Accounts of materials research最新文献

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IF 14
Accounts of materials research Pub Date : 2025-04-25
Baekmin Q. Kim, Uiseok Hwang, Hong Huy Tran and Daeyeon Lee*, 
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引用次数: 0
IF 14
Accounts of materials research Pub Date : 2025-04-25
Xinyu Zhang, Youzhi Xu* and Pingwu Du*, 
{"title":"","authors":"Xinyu Zhang, Youzhi Xu* and Pingwu Du*, ","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":72040,"journal":{"name":"Accounts of materials research","volume":"6 4","pages":"XXX-XXX XXX-XXX"},"PeriodicalIF":14.0,"publicationDate":"2025-04-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.acs.org/doi/pdf/10.1021/accountsmr.4c00338","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144420383","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
IF 14
Accounts of materials research Pub Date : 2025-04-25
Jing-Wang Cui, Si-Hua Liu, Liang-Xiao Tan and Jian-Ke Sun*, 
{"title":"","authors":"Jing-Wang Cui, Si-Hua Liu, Liang-Xiao Tan and Jian-Ke Sun*, ","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":72040,"journal":{"name":"Accounts of materials research","volume":"6 4","pages":"XXX-XXX XXX-XXX"},"PeriodicalIF":14.0,"publicationDate":"2025-04-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.acs.org/doi/pdf/10.1021/accountsmr.4c00402","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144420384","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
IF 14
Accounts of materials research Pub Date : 2025-04-25
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引用次数: 0
Cell–Material Interactions in Vascular Tissue Engineering 血管组织工程中的细胞-物质相互作用
Accounts of materials research Pub Date : 2025-04-21 DOI: 10.1021/accountsmr.4c00390
Connor D Amelung, Sharon Gerecht
{"title":"Cell–Material Interactions in Vascular Tissue Engineering","authors":"Connor D Amelung, Sharon Gerecht","doi":"10.1021/accountsmr.4c00390","DOIUrl":"https://doi.org/10.1021/accountsmr.4c00390","url":null,"abstract":"The vascular system, encompassing blood and lymphatic vessels, is essential for nutrient transport, waste elimination, and homeostasis regulation. Composed of endothelial cells and mural cells, such as smooth muscle cells and pericytes, the vasculature is critical for various physiological processes, including development, organogenesis, wound healing, and tumor metastasis. The interplay between the biophysical properties of the extracellular matrix and its biochemical composition significantly influences vascular function and integrity. However, studying these complex interactions <i>in vivo</i> presents considerable challenges, underscoring the need for innovative research methodologies. For example, traditional 2D cell culture fails to account for the complex, multifaceted environment that cells are exposed to <i>in vivo</i>. Vascular tissue engineering has emerged as a promising approach, aiming to replicate the architecture and functionality of blood vessels to enhance understanding of vascular development and pathology. A central facet of vascular tissue engineering is biomaterial design, in which natural or synthetic polymers are assembled into water-swollen networks, or hydrogels, for 3D cell cultures that can last days or weeks. By utilizing hydrogel biomaterials, researchers can create tunable model systems that closely mimic the natural vascular environment, such as by modifying polymer backbone functionalization and the local biochemical environment or altering the resultant physical properties of the hydrogel. These customizable microenvironments facilitate critical cell–matrix interactions, enabling investigations into key vascular mechanisms such as adhesion, migration, proliferation, and differentiation. This Account explores key aspects of cell–matrix interactions in vascular tissue engineering and the biomaterials designed to study them. We begin with advancements in material design that replicate the spatial and mechanical properties of vascular tissues: matrix stiffness can be tuned to mimic the stiffness of <i>in vivo</i> tissues, viscoelasticity is introduced to replicate the time-dependent strain associated with biologic fluids and tissues, spatial orientation is designed to mimic the architecture common to naturally occurring extracellular matrix, and degradation is an inherent feature of these materials to facilitate cell-caused microenvironment remodeling. We then examine how the biochemical properties of materials influence vascular function: matrix composition can replicate the factors expected in the vascular extracellular matrix, bioactive cues are presented to match the complex gradients formed by paracrine signaling, and hypoxia can be introduced via material design to understand how angiogenesis occurs at the edges of existing vascular networks. Finally, we identify major challenges in the field, highlighting current obstacles and proposing future strategies to enhance the characterization of vascular tissue const","PeriodicalId":72040,"journal":{"name":"Accounts of materials research","volume":"12 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-04-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143858271","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}
引用次数: 0
Cell–Material Interactions in Vascular Tissue Engineering 血管组织工程中的细胞-物质相互作用
IF 14
Accounts of materials research Pub Date : 2025-04-21 DOI: 10.1021/accountsmr.4c0039010.1021/accountsmr.4c00390
Connor D Amelung,  and , Sharon Gerecht*, 
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引用次数: 0
Lattice Energy Reservoir in Metal Halide Perovskites 金属卤化物钙钛矿中的晶格能库
Accounts of materials research Pub Date : 2025-04-15 DOI: 10.1021/accountsmr.5c00047
Xiaoming Wen, Baohua Jia
{"title":"Lattice Energy Reservoir in Metal Halide Perovskites","authors":"Xiaoming Wen, Baohua Jia","doi":"10.1021/accountsmr.5c00047","DOIUrl":"https://doi.org/10.1021/accountsmr.5c00047","url":null,"abstract":"Figure 1. Scheme of lattice energy reservoir as dynamic nanodomain in halide perovskites. Blue LER: before energy storage, red LER: energy accumulation by phonon-lattice coupling, higher potential energy is established over the surrounding. (ph-phonon) Figure 2. (a) Scheme for LER suppress hot carrier cooling. The homojunction with strain of different lattice suppress thermal transport to the surrounding lattice and then induces acoustic-optical phonon upconversion. (b) Proposed phonon dynamics in Perovskites. The labeled phonon dynamic processes are (1) Fröhlich interaction of carriers primarily on the lead-halide framework; (2) relaxation of lead-halide LO phonon, organic sublattice can be excited by phonon–phonon scattering; (3) propagation of acoustic phonon is blocked due to anharmonic phonon–phonon scatterings; (4) upconversion of acoustic phonons; and (5) carrier reheating. (3) Reproduced with permission from ref (3). Copyright 2017 The Authors. Figure 3. PL enhancement in halide perovskites with continuous illumination at the time scale of seconds. PL Intensity (a) and PL decay curves (b) in MAPbI<sub>3</sub> nanoplatelet under continuous illumination (405 nm 200 mW/cm<sup>2</sup>). Figure 4. Schematic photobrightening by LER induced subgap carrier upconversion. (a) Without LER effect before illumination and (c) display a short carrier lifetime. (b) Upon illumination hot LERs form (red regions) and the subgap carrier can be upconverted back to the CB, (d) resulting in a significantly prolonged carrier lifetime. (TS: trapping/metastable states, ph: phonon, e: electron.) Figure 5. Schematic subgap electron upconversion driven by hot LERs under illumination. Figure 6. (a) Time-dependent PL spectra in MAPbBr<sub>3</sub> single crystal under 405 nm excitation at a fluence of 350 mW/cm<sup>2</sup>. (b) Fluorescence intermittency in MAPbBr<sub>3</sub> single grain as a function of time under the continuous excitation of 405 nm. Dr Wen Xiaoming was awarded bachelor’s and master’s degrees from Zhejiang University, and a PhD from Swinburne University, Australia in 2007. From 1989 to 2003, he worked at Yunnan University as full professor and deputy head of department. He has performed research at the University of Melbourne, University of New South Wales, Swinburne University of Technology in Australia and Academia Sinica in Taiwan on ultrafast spectroscopy and photophysics of materials. He is currently a senior researcher and theme leader at RMIT University, focusing on the photophysics of perovskites and photovoltaic applications. Prof Baohua Jia was awarded a PhD from Swinburne University. She is a Fellow of Australian Academy of Technological Sciences and Technologies (FTSE), a Future Fellow of Australian Research Council and Founding Director of Centre for Atomaterials and Nanomanufacturing (CAN) at RMIT University, Australia. Professor Jia serves as Editor-in-Chief for NPJ Nanophotonics. Prof Jia is a Fellow of Optica, and a Fellow of the Inst","PeriodicalId":72040,"journal":{"name":"Accounts of materials research","volume":"41 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143836896","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}
引用次数: 0
A Perspective on the Rational Design of Spinel Catalysts for Polysulfide Conversion 多硫化物转化尖晶石催化剂的合理设计透视
Accounts of materials research Pub Date : 2025-04-14 DOI: 10.1021/accountsmr.5c00092
Wen Xie, Qian Wu, Zhichuan J. Xu
{"title":"A Perspective on the Rational Design of Spinel Catalysts for Polysulfide Conversion","authors":"Wen Xie, Qian Wu, Zhichuan J. Xu","doi":"10.1021/accountsmr.5c00092","DOIUrl":"https://doi.org/10.1021/accountsmr.5c00092","url":null,"abstract":"Figure 1. Illustration of normal spinel, inverse spinel, and defected inverse spinel structures. Figure 2. Illustration of d-orbitals splitting in (a) octahedral field and (b) tetrahedral field. Figure 3. Schematic illustration of the role of spin state and M-O covalency in regulating the polysulfide conversion activity of spinel oxides. (a) The role of spin state in regulating the bonding and antibonding states of molecular orbitals between metal cations and sulfur species. (b) The optimized structures of the (111) plane of spinel oxides. The right box shows that one oxygen atom is connected to one tetrahedral cation and two octahedral cations. (c) Illustration of different M<sub>Oct</sub>–O–M<sub>Td</sub> covalencies and their corresponding active sites in spinel oxides. The top box indicates that the M<sub>Td</sub>- active sites are more likely to be generated when the covalency of M<sub>Td</sub>–O is weaker than that of M<sub>Oct</sub>–O. Otherwise, M<sub>Oct</sub>– active sites are more likely to be generated, as shown in the bottom box. [Reproduced with permission from ref (14). Copyright 2020, Springer Nature.] (d) Illustration of the role of M–O covalency in regulating the electron distribution after bond breakage. A weak M–O covalency leads to an unequal distribution of electrons after bond breakage and the generation of two partially ionic parts. In contrast, a strong M–O covalency makes bond breakage more difficult. Only intermediate M–O covalency contributes to the equal distribution of electrons after bond breakage and the exposure of active sites. [Reproduced with permission from ref (14). Copyright 2020, Springer Nature.] Figure 4. Schematic illustration of the design strategies of spinel catalysts. (a) Illustration of site occupancy switch in spinel structures by adjusting the annealing temperature. X indicates anions (e.g., O, S). [Reproduced with permission from ref (3). Copyright 2025, American Chemical Society, Washington, DC.] (b) The role of doping in regulating the valence electrons of metal and lattice sulfur sites of spinel sulfides. [Reproduced with permission from ref (23). Copyright 2025, Wiley-VCH.] (c) The evolution of Co<sup>3+</sup> spin state and the construction of Co–O–Co spin channel. [Reproduced with permission from ref (24). Copyright 2021, Wiley-VCH.] (d) Illustration of the adsorption–conversion process of polysulfides on the surface of CoFeMnO YSNCs. [Reproduced with permission from ref (18). Copyright 2022, Wiley-VCH.] Figure 5. Outlook and perspectives on the rational design of spinel catalysts for polysulfide conversion. The Supporting Information is available free of charge at https://pubs.acs.org/doi/10.1021/accountsmr.5c00092. Additional discussion on spinel structure, cation coordination environment and spin state, and M–O covalency (PDF) A Perspective\u0000on the Rational Design of Spinel Catalysts\u0000for Polysulfide Conversion <span> 2 </span><span> views </span> <span> 0 </span><span> shares </span> <spa","PeriodicalId":72040,"journal":{"name":"Accounts of materials research","volume":"50 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-04-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143832484","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}
引用次数: 0
Advancing Thermal Management Technology for Power Semiconductors through Materials and Interface Engineering 通过材料和界面工程推进功率半导体热管理技术
Accounts of materials research Pub Date : 2025-04-08 DOI: 10.1021/accountsmr.4c00349
Man Li, Suixuan Li, Zhihan Zhang, Chuanjin Su, Bryce Wong, Yongjie Hu
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引用次数: 0
Advancing Thermal Management Technology for Power Semiconductors through Materials and Interface Engineering 通过材料和界面工程推进功率半导体热管理技术
IF 14
Accounts of materials research Pub Date : 2025-04-08 DOI: 10.1021/accountsmr.4c0034910.1021/accountsmr.4c00349
Man Li, Suixuan Li, Zhihan Zhang, Chuanjin Su, Bryce Wong and Yongjie Hu*, 
{"title":"Advancing Thermal Management Technology for Power Semiconductors through Materials and Interface Engineering","authors":"Man Li,&nbsp;Suixuan Li,&nbsp;Zhihan Zhang,&nbsp;Chuanjin Su,&nbsp;Bryce Wong and Yongjie Hu*,&nbsp;","doi":"10.1021/accountsmr.4c0034910.1021/accountsmr.4c00349","DOIUrl":"https://doi.org/10.1021/accountsmr.4c00349https://doi.org/10.1021/accountsmr.4c00349","url":null,"abstract":"&lt;p &gt;Power semiconductors and chips are essential in modern electronics, driving applications from personal devices and data centers to energy technologies, vehicles, and Internet infrastructure. However, efficient heat dissipation remains a critical challenge, directly affecting their performance, reliability, and lifespan. High-power electronics based on wide- and ultrawide-bandgap semiconductors can exhibit power densities exceeding 10 kW/cm&lt;sup&gt;2&lt;/sup&gt;, hundreds of times higher than digital electronics, posing significant thermal management challenges. Addressing this issue requires advanced materials and interface engineering, alongside a comprehensive understanding of materials physics, chemistry, transport dynamics, and various electronic, thermal, and mechanical properties.&lt;/p&gt;&lt;p &gt;Despite progress in thermal management solutions, the complex interplay of phonons, electrons, and their interactions with material lattices, defects, boundaries, and interfaces presents persistent challenges. This Account highlights key advancements in thermal management for power semiconductors and chips, with a focus on our group’s recent contributions. Our approach addresses several critical issues: (1) developing materials with ultrahigh thermal conductivity for enhanced heat dissipation, (2) reducing thermal boundary resistance between power semiconductors and emerging 2D materials, (3) improving thermal and mechanical contacts between chips and heat sinks, (4) innovating dynamic thermal management solutions, and (5) exploring novel principles of thermal transport and design for future technologies.&lt;/p&gt;&lt;p &gt;Our research philosophy integrates multiscale theoretical predictions with experimental validation to achieve a paradigm shift in thermal management. By leveraging first-principles calculations, the recent studies redefined traditional criteria for high-thermal-conductivity materials. Guided by these insights, we developed boron arsenide and boron phosphide, which exhibit record-high thermal conductivities of up to 1300 W/mK. Through phonon band structure engineering, we reduced TBR in GaN/BAs interfaces by over 8-fold compared to GaN/diamond interfaces. The combination of low TBR and high thermal conductivity significantly reduced hotspot temperatures, setting new benchmarks in thermal design for power electronics.&lt;/p&gt;&lt;p &gt;We further explored the anisotropic TBR properties of two-dimensional materials and Moiré patterns in twisted graphene, expanding the thermal design landscape. To address challenges at device–heat sink interfaces, we developed self-assembled boron arsenide composites with a thermal conductivity of 21 W/mK and exceptional mechanical compliance (∼100 kPa). These composites provide promising solutions for thermal management in flexible electronics and soft robotics.&lt;/p&gt;&lt;p &gt;In dynamic thermal management, we pioneered the concept of solid-state thermal transistors, enabling electrically controlled heat flow with unparalleled tunability, spee","PeriodicalId":72040,"journal":{"name":"Accounts of materials research","volume":"6 5","pages":"563–576 563–576"},"PeriodicalIF":14.0,"publicationDate":"2025-04-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.acs.org/doi/epdf/10.1021/accountsmr.4c00349","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144114692","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
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