-doping in ternary NPs (Sm-Gd@ZnO) compared to bare ZnO and binary NPs. This research contributes significantly to the advancement of eco-friendly technologies in environmental remediation and offers effective solutions for mitigating dye pollution from industrial sources.</div></div>","PeriodicalId":100958,"journal":{"name":"Next Materials","volume":"11 ","pages":"Article 101669"},"PeriodicalIF":0.0,"publicationDate":"2026-01-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146079122","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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