Chemical Physics Impact最新文献

英文中文

Three-step fabrication of TiO2CdS spheres on SiO2 supports for enhanced hydrogen evolution performance

IF 3.8 Q2 CHEMISTRY, PHYSICAL

Chemical Physics Impact

Pub Date : 2025-04-01 DOI: 10.1016/j.chphi.2025.100869

Zhengyou Li, Alexander V. Soldatov, Aslam Hossain

Development of novel, low-cost and efficient electrocatalysts for hydrogen evolution reaction (HER) is crucial for sustainable energy applications. In this study, a SiO₂-supported TiO₂CdS spherical composite is presented as a highly effective catalyst for enhanced hydrogen evolution performance. This composite material was synthesized through a three-step process of materials engineering. XRD analysis revealed reduced SiO₂ peak intensity (25°) while UV–vis data indicate a narrowed bandgap (from 2.63 eV to 2.11 eV) with CdS incorporation, confirming surface modification and visible-light responsiveness. FTIR identified Ti–O–Cd interactions and O–H bending vibrations, while TEM imaging demonstrated uniform SiO₂ spheres (200–250 nm) with dense CdS coverage, corroborating successful hierarchical integration. Finally, electrochemical measurements were performed to evaluate the material's electrocatalytic HER performance. The overpotential exhibited a notable decrease from 793 mV to 264 mV at a current density of 10 mA/cm², demonstrating the improved electrocatalytic efficiency as CdS concentration increased. Furthermore, Tafel slope analysis revealed enhanced hydrogen evolution kinetics, with the slope reducing from 189 to 127 mV/dec as CdS content increased. Electrochemical impedance spectroscopy (EIS) results revealed semicircular Nyquist plots for all samples, with the highest CdS-containing sample showing a smaller semicircle, indicating a substantial reduction in charge transfer resistance.

{"title":"Three-step fabrication of TiO2CdS spheres on SiO2 supports for enhanced hydrogen evolution performance","authors":"Zhengyou Li, Alexander V. Soldatov, Aslam Hossain","doi":"10.1016/j.chphi.2025.100869","DOIUrl":"10.1016/j.chphi.2025.100869","url":null,"abstract":"<div><div>Development of novel, low-cost and efficient electrocatalysts for hydrogen evolution reaction (HER) is crucial for sustainable energy applications. In this study, a SiO<sub>2</sub>-supported TiO<sub>2<img></sub>CdS spherical composite is presented as a highly effective catalyst for enhanced hydrogen evolution performance. This composite material was synthesized through a three-step process of materials engineering. XRD analysis revealed reduced SiO<sub>2</sub> peak intensity (25°) while UV–vis data indicate a narrowed bandgap (from 2.63 eV to 2.11 eV) with CdS incorporation, confirming surface modification and visible-light responsiveness. FTIR identified Ti–O–Cd interactions and O–H bending vibrations, while TEM imaging demonstrated uniform SiO<sub>2</sub> spheres (200–250 nm) with dense CdS coverage, corroborating successful hierarchical integration. Finally, electrochemical measurements were performed to evaluate the material's electrocatalytic HER performance. The overpotential exhibited a notable decrease from 793 mV to 264 mV at a current density of 10 mA/cm², demonstrating the improved electrocatalytic efficiency as CdS concentration increased. Furthermore, Tafel slope analysis revealed enhanced hydrogen evolution kinetics, with the slope reducing from 189 to 127 mV/dec as CdS content increased. Electrochemical impedance spectroscopy (EIS) results revealed semicircular Nyquist plots for all samples, with the highest CdS-containing sample showing a smaller semicircle, indicating a substantial reduction in charge transfer resistance.</div></div>","PeriodicalId":9758,"journal":{"name":"Chemical Physics Impact","volume":"10 ","pages":"Article 100869"},"PeriodicalIF":3.8,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143783588","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Efficiency enhancement of DSSCs based on sol-gel prepared ZnO nanoparticles through cosensitization with natural and synthetic pigments

IF 3.8 Q2 CHEMISTRY, PHYSICAL

Chemical Physics Impact

Pub Date : 2025-03-31 DOI: 10.1016/j.chphi.2025.100868

Vahdat Rafee , Alireza Razeghizadeh , Forough Yazdizadeh , Roohollah Nakhaei

This study explores the effect of co-sensitizing dye-sensitized solar cells (DSSCs) based on ZnO nanoparticles with natural pigments from Nerium (oleander) and Ziziphus jujuba (jujube) fruit peel, alongside the synthetic pigment N719, to enhance efficiency. ZnO nanoparticles were synthesized via the sol-gel method, and five DSSC samples (DS1-DS5) were fabricated using the Doctor Blade technique. These were sensitized with: (1) jujube extract (D1), (2) Nerium extract (D2), (3) N719 (D3), (4) a blend of D1 and D2 (D4), and (5) a co-sensitized mix of D1, D2, and N719 (D5) in a 1:1:2 ratio. Structural and optical properties were characterized using FE-SEM, XRD, and UV–Vis spectroscopy, while photovoltaic performance was evaluated with a solar simulator. Results revealed that DS5, co-sensitized with all three pigments, exhibited the broadest absorption spectrum (200–600 nm) and the highest efficiency (3.28 %), attributed to enhanced light harvesting and electron transfer. The ZnO films showed a uniform, porous structure with an average nanoparticle size of 42.16 nm. This co-sensitization approach, combining low-cost natural dyes with N719, offers an eco-friendly and efficient strategy for improving DSSC performance.

{"title":"Efficiency enhancement of DSSCs based on sol-gel prepared ZnO nanoparticles through cosensitization with natural and synthetic pigments","authors":"Vahdat Rafee , Alireza Razeghizadeh , Forough Yazdizadeh , Roohollah Nakhaei","doi":"10.1016/j.chphi.2025.100868","DOIUrl":"10.1016/j.chphi.2025.100868","url":null,"abstract":"<div><div>This study explores the effect of co-sensitizing dye-sensitized solar cells (DSSCs) based on ZnO nanoparticles with natural pigments from Nerium (oleander) and Ziziphus jujuba (jujube) fruit peel, alongside the synthetic pigment N719, to enhance efficiency. ZnO nanoparticles were synthesized via the sol-gel method, and five DSSC samples (DS1-DS5) were fabricated using the Doctor Blade technique. These were sensitized with: (1) jujube extract (D1), (2) Nerium extract (D2), (3) N719 (D3), (4) a blend of D1 and D2 (D4), and (5) a co-sensitized mix of D1, D2, and N719 (D5) in a 1:1:2 ratio. Structural and optical properties were characterized using FE-SEM, XRD, and UV–Vis spectroscopy, while photovoltaic performance was evaluated with a solar simulator. Results revealed that DS5, co-sensitized with all three pigments, exhibited the broadest absorption spectrum (200–600 nm) and the highest efficiency (3.28 %), attributed to enhanced light harvesting and electron transfer. The ZnO films showed a uniform, porous structure with an average nanoparticle size of 42.16 nm. This co-sensitization approach, combining low-cost natural dyes with N719, offers an eco-friendly and efficient strategy for improving DSSC performance.</div></div>","PeriodicalId":9758,"journal":{"name":"Chemical Physics Impact","volume":"10 ","pages":"Article 100868"},"PeriodicalIF":3.8,"publicationDate":"2025-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143746731","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Red emission in MoO3:Eu3+ nanobelts: Investigation on the photoluminescence quenching mechanism

IF 3.8 Q2 CHEMISTRY, PHYSICAL

Chemical Physics Impact

Pub Date : 2025-03-29 DOI: 10.1016/j.chphi.2025.100867

A V Avani, Chrisma Rose Babu, E I Anila

MoO₃:Eu³⁺ nanobelts were synthesized via the hydrothermal method with varying concentrations of europium doping. The investigation has examined the structural, morphological, optical, and photoluminescence characteristics of MoO₃:Eu³⁺ nanophosphors. The XRD and Raman spectroscopy affirmed the orthorhombic structure of the synthesized nanostructures. FESEM depicts a nanobelt-like morphology and XPS studies confirmed the presence of Eu³⁺. A detailed analysis of the photoluminescence mechanism, concentration quenching, and quantum efficiency is presented in this study. Upon 302 nm excitation, red emission was observed along with concentration quenching effects. The optimized sample with the highest PL intensity (MoO₃:Eu³⁺ 3 mol. %) was annealed at 600 °C for 12 hrs. The PL intensity increased upon annealing, with the corresponding CIE coordinates (0.52, 0.29). The findings highlight the material's potential for use in display technologies and bioimaging phosphors.

引用次数: 0

Improved photocatalytic performance of Ce substituted lanthanum ferrite nanoparticles for the degradation of harmful antibiotic tetracycline from water

IF 3.8 Q2 CHEMISTRY, PHYSICAL

Chemical Physics Impact

Pub Date : 2025-03-19 DOI: 10.1016/j.chphi.2025.100866

S. Adline Benila , V. Anslin Ferby , P. Sakthivel

Antibiotics, a widely used pharmaceutical, directly endanger aquatic environment and human health, when discharged into water bodies from pharmaceutical industries, hospitals and breeding farms. To address this issue, several semiconductor materials are employed as photocatalysts to degrade antibiotics effectively. The present study focuses on the synthesis of Ce-substituted lanthanum ferrites in different compositions [La_1-xCe_xFeO₃ (x = 0.0, 0.1, 0.2, 0.3)] by hydrothermal method for the effective degradation of tetracycline. The structural, morphological, compositional and optical properties of prepared photocatalysts were characterised by X-ray Diffraction, Fourier transform infrared spectroscopy, High-resolution scanning electron microscopy, High-resolution transmission electron microscopy, Energy dispersive X-ray spectroscopy and Ultraviolet diffuse reflectance spectroscopy respectively. XRD validated the orthorhombic crystal structure of nanoparticles in the Pbnmspace groupwith the reduction of average crystallite size from 32.74 to 24.97 nm upon Ce substitution. FTIR verified the presence of the distinctive Fe-O bond. The morphological study also revealed that the materials were porous. The samples were identified as visible-light-driven photocatalysts, with the reduction of optical band gap from 2.24 to 1.88 eV with increasing Ce concentration. The role of visible light exposure on synthesized nanoparticles was studied. Bare lanthanum ferrite degraded only 56 % of tetracycline. However, cerium-substituted lanthanum ferrite nanoparticles have shown maximum degradation of 91 %. The estimated degradation rate constant of La_0.8Ce_0.2FeO₃ was found to be 3 times greater than the bare sample and follows pseudo-first order kinetics.The main active species involved in degradation was identified as superoxide radicals. Reusability studies confirmed the structural chemical stability of the samples over multiple degradation cycles, rendering its usage as efficient photocatalyst in wastewater treatment systems for the degradation of tetracycline.

{"title":"Improved photocatalytic performance of Ce substituted lanthanum ferrite nanoparticles for the degradation of harmful antibiotic tetracycline from water","authors":"S. Adline Benila , V. Anslin Ferby , P. Sakthivel","doi":"10.1016/j.chphi.2025.100866","DOIUrl":"10.1016/j.chphi.2025.100866","url":null,"abstract":"<div><div>Antibiotics, a widely used pharmaceutical, directly endanger aquatic environment and human health, when discharged into water bodies from pharmaceutical industries, hospitals and breeding farms. To address this issue, several semiconductor materials are employed as photocatalysts to degrade antibiotics effectively. The present study focuses on the synthesis of Ce-substituted lanthanum ferrites in different compositions [La<sub>1-x</sub>Ce<sub>x</sub>FeO<sub>3</sub> (<em>x</em> = 0.0, 0.1, 0.2, 0.3)] by hydrothermal method for the effective degradation of tetracycline. The structural, morphological, compositional and optical properties of prepared photocatalysts were characterised by X-ray Diffraction, Fourier transform infrared spectroscopy, High-resolution scanning electron microscopy, High-resolution transmission electron microscopy, Energy dispersive X-ray spectroscopy and Ultraviolet diffuse reflectance spectroscopy respectively. XRD validated the orthorhombic crystal structure of nanoparticles in the <em>Pbnm</em>space groupwith the reduction of average crystallite size from 32.74 to 24.97 nm upon Ce substitution. FTIR verified the presence of the distinctive Fe-O bond. The morphological study also revealed that the materials were porous. The samples were identified as visible-light-driven photocatalysts, with the reduction of optical band gap from 2.24 to 1.88 eV with increasing Ce concentration. The role of visible light exposure on synthesized nanoparticles was studied. Bare lanthanum ferrite degraded only 56 % of tetracycline. However, cerium-substituted lanthanum ferrite nanoparticles have shown maximum degradation of 91 %. The estimated degradation rate constant of La<sub>0.8</sub>Ce<sub>0.2</sub>FeO<sub>3</sub> was found to be 3 times greater than the bare sample and follows pseudo-first order kinetics.The main active species involved in degradation was identified as superoxide radicals. Reusability studies confirmed the structural chemical stability of the samples over multiple degradation cycles, rendering its usage as efficient photocatalyst in wastewater treatment systems for the degradation of tetracycline.</div></div>","PeriodicalId":9758,"journal":{"name":"Chemical Physics Impact","volume":"10 ","pages":"Article 100866"},"PeriodicalIF":3.8,"publicationDate":"2025-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143706494","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Hydrothermally prepared Ag2MoO4 nanoparticles anchored on nitrogen doped rGO for asymmetric supercapacitor application

IF 3.8 Q2 CHEMISTRY, PHYSICAL

Chemical Physics Impact

Pub Date : 2025-03-18 DOI: 10.1016/j.chphi.2025.100863

R. Shejini , V. Sabarinathan , K. Sethuraman , K. Mohanraj , J. Henry , G. Sivakumar

The energy density and the specific capacitance are two important parameters for improving energy storage devices. In this study, we introduce the novel incorporation of nitrogen-doped reduced graphene oxide (NRGO) into Ag₂MoO₄ nanoparticles, for use in asymmetric supercapacitor applications. The synthesized compounds were confirmed and characterized using structural, functional, nitrogen adsorption-desorption, surface, elemental analyses, and electrochemical properties. Here, the AMONRGO composite materials exhibited the pebble stone-like structure of Ag₂MoO₄ on the NRGO surface, observed by FESEM techniques. At 1 Ag^-1, the Ni foam coated with the AMONRGO (II) nanocomposite demonstrates a good C_sp of 648 Fg^-1. It displayed retention of 91 % of its initial capacitance over 5000 charge/discharge cycles. In an asymmetric supercapacitor (ASC) device, the electrodes of AMONRGO (II) || AC demonstrated an exceptional energy density (E_d) of 44.13 Whkg^-1 at a discharge rate (597.79 Wkg^-1). The results suggest that the AMONRGO electrodes exhibit promising electrochemical performance for the supercapacitor application.

{"title":"Hydrothermally prepared Ag2MoO4 nanoparticles anchored on nitrogen doped rGO for asymmetric supercapacitor application","authors":"R. Shejini , V. Sabarinathan , K. Sethuraman , K. Mohanraj , J. Henry , G. Sivakumar","doi":"10.1016/j.chphi.2025.100863","DOIUrl":"10.1016/j.chphi.2025.100863","url":null,"abstract":"<div><div>The energy density and the specific capacitance are two important parameters for improving energy storage devices. In this study, we introduce the novel incorporation of nitrogen-doped reduced graphene oxide (NRGO) into Ag<sub>2</sub>MoO<sub>4</sub> nanoparticles, for use in asymmetric supercapacitor applications. The synthesized compounds were confirmed and characterized using structural, functional, nitrogen adsorption-desorption, surface, elemental analyses, and electrochemical properties. Here, the AMO<img>NRGO composite materials exhibited the pebble stone-like structure of Ag<sub>2</sub>MoO<sub>4</sub> on the NRGO surface, observed by FESEM techniques. At 1 Ag<sup>-1</sup>, the Ni foam coated with the AMO<img>NRGO (II) nanocomposite demonstrates a good C<sub>sp</sub> of 648 Fg<sup>-1</sup>. It displayed retention of 91 % of its initial capacitance over 5000 charge/discharge cycles. In an asymmetric supercapacitor (ASC) device, the electrodes of AMO<img>NRGO (II) || AC demonstrated an exceptional energy density (E<sub>d</sub>) of 44.13 Whkg<sup>-1</sup> at a discharge rate (597.79 Wkg<sup>-1</sup>). The results suggest that the AMO<img>NRGO electrodes exhibit promising electrochemical performance for the supercapacitor application.</div></div>","PeriodicalId":9758,"journal":{"name":"Chemical Physics Impact","volume":"10 ","pages":"Article 100863"},"PeriodicalIF":3.8,"publicationDate":"2025-03-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143684837","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Effect of π-linkers in Triphenylamine-EDOT based dye sensitizers for DSSCs: A DFT approach

IF 3.8 Q2 CHEMISTRY, PHYSICAL

Chemical Physics Impact

Pub Date : 2025-03-17 DOI: 10.1016/j.chphi.2025.100865

Pooja Kundu, Prabhakar Chetti

In this study, organic molecules with various π-linkers having triphenylamine (TPA) donor core and 3,4-ethylenedioxythiophene (EDOT) as internal acceptor in conjugation with cyanoacrylic acid (CAA) anchoring group on the photovoltaic performance were systematically investigated. The charge transportability, stability, and optical characteristics was estimated using density functional theory (DFT) technique. The molecules exhibited wide absorption spectra ranges 370–480 nm with a noticeable trend towards longer wavelengths, accompanied by low excitation energies. The HOMO (H), LUMO (L), HOMO-LUMO energy gap (∆E_g), ionization potential (IP), electron affinity (EA), reorganization energy are assisted for consideration of suitable energy levels for charge transfer, electron injection, dye regeneration. The impact of π-linkers on the efficacy of DSSCs was determined by scrutinizing necessary photovoltaic parameters like J_SC, ΔG_reg, ΔG_inj, LHE, V_OC, DOS and power conversion efficiency. The dye (NH) with pyrrole π-linker influences the absorption energies for achieving high-efficiency (7.49 %) for solar cell and provide valuable insights into the configuration relationship of organic sensitizers. These findings highlight the potential of reported dye molecules that can exhibit enhanced electronic characteristics has broadened possibilities for the optimization of their photovoltaic properties and are better sensitizers for the assembly of dye sensitized solar cells (DSSCs).

{"title":"Effect of π-linkers in Triphenylamine-EDOT based dye sensitizers for DSSCs: A DFT approach","authors":"Pooja Kundu, Prabhakar Chetti","doi":"10.1016/j.chphi.2025.100865","DOIUrl":"10.1016/j.chphi.2025.100865","url":null,"abstract":"<div><div>In this study, organic molecules with various π-linkers having triphenylamine (TPA) donor core and 3,4-ethylenedioxythiophene (EDOT) as internal acceptor in conjugation with cyanoacrylic acid (CAA) anchoring group on the photovoltaic performance were systematically investigated. The charge transportability, stability, and optical characteristics was estimated using density functional theory (DFT) technique. The molecules exhibited wide absorption spectra ranges 370–480 nm with a noticeable trend towards longer wavelengths, accompanied by low excitation energies. The HOMO (H), LUMO (L), HOMO-LUMO energy gap (∆E<sub>g</sub>), ionization potential (IP), electron affinity (EA), reorganization energy are assisted for consideration of suitable energy levels for charge transfer, electron injection, dye regeneration. The impact of π-linkers on the efficacy of DSSCs was determined by scrutinizing necessary photovoltaic parameters like J<sub>SC</sub>, ΔG<sub>reg</sub>, ΔG<sub>inj</sub>, LHE, V<sub>OC</sub>, DOS and power conversion efficiency. The dye (<strong>NH</strong>) with pyrrole π-linker influences the absorption energies for achieving high-efficiency (7.49 %) for solar cell and provide valuable insights into the configuration relationship of organic sensitizers. These findings highlight the potential of reported dye molecules that can exhibit enhanced electronic characteristics has broadened possibilities for the optimization of their photovoltaic properties and are better sensitizers for the assembly of dye sensitized solar cells (DSSCs).</div></div>","PeriodicalId":9758,"journal":{"name":"Chemical Physics Impact","volume":"10 ","pages":"Article 100865"},"PeriodicalIF":3.8,"publicationDate":"2025-03-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143725773","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Investigation of Metal-Organic Frameworks (MOFs): Synthesis, Properties, and Applications - An In-Depth Review

IF 3.8 Q2 CHEMISTRY, PHYSICAL

Chemical Physics Impact

Pub Date : 2025-03-16 DOI: 10.1016/j.chphi.2025.100864

Fatima zohra Zeggai , Zouhair Ait-Touchente , Khaldoun Bachari , Abdelhamid Elaissari

Metal-organic frameworks (MOFs) are a novel category of crystalline porous hybrid materials that may be precisely adjusted regarding their structure, porosity, and functionality. Their extensive surface area, meticulously engineered pore structures, and diverse synthesis techniques—such as hydrothermal, microwave, electrochemical, and mechanochemical methods—position them prominently for applications in energy storage, gas separation, environmental remediation, and catalysis. Nonetheless, issues like inadequate photocatalytic effectiveness, suboptimal electronic conductivity, and structural instability hinder their large-scale application. Innovative techniques such as heteroatom doping, defect engineering, and the creation of hybrid composites have resulted in significant advancements. For instance, Ti-doped MOFs show a 40% increase in photocatalytic hydrogen evolution, while Ni-MOF composites that conduct electricity show a fivefold increase. This essay looks in depth at MOF synthesis, structure-property relationships, and new ways to make things work better. It also shows possible future research paths, such as making MOFs that can do more than one thing, bioinspired frameworks, and AI-enhanced MOF designs, to get around current problems and find new uses for MOFs in the future.

{"title":"Investigation of Metal-Organic Frameworks (MOFs): Synthesis, Properties, and Applications - An In-Depth Review","authors":"Fatima zohra Zeggai , Zouhair Ait-Touchente , Khaldoun Bachari , Abdelhamid Elaissari","doi":"10.1016/j.chphi.2025.100864","DOIUrl":"10.1016/j.chphi.2025.100864","url":null,"abstract":"<div><div>Metal-organic frameworks (MOFs) are a novel category of crystalline porous hybrid materials that may be precisely adjusted regarding their structure, porosity, and functionality. Their extensive surface area, meticulously engineered pore structures, and diverse synthesis techniques—such as hydrothermal, microwave, electrochemical, and mechanochemical methods—position them prominently for applications in energy storage, gas separation, environmental remediation, and catalysis. Nonetheless, issues like inadequate photocatalytic effectiveness, suboptimal electronic conductivity, and structural instability hinder their large-scale application. Innovative techniques such as heteroatom doping, defect engineering, and the creation of hybrid composites have resulted in significant advancements. For instance, Ti-doped MOFs show a 40% increase in photocatalytic hydrogen evolution, while Ni-MOF composites that conduct electricity show a fivefold increase. This essay looks in depth at MOF synthesis, structure-property relationships, and new ways to make things work better. It also shows possible future research paths, such as making MOFs that can do more than one thing, bioinspired frameworks, and AI-enhanced MOF designs, to get around current problems and find new uses for MOFs in the future.</div></div>","PeriodicalId":9758,"journal":{"name":"Chemical Physics Impact","volume":"10 ","pages":"Article 100864"},"PeriodicalIF":3.8,"publicationDate":"2025-03-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143684836","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Novel ceramic Gd3M2Al3O12: M=Ce+3, Fe+3:Optical properties and potential applications

IF 3.8 Q2 CHEMISTRY, PHYSICAL

Chemical Physics Impact

Pub Date : 2025-03-15 DOI: 10.1016/j.chphi.2025.100861

Dewasthali Tejaswi Ramchandra, Suman Rani

Garnets are becoming popular for improving photonic device efficiency due to their chemical and physical stability, making them ideal for electronics, optics, and material science. This work studies the structural and optical properties of Gd₃Ce₂Al₃O₁₂ (GCAG) and Gd₃Fe₂Al₃O₁₂ (GFAG), synthesized using the sol-gel method, with sintering at 1100 °C for GCAG and 950 °C for GFAG. FESEM and FTIR spectroscopy were used to analyze phase composition and microstructure. UV–Vis spectroscopy revealed a band gap of 3.73 eV for GCAG and 2.63 eV for GFAG. Both GCAG and GFAG exhibit multicolor emission in their Down Conversion (DC) emission spectra, highlighting their intriguing optical properties.

引用次数: 0

Materials on the frontier: A review on groundbreaking solutions for hydrogen storage applications

IF 3.8 Q2 CHEMISTRY, PHYSICAL

Chemical Physics Impact

Pub Date : 2025-03-11 DOI: 10.1016/j.chphi.2025.100862

Siti Nurqurratulainie Miskan , Bashir Abubakar Abdulkadir , Herma Dina Setiabudi

As global energy shifts toward sustainable solutions, switching to sustainable energy, particularly those involving energy storage from hydrogen, relies on effective storage technologies. This is necessary for harnessing the potential of hydrogen as a clean energy carrier. This review discussed the latest advancements in materials designed to improve hydrogen storage efficiency, safety, and scalability. The articles reported different storage materials, such as metal hydrides, chemical hydrides, advanced adsorbents, and their challenges and prospects. Developing innovations like nanostructured and hybrid materials are explained, showing how these cutting-edge approaches improve hydrogen kinetics. However, despite the advancements, challenges like feasibility and sustainability remain. Hence, this study discusses these barriers through life cycle assessments and recycling. Moreover, the study offers an understanding of the applications of these materials, illustrating their prospects to simplify a hydrogen economy. Through examining current research and identifying important trends, the article aims to illuminate the way forward for materials science in hydrogen storage applications. The findings highlight the importance of material development and emphasise the collaborative efforts researchers require to realise the potential of hydrogen as a keystone of sustainable energy systems.

随着全球能源向可持续解决方案转变，转向可持续能源，特别是涉及氢能储存的能源，有赖于有效的储存技术。这是利用氢作为清洁能源载体的潜力所必需的。本综述讨论了旨在提高氢储存效率、安全性和可扩展性的材料方面的最新进展。文章报道了不同的储氢材料，如金属氢化物、化学氢化物、先进吸附剂，以及它们所面临的挑战和前景。文章介绍了纳米结构材料和混合材料等创新技术的发展，展示了这些前沿方法如何改善氢动力学。然而，尽管取得了进步，可行性和可持续性等挑战依然存在。因此，本研究通过生命周期评估和回收利用来讨论这些障碍。此外，本研究还介绍了这些材料的应用，说明了它们在简化氢经济方面的前景。通过审视当前的研究并确定重要趋势，文章旨在为储氢应用领域的材料科学指明方向。研究结果突出了材料开发的重要性，并强调了研究人员为实现氢作为可持续能源系统基石的潜力所需的合作努力。

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引用次数: 0

Fabrication of poly (vinyl alcohol)/Argenome mexicana extract composite nanofibers by electrospinning for antifungal and antimicrobial exploits

IF 3.8 Q2 CHEMISTRY, PHYSICAL

Chemical Physics Impact

Pub Date : 2025-03-07 DOI: 10.1016/j.chphi.2025.100860

Manivannan Madhaiyan , Sathiya Nathan Selvam , Prasath Manivannan , Kamaraj Sattu , Dharmaraj Nallasamy , Prabu Periyasamy

Argenome mexicana (AM) is used in traditional chinese medicine. Isoquinoline alkaloids, such as berberine, coptisine, palmatine and magnoflorine are the primary active ingredients in AM; these compounds exhibit several pharmacological properties. Poly (vinyl alcohol) (PVA), a synthetic biocompatible polymer is widely utilised in food, pharmaceutical, cosmetic and packaging sectors. PVA can also be utilised as a matrix to incorporate functional components. In this study, the impact of AM extract concentrations on the morphologies, as well as the antibacterial and antifungal capabilities of PVA/AM extract composite nanofibers were investigated. FT-IR, XRD, SEM, TGA and cytotoxicity study were among the characterisation methods used. The antibacterial and antifungal potential of these nanofibers were assessed against Staphylococcus aureus and Staphylococcus epidermidis. Cytotoxicity of the fabricated composite nanofibers carried out fibroblast cells (NIH 3T3), no cytotoxic effects were observed.

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引用次数: 0

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