Journal of Materials Chemistry A最新文献

{"title":"Thermally stable proton-conducting oxy-hydroxides synthesized in concentrated water vapor","authors":"Kenji Arai, Yoko Kokubo, Yusuke Asai, Satoshi Ogawa, Miwa Saito, Maria Kirsanova, Iaroslava Shakhova, Artem Abakumov, Fumitaka Takeiri, Hiroshi Kageyama, Teruki Motohashi","doi":"10.1039/d5ta01492a","DOIUrl":"https://doi.org/10.1039/d5ta01492a","url":null,"abstract":"The diverse functionalities of (oxy-)hydroxides, such as electrocatalytic activity of transition-metal oxy-hydroxides in the oxygen evolution reaction (OER) and ion exchange capabilities of layered double hydroxides (LDHs), continue to attract significant interest. However, these compounds are typically synthesized in aqueous solutions at room temperature, under hydrothermal conditions, or in mild vapor atmospheres. Here, we present a novel (oxy-)hydroxide synthesis technique called “vapor hydroxidation,” which is conducted in a highly concentrated water vapor atmosphere at elevated temperatures. Structural analysis revealed the formation of a new oxy-hydroxide, [Ba<small>₂</small>O<small>_<em>x</em></small>(OH)<small>_<em>y</em></small>]<small>_0.55</small>InO<small>₂</small>, with a misfit-layered structure, characterized by alternating incommensurate barium hydroxide bilayers and indium oxide blocks. Unlike known (oxy-)hydroxides, this oxy-hydroxide displays exceptional thermal stability, retaining hydroxide ions within its crystal structure up to approximately 700 °C. These features suggest promising potential for high-temperature proton conductivity, as demonstrated by an electrical conductivity of 5 × 10<small>⁻⁴</small> S cm<small>⁻¹</small> at 500 °C even under dry argon. Our “vapor hydroxidation” method thus opens up a new avenue for the development of proton-functional materials with unconventional chemical and electronic characteristics.","PeriodicalId":82,"journal":{"name":"Journal of Materials Chemistry A","volume":"48 1","pages":""},"PeriodicalIF":11.9,"publicationDate":"2025-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144153914","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A Vanadium-doped CuxO Nanorod Array with Modulated Electronic Structure for Enhanced Aqueous Energy Storage","authors":"Jiaxin Luo, Yang Qin, Meina Tan, Shengtong Lv, Fazhi Zhang, Xuhui Zhao, Yiping Wang, Gareth R Williams, Xiaodong Lei","doi":"10.1039/d5ta01765c","DOIUrl":"https://doi.org/10.1039/d5ta01765c","url":null,"abstract":"The poor intrinsic electronic conductivity of copper-based oxides materials limits their development for aqueous electrochemical energy storage devices (AEESDs). Herein, we develop a self-supporting vanadium-doped CuxO nanorod array AEESD via in-situ transformation using a template precursor and modification with vanadium. Theoretical and experimental analysis illustrate that partial vanadium isomorphic substitution on copper sites can successfully modulate the electronic and lattice structure of the pristine materials, then drive electron transfer, resulting in enhanced electrical conductivity and reaction kinetics for energy storage. An AEESD constructed with a V-CuxO nanorod array negative electrode shows desirable electrochemical performance, with high energy density of 1.26 mWh·cm-2 at power density of 8.50 mW·cm-2 and 0.71 mWh·cm-2 at 85 mW·cm-2. The AEESD can effectively power LED lighting. This work provides novel insights into how the modulation of the crystal structure of copper-based oxides can enhance their electrochemical performance.","PeriodicalId":82,"journal":{"name":"Journal of Materials Chemistry A","volume":"25 1","pages":""},"PeriodicalIF":11.9,"publicationDate":"2025-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144153917","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Breaking structural symmetry to facilitate fast reaction kinetics","authors":"Woosik Min, Seokhyun Lee, Juncheol Hwang, Sangho Yoon, Duho Kim","doi":"10.1039/d5ta02769a","DOIUrl":"https://doi.org/10.1039/d5ta02769a","url":null,"abstract":"Breaking the intrinsic symmetry in crystal structures has emerged as a powerful strategy to enhance electrochemical reaction kinetics in advanced battery materials. In this study, we systematically investigate how introducing larger heteroatoms (e.g., Se, Te) into a cubic host lattice disrupts its symmetry, thereby creating new pathways for ionic transport. By expanding and splitting bond lengths, doping weakens the local bonding environment and reduces chemical hardness, which in turn lowers the energy barriers for (de)lithiation and accelerates phase-transition kinetics. Furthermore, Li kinetic calculations reveal that the resultant lattice distortions give rise to multiple diffusion routes, including newly formed channels with notably lower migration barriers. These findings underscore the critical role of structural asymmetry in improving charging rates and mitigating voltage hysteresis. Overall, this work highlights symmetry breaking as a promising design concept for developing high-performance battery materials, offering a pathway to faster Li-ion transport.","PeriodicalId":82,"journal":{"name":"Journal of Materials Chemistry A","volume":"153 1","pages":""},"PeriodicalIF":11.9,"publicationDate":"2025-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144153915","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Correction: Sodium 4-styrenesulfonyl(trifluoromethanesulfonyl)imide-based single-ion conducting polymer electrolyte incorporating molecular transporters for quasi-solid-state sodium batteries","authors":"Clemens Wunder, Thanh-Loan Lai, Edina Šić, Torsten Gutmann, Eric De Vito, Gerd Buntkowsky, Maider Zarrabeitia, Stefano Passerini","doi":"10.1039/d5ta90118a","DOIUrl":"https://doi.org/10.1039/d5ta90118a","url":null,"abstract":"Correction for ‘Sodium 4-styrenesulfonyl(trifluoromethanesulfonyl)imide-based single-ion conducting polymer electrolyte incorporating molecular transporters for quasi-solid-state sodium batteries’ by Clemens Wunder <em>et al.</em>, <em>J. Mater. Chem. A</em>, 2024, <strong>12</strong>, 20935–20946, https://doi.org/10.1039/D4TA02329C.","PeriodicalId":82,"journal":{"name":"Journal of Materials Chemistry A","volume":"1 1","pages":""},"PeriodicalIF":11.9,"publicationDate":"2025-05-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144145557","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Photon-induced isomerization enables high-performance polymer solar cells","authors":"Hanzhi Wu, Jiawei Qiao, Jinqun Xu, Mingxu Zhou, Zhen Fu, Peng Lu, Hang Yin, Xiaoyan Du, Wei Qin, Kangning Zhang, Xiao-Tao Hao","doi":"10.1039/d5ta02550h","DOIUrl":"https://doi.org/10.1039/d5ta02550h","url":null,"abstract":"The introduction of isomeric components into the active layers demonstrates effective mitigation of morphological defects arising from thermodynamic immiscibility in all-polymer solar cells (all-PSCs). Nevertheless, conventional isomerization methods for donor and acceptor materials remain complex and challenging to implement for intensifying photovoltaic performance. To overcome this limitation, we propose a photo-isomerization strategy involving ultraviolet laser irradiation of polymer materials in solutions. Structural and photophysical characterizations reveal that neat polymer films present enhanced crystallinity, prolonged exciton lifetime, and extended exciton diffusion length through the isomeric component incorporation. These benefits further synergistically strengthens intermolecular π-π stacking interaction and optimizes vertical distribution gradient in the active layers fabricated via layer-by-layer deposition, delivering an ideal bicontinuous interpenetrating network morphology. Notably, the refined morphology of the active layers increases the proportion of local excitons converting into charge transfer states to facilitate exciton dissociation, improves charge transport, and suppresses charge recombination. Ultimately, the laser-processed PM6:PY-IT devices achieve a promising power conversion efficiency of 18.21% and ameliorated stability including both thermal stability and photostability. This work confirms that ultraviolet laser irradiation can serve as a facile and effective approach for inducing isomerization of organic photovoltaic materials, offering a photochemical perspective toward efficient and stable PSCs.","PeriodicalId":82,"journal":{"name":"Journal of Materials Chemistry A","volume":"22 1","pages":""},"PeriodicalIF":11.9,"publicationDate":"2025-05-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144145812","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A critical review on Recent advancement on Metal -Organic Frameworks (MOFs) for CO2 capture, storage and utilization","authors":"Swati Kumari, Mahek Gusain, Bhawna Yadav Lamba, Sanjeev Kumar","doi":"10.1039/d5ta02338f","DOIUrl":"https://doi.org/10.1039/d5ta02338f","url":null,"abstract":"One of the biggest problems our world is currently facing is global climate change brought on by rising atmospheric CO2 levels. The creation of technology that encourage \"negative carbon emissions\" is necessary to address this worldwide catastrophe. As the shift to more sustainable energy infrastructures advances, carbon capture and storage (CCS) and CCU (Carbon capture and utilization) technologies are essential for removing CO2 from current emission sources, such as industrial and energy production facilities. Metal-organic frameworks (MOFs) are a new class of solid porous materials that have attracted a lot of interest recently in addition to conventional inorganic adsorbents. MOFs as an adsorbent are a rapidly expanding subject due to their versatility in structure and function. Innovation in carbon capture solutions is still being fuelled by the promising performance of MOF-based technology. An ever-increasing number of current publications and citations, as well as the ongoing expansion of study scope and researcher interaction, demands a summarization of the approaches made in this time regarding MOFs. Here in this review at first, insight to MOFs has been given followed by the routes to MOFs from conventional (For e.g., Solvothermal/hydrothermal) to contemporary (Microwave-assisted, mechanochemical, electrochemical, microemulsion, Sonochemical, dry-gel conversion method) to other methods (for e.g., green synthesis, ionic-liquid based and discarded material as a synthesis medium). Later characterization techniques (for e.g., XRD, FTIR, TGA, BET) has been discussed briefly. Thereafter application of MOFs for CO2 capture (mainly focused on MOFs for post combustion CO2 capture and Direct air capture), CO2 storage and CO2 conversion (for e.g., MOFs as photocatalyst and MOFs as electrocatalyst) has been mentioned. Further Commercialization, scalability and environmental impact of MOFs are summarized. Finally, some suggestions for the future development of the MOFs are outlined, and we hope that the valuable insights accumulated in this review will be helpful for future research.","PeriodicalId":82,"journal":{"name":"Journal of Materials Chemistry A","volume":"12 1","pages":""},"PeriodicalIF":11.9,"publicationDate":"2025-05-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144145554","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Regulation of Transition Metal Atoms Supported on Defective h-BN by Adjacent Monovacancies for Electrochemical CO2 Reduction: Mechanism and d-band Spin-Polarization Effect","authors":"Wenjie Wang, Meiyun Zhang, Jinhao Zhou, Bingfeng Fan","doi":"10.1039/d5ta01487e","DOIUrl":"https://doi.org/10.1039/d5ta01487e","url":null,"abstract":"Transition metal (TM)-doped defective hexagonal boron nitride (h-BN) single-atom catalysts (SACs) show significant promise for the electrochemical carbon dioxide reduction reaction (CO2RR). Given that defect engineering has emerged as a potent strategy for enhancing the catalytic performance of two-dimensional SACs and extensive experimental studies have observed that doping transition metals into defective two-dimensional substrates promotes the formation of adjacent vacancies, a comprehensive theoretical investigation is essential to elucidate the impact of different adjacent vacancies on the catalytic properties of TM-doped h-BN SACs. This study employs density functional theory calculations to investigate the regulatory effects and mechanisms of five types of adjacent boron and nitrogen monovacancies on the CO2RR catalytic performance of Fe, Co, and Mo atoms anchored on defective h-BN (denoted as M-vac@BN, where M = Fe, Mo, Co and vac = B1, B2, B3, N1, N2). Stability analysis reveals that the position and type of adjacent monovacancies significantly impact the stability of the supported metal atoms. Volcano plot and linear relationship analysis demonstrate that the CO adsorption energy (EB(CO)) serves as a reliable descriptor for predicting the overpotential for CO2RR on M-vac@BN. Strategic introduction of specific adjacent monovacancies can effectively tune the CO adsorption strength, thereby influencing the catalytic activity. More interestingly, a strong linear relationship is observed between the magnetic moments of transition metal atoms M in M-vac@BN (M = Co, Mo) and the integrated projected crystal orbital Hamiltonian population (IpCOHP) of the M-C bonds in CO adsorption intermediates, which arises from the linear relationship between the M-C bond strength in CO adsorption intermediate and the d-band spin polarization of the M atom in M-vac@BN. Specifically, enhanced d-band spin polarization strengthens the M-C bond by broadening the bonding peak in the projected crystal orbital Hamiltonian population (pCOHP) of the M-C bond.","PeriodicalId":82,"journal":{"name":"Journal of Materials Chemistry A","volume":"24 1","pages":""},"PeriodicalIF":11.9,"publicationDate":"2025-05-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144145555","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Acidic-Neutral Decoupled Biphasic Electrolytes Enhance Deposition-Dissolution Chemistry in Zn–Mn Batteries","authors":"Yidan Cui, Qingyun Dou, Jiewen Yang, Jingke Yang, Xiaoxi Zhao, Guosheng Li, Pengwei Jing, Qingyue Yin, Caihong Tao, Xingbin Yan","doi":"10.1039/d5ta02521d","DOIUrl":"https://doi.org/10.1039/d5ta02521d","url":null,"abstract":"Aqueous Zn–Mn batteries are emerging as promising candidates for next-generation energy storage technologies owing to their advantages including high energy density, low cost, and excellent reliability. However, conventional aqueous electrolytes struggle to meet the dual deposition-dissolution requirements of the Mn2+/MnO2 cathodes and Zn2+/Zn anodes simultaneously. The Mn2+/MnO2 two-electron redox reaction in cathodes demands an acidic condition to achieve a theoretical capacity of 616 mAh g−1, twice that of neutral and alkaline systems, yet such a condition inevitably exacerbates Zn anode corrosion and undesirable hydrogen evolution reaction. To address this fundamental conflict, this study designs a self-stratifying aqueous-organic biphasic electrolyte, which successfully decouples the working conditions of the Mn cathodes and Zn anodes. The proof-of-concept Zn–Mn battery employing this biphasic electrolyte enables efficient Mn2+/MnO2 redox chemistry in the acidic aqueous phase and stable Zn plating-stripping in the neutral organic phase, therefore achieving a high discharge voltage of ~1.8 V, along with a stable cycling life of 90% capacity retention over 250 cycles. This work demonstrates an effective strategy for decoupling acidic and neutral conditions in a biphasic electrolyte and provides insights into the development of high-energy Zn–Mn batteries.","PeriodicalId":82,"journal":{"name":"Journal of Materials Chemistry A","volume":"18 1","pages":""},"PeriodicalIF":11.9,"publicationDate":"2025-05-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144145810","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Cutting-edge advances for the positive electrode in aqueous K-ion batteries: exploring electrochemical properties, structural designs, and applicable perspectives","authors":"Xiao Liu, Ming-Chun Zhao, Andrej Atrens, Fuqin Zhang","doi":"10.1039/d5ta00894h","DOIUrl":"https://doi.org/10.1039/d5ta00894h","url":null,"abstract":"Aqueous K-ion batteries (AKIBs) are a promising technology for large-scale energy storage due to their low cost and high safety. However, their positive electrode materials face many challenges, such as structural degradation due to the large K<small>⁺</small> radius, poor cycling performance and low efficiency, which restrict practical applications. This review provides an overview of the cutting-edge advances of positive electrode materials for AKIBs, highlights the electrochemical properties, modification strategies and structural design of positive electrode materials such as Prussian blue analogs, layered transition metal oxides, polyanionic compounds and MXenes, and discusses the reaction mechanisms of various positive electrode materials. Also explored are (i) the advantages of metal chalcogenides, a new positive electrode material, and (ii) application prospects of high-performance AKIB positive electrode materials to allow the realization of more efficient and stable AKIBs.","PeriodicalId":82,"journal":{"name":"Journal of Materials Chemistry A","volume":"43 1","pages":""},"PeriodicalIF":11.9,"publicationDate":"2025-05-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144145549","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"MoOx-based high-density nanoarrays on a substrate via smart anodizing as novel 3D electrodes for nano-energy applications","authors":"Alexander Mozalev, Maria Bendova, Lukas Kalina, Jan Prasek, Francesc Gispert-Guirado, Eduard Llobet","doi":"10.1039/d5ta02921j","DOIUrl":"https://doi.org/10.1039/d5ta02921j","url":null,"abstract":"Nanostructured molybdenum oxide (MoO<small>_<em>x</em></small>) has many exciting properties that are highly dependent on the synthesis procedure. MoO<small>_<em>x</em></small> nanostructures should be aligned on a substrate for nanoelectronic on-chip applications, which has been challenging. Here, for the first time, arrays of MoO<small>_<em>x</em></small>-based nanoprotrusions of various morphologies (nanogoblets and nanorods), dimensions (20–500 nm), and surface densities (up to 10<small>¹¹</small> cm<small>⁻²</small>), spatially separated and vertically aligned on a Si wafer, were synthesized <em>via</em> self-organized porous-anodic-alumina (PAA)-assisted anodization of a Mo underlayer covered with a few nm thick Nb interlayer. This creative anodization approach enabled sustainable growth of fully amorphous MoO<small>_<em>x</em></small> within and under the PAA nanopores in several aqueous electrolytes, which other reported methods cannot accomplish. The nanoarrays grow <em>via</em> the outward migration of Mo<small>^<em>n</em>+</small> cations enabled by the thin niobium-oxide interlayer, followed by the concurrent migration of Mo<small>^<em>n</em>+</small> (<em>n</em> = 4–6) and Nb<small>⁵⁺</small> cations in the PAA barrier layer and along the pore walls, competing with the migration of Mo<small>^<em>n</em>+</small> through the anodic molybdenum oxide that grows within the ‘empty’ pores. The nanorods derived after selective PAA dissolution feature a core/shell heterostructure: The shells are composed of MoO<small>₃</small>, several molybdenum suboxides (Mo<small>⁵⁺</small>, Mo<small>⁴⁺</small>), stoichiometric Nb<small>₂</small>O<small>₅</small>, and Al<small>₂</small>O<small>₃</small>, all mixed at the molecular level, whereas the cores are slightly hydrated and reduced MoO<small>₃</small>, as revealed by X-ray photoelectron spectroscopy. The annealing in air or vacuum at 550 °C increases the oxidation state of Mo<small>^<em>n</em>+</small> cations in the shells and causes the formation of monoclinic MoO<small>₂</small> and orthorhombic Nb<small>₂</small>O<small>₅</small> nanocrystallites in the bottom oxide. Mott–Schottky analysis disclosed n-type semiconductor properties of the cores, with the charge carrier density reaching 1 × 10<small>²²</small> cm<small>⁻³</small>, whereas the shells seem more dielectric. The cyclic voltammetry and galvanostatic charge–discharge measurements featured characteristic reversible redox reactions, intensive electron transport, intercalation pseudocapacitive behavior, competitive charge-storage performance, and good rate capability of the rod's cores, which means the potential for nano-energy applications.","PeriodicalId":82,"journal":{"name":"Journal of Materials Chemistry A","volume":"34 1","pages":""},"PeriodicalIF":11.9,"publicationDate":"2025-05-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144145550","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}