Nano Letters最新文献_第6页

Long-Term Single-Particle Tracking of Membrane Proteins Enabled by Upconversion Alkaline-Earth Nanoprobes. 上转换碱土纳米探针实现膜蛋白的长期单粒子跟踪。

IF 10.8 1区材料科学

Nano Letters Pub Date : 2025-07-29 DOI: 10.1021/acs.nanolett.5c01945

Huan Ling,Jinyang Liu,Fan Ding,Fei Zhao,Song Chen,Wenrui Zhang,Yunxiang Zhang,Qian Liu

{"title":"Long-Term Single-Particle Tracking of Membrane Proteins Enabled by Upconversion Alkaline-Earth Nanoprobes.","authors":"Huan Ling,Jinyang Liu,Fan Ding,Fei Zhao,Song Chen,Wenrui Zhang,Yunxiang Zhang,Qian Liu","doi":"10.1021/acs.nanolett.5c01945","DOIUrl":"https://doi.org/10.1021/acs.nanolett.5c01945","url":null,"abstract":"Single-particle tracking (SPT) provides mechanistic insights into individual biomolecules but suffers from the limited photostability of conventional probes. Upconversion SPT (uSPT), employing lanthanide-doped nanoparticles (UCNPs) as probes, enables extended imaging durations; however, its broader application is hindered by the trade-off between nanoparticle size and brightness. To overcome this limitation, we designed ∼10 nm core-shell-shell UCNPs incorporating strontium-based alkaline-earth materials, achieving both compact dimensions and enhanced luminescence. These engineered UCNPs exhibit a 4.6-fold increase in brightness compared to that of conventional sodium-based counterparts. Using these probes, we tracked epidermal growth factor receptor (EGFR) dynamics and identified four distinct motion states (immobile, confined, free, and directed) highlighting the motional heterogeneity and reversible transitions of individual EGFR. Treatment with latrunculin A markedly altered these motional states, underscoring the critical role of the cytoskeleton in regulating EGFR dynamics. Collectively, our findings demonstrate the utility of uSPT for probing membrane protein behavior and dissecting complex cellular processes.","PeriodicalId":53,"journal":{"name":"Nano Letters","volume":"54 1","pages":""},"PeriodicalIF":10.8,"publicationDate":"2025-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144720124","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Vertically-Aligned Hybrid Plasmonic Nanoantennas with Tailored Visible-Light Responses. 具有定制可见光响应的垂直对准混合等离子体纳米天线。

IF 10.8 1区材料科学

Nano Letters Pub Date : 2025-07-29 DOI: 10.1021/acs.nanolett.5c02951

Qiling Liu,Bingyan Liu,Jiehao Kou,Yueqi Zhang,Jicheng Feng

{"title":"Vertically-Aligned Hybrid Plasmonic Nanoantennas with Tailored Visible-Light Responses.","authors":"Qiling Liu,Bingyan Liu,Jiehao Kou,Yueqi Zhang,Jicheng Feng","doi":"10.1021/acs.nanolett.5c02951","DOIUrl":"https://doi.org/10.1021/acs.nanolett.5c02951","url":null,"abstract":"Plasmonic nanoantennas enable unprecedented control of light-matter interactions at subwavelength scales, yet conventional fabrication methods limit designs to planar geometries with fixed resonant properties. Here, we demonstrate 3D-printed plasmonic nanoantenna arrays featuring record aspect ratios (15:1), miniaturized features (∼40 nm), and high density (1.0 × 106 mm-2) on silicon wafers. Our approach enables the single-step fabrication of vertically standing multimaterial nanoantennas with unified dimensional control, thereby overcoming challenges in 3D plasmonic integration. By engineering material composition and layer arrangement in hybrid architectures, one can tune localized surface plasmon resonances across the visible spectrum, while polarization-selective responses enable multifunctional operation. These 3D-printed nanoantennas eliminate parasitic substrate losses inherent to planar designs and exhibit broadband operation through complementary plasmonic modes. The combined capabilities of high-density integration, spectral tunability, and out-of-plane control position this platform as a practical tool in photodetection, solar-energy devices, and on-chip nanophotonics.","PeriodicalId":53,"journal":{"name":"Nano Letters","volume":"16 1","pages":""},"PeriodicalIF":10.8,"publicationDate":"2025-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144720125","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Highly Selective Electrochemical Semi-Hydrogenation Via a Palladium Membrane Reactor. 钯膜反应器的高选择性电化学半加氢。

IF 9.1 1区材料科学

Nano Letters Pub Date : 2025-07-28 DOI: 10.1021/acs.nanolett.5c03140

Minghao Sun, Jiewen Xiao, Yu Yang, Wei Zhang, Jialei Huang, Yawen Hao, Jinqi Xiong, Yaohui Shi, Yifan Zeng, Adnan Ozden, Tongliang Liu, Aoni Xu, Fengwang Li

{"title":"Highly Selective Electrochemical Semi-Hydrogenation Via a Palladium Membrane Reactor.","authors":"Minghao Sun, Jiewen Xiao, Yu Yang, Wei Zhang, Jialei Huang, Yawen Hao, Jinqi Xiong, Yaohui Shi, Yifan Zeng, Adnan Ozden, Tongliang Liu, Aoni Xu, Fengwang Li","doi":"10.1021/acs.nanolett.5c03140","DOIUrl":"https://doi.org/10.1021/acs.nanolett.5c03140","url":null,"abstract":"The selective semihydrogenation of alkynes is a critical industrial process, yet conventional palladium-based methods often suffer from overhydrogenation, leading to poor alkene selectivity. To address this, we report an electrochemical palladium membrane reactor that employs cysteamine, a simple aliphatic amino thiol, as a surface modifier. This system achieves >99% selectivity for the semihydrogenation of phenylacetylene to styrene at high current densities up to 300 mA/cm2, under ambient conditions and continuous electrolysis. Spectroscopic analysis and density functional theory calculations indicate that cysteamine forms a surface S2- adlayer, resulting in a competitive adsorption mechanism where the S2- species prevents styrene readsorption without impeding the initial hydrogenation of phenylacetylene. This work demonstrates a distinct and operationally simple strategy, using a specific sulfur modifier under continuous hydrogen flux, to achieve ultrahigh selectivity in a targeted alkyne semihydrogenation.","PeriodicalId":53,"journal":{"name":"Nano Letters","volume":" ","pages":""},"PeriodicalIF":9.1,"publicationDate":"2025-07-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144726017","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

On-Wire Halide Perovskite-Heterostructure-Based Photodetectors for Encrypted Communication. 用于加密通信的线上卤化物钙钛矿异质结构光电探测器。

IF 9.1 1区材料科学

Nano Letters Pub Date : 2025-07-28 DOI: 10.1021/acs.nanolett.5c03661

Qihang Lv, Xuyang Li, Zitong Xu, Xia Shen, Kin Man Yu, Johnny C Ho, Pengfei Guo

{"title":"On-Wire Halide Perovskite-Heterostructure-Based Photodetectors for Encrypted Communication.","authors":"Qihang Lv, Xuyang Li, Zitong Xu, Xia Shen, Kin Man Yu, Johnny C Ho, Pengfei Guo","doi":"10.1021/acs.nanolett.5c03661","DOIUrl":"https://doi.org/10.1021/acs.nanolett.5c03661","url":null,"abstract":"All-inorganic lead halide perovskites have generated considerable research interest due to their distinctive electronic and optoelectronic properties. In particular, their inherently soft crystal lattice allows greater tolerance to lattice mismatch, offering promising opportunities for heterostructure formation. Here, we report on a synthesis strategy of the on-wire CsPbCl3-CsPbI3 heterostructure via a magnetic-pulling chemical vapor deposition approach. Microstructural characterization reveals the abrupt mutation of compositions along the axial direction of the wire. Microphotoluminescence mapping clearly shows dual-wavelength emissions at 417 and 698 nm at the heterointerface. Optical waveguide investigation indicates that the nanowires have asymmetric transmission characteristics. Additionally, photodetectors based on these heterostructures exhibit superior photoelectric performance, including high responsivity and high detectivity, which not only exhibit a remarkable image-sensing capability but also establish encrypted imaging for innovative applications. All of these findings highlight the potential of combining on-wire band-gap engineering with advanced image techniques, providing insights into the development of next-generation secure information communications.","PeriodicalId":53,"journal":{"name":"Nano Letters","volume":" ","pages":""},"PeriodicalIF":9.1,"publicationDate":"2025-07-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144726025","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Breaking Electrochemical Scaling Laws in Atomically Engineered van der Waals Stack Multisite Edge Catalysts. 打破原子工程范德华堆多位点边缘催化剂的电化学结垢规律。

IF 9.1 1区材料科学

Nano Letters Pub Date : 2025-07-28 DOI: 10.1021/acs.nanolett.5c03027

Ding-Rui Chen, Jeyavelan Muthu, Jui-Teng Chang, Po-Han Lin, Yu-Xiang Chen, Farheen Khurshid, Hao-Ting Chin, Jing Kong, Mario Hofmann, Ya-Ping Hsieh

{"title":"Breaking Electrochemical Scaling Laws in Atomically Engineered van der Waals Stack Multisite Edge Catalysts.","authors":"Ding-Rui Chen, Jeyavelan Muthu, Jui-Teng Chang, Po-Han Lin, Yu-Xiang Chen, Farheen Khurshid, Hao-Ting Chin, Jing Kong, Mario Hofmann, Ya-Ping Hsieh","doi":"10.1021/acs.nanolett.5c03027","DOIUrl":"https://doi.org/10.1021/acs.nanolett.5c03027","url":null,"abstract":"Electrocatalysis is key to sustainable energy conversion and storage, but its efficiency is limited by scaling laws between reactant adsorption and desorption. Multisite catalysts promises to overcome these limits, but challenges in fabrication and characterization hinder its validation. We present a platform to study and optimize multisite electrocatalysis. Leveraging van der Waals stacked 2D materials, we create catalytic edge assemblies with precise activity variations, enabling atomically engineered site separation and interaction. This approach enables the identification of multisite catalysts that enhance the hydrogen evolution reaction (HER) beyond single-site Sabatier scaling. Altering atomic-scale site separations reverts the system to single-site mechanisms, highlighting the importance of intermediate transport. Direct evidence of intermediate exchange is provided by electrostatic control of the sites, supported by ab initio simulations. We further engineer bifunctional catalysts for the oxygen evolution reaction (OER) and HER, achieving superior neutral water splitting. These findings enable the catalytic cascade design and complex electrochemical synthesis.","PeriodicalId":53,"journal":{"name":"Nano Letters","volume":" ","pages":""},"PeriodicalIF":9.1,"publicationDate":"2025-07-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144726015","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Nanoscale Determination of the Metal-Insulator Transition in Intercalated Bulk VSe₂. 插层体VSe2中金属-绝缘体跃迁的纳米尺度测定。

IF 9.1 1区材料科学

Nano Letters Pub Date : 2025-07-28 DOI: 10.1021/acs.nanolett.5c02203

Wanru Ma, Ye Yang, Zuowei Liang, Ping Wu, Fanbao Meng, Zhenyu Wang, Xianhui Chen

{"title":"Nanoscale Determination of the Metal-Insulator Transition in Intercalated Bulk VSe2.","authors":"Wanru Ma, Ye Yang, Zuowei Liang, Ping Wu, Fanbao Meng, Zhenyu Wang, Xianhui Chen","doi":"10.1021/acs.nanolett.5c02203","DOIUrl":"https://doi.org/10.1021/acs.nanolett.5c02203","url":null,"abstract":"Two-dimensional (2D) materials provide unique opportunities to realize emergent phenomena by reducing their dimensionality. Using scanning tunneling microscopy combined with first-principles calculations, we determine an intriguing case of a metal-insulator transition (MIT) in a bulk compound, (TBA)0.3VSe2. Atomic-scale imaging reveals that the initial 4a0 × 4a0 charge density wave (CDW) order in 1T-VSe2 transforms to √7a0 × √3a0 ordering upon intercalation, which is associated with an insulating gap with a magnitude of up to approximately 115 meV. Our calculations reveal that this energy gap is highly tunable through electron doping introduced by the intercalant. Moreover, the robustness of the √7a0 × √3a0 CDW order against the Lifshitz transition points to the key role of electron-phonon interactions in stabilizing the CDW state. Our work clarifies a rare example of a CDW-driven MIT in quasi-2D materials and establishes cation intercalation as an effective pathway for tuning both the dimensionality and the carrier concentration without inducing strain or disorder.","PeriodicalId":53,"journal":{"name":"Nano Letters","volume":" ","pages":""},"PeriodicalIF":9.1,"publicationDate":"2025-07-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144726023","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Nanoscale Interlayer Engineering Enhances MXene-Based Flexible Pressure Sensor. 纳米层间工程增强基于mxene的柔性压力传感器。

IF 9.1 1区材料科学

Nano Letters Pub Date : 2025-07-28 DOI: 10.1021/acs.nanolett.5c01464

Yongfa Cheng, Mengjie Wang, Ning Ma, Ruohan Zhang, Zizhen Cai, Mingyang Liu, Zunyu Liu, Shuwen Yan, Jingshu Zhang, Yang Yue, Jianbo Wang, Weijie Liu, Luying Li

{"title":"Nanoscale Interlayer Engineering Enhances MXene-Based Flexible Pressure Sensor.","authors":"Yongfa Cheng, Mengjie Wang, Ning Ma, Ruohan Zhang, Zizhen Cai, Mingyang Liu, Zunyu Liu, Shuwen Yan, Jingshu Zhang, Yang Yue, Jianbo Wang, Weijie Liu, Luying Li","doi":"10.1021/acs.nanolett.5c01464","DOIUrl":"https://doi.org/10.1021/acs.nanolett.5c01464","url":null,"abstract":"MXene, an emerging two-dimensional nanomaterial, has attracted considerable interest due to its large surface area, excellent mechanical strength, and superior electrical and chemical properties, making it a strong candidate for high-performance pressure sensors. However, its inherent tendency to self-stack limits the tunability of its interlayer structure, which is critical for resistance-based sensing mechanisms. In this work, we successfully achieved continuous tuning of MXene's interlayer spacing, effectively enhancing the sensitivity and overall performance of the pressure sensor. The optimized sensor exhibited outstanding linear sensitivities of 145.5 kPa-1 in the low-pressure range (0-18 kPa) and 25.7 kPa-1 in the medium range (18-50 kPa), along with fast response and recovery times of 68 and 40 ms. Furthermore, it demonstrated excellent durability with stable performance over 10,000 loading/unloading cycles. The sensor was further applied to real-time monitoring of human motions, health signals, and human-machine interactions, highlighting its strong potential in next-generation wearable electronics and smart sensing applications.","PeriodicalId":53,"journal":{"name":"Nano Letters","volume":" ","pages":""},"PeriodicalIF":9.1,"publicationDate":"2025-07-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144726024","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Three-Dimensional Crystals Assembled by Linear Oligopeptoids. 由线性寡聚类组装的三维晶体。

IF 9.1 1区材料科学

Nano Letters Pub Date : 2025-07-28 DOI: 10.1021/acs.nanolett.5c02506

Yen Jea Lee, Peter Ercius, Xubo Luo, Glenn L Butterfoss, Tianyi Yu, Jian Zhang, David Prendergast, Andrew M Minor, Nitash P Balsara, Ronald N Zuckermann, Brooks A Abel, Xi Jiang

{"title":"Three-Dimensional Crystals Assembled by Linear Oligopeptoids.","authors":"Yen Jea Lee, Peter Ercius, Xubo Luo, Glenn L Butterfoss, Tianyi Yu, Jian Zhang, David Prendergast, Andrew M Minor, Nitash P Balsara, Ronald N Zuckermann, Brooks A Abel, Xi Jiang","doi":"10.1021/acs.nanolett.5c02506","DOIUrl":"https://doi.org/10.1021/acs.nanolett.5c02506","url":null,"abstract":"The rational construction of three-dimensional (3D) crystalline lattices from synthetic short-chain polymers remains a significant challenge due to the lack of inherent driving forces to enable crystal growth in all three dimensions. Here, we report the design of 3D peptoid crystals from linear peptoid hexamers, derived from amphiphilic diblock sequences that typically form crystalline two-dimensional (2D) nanosheets. By removing the amorphous domains and tuning the chain termini, crystalline lamellae up to 500 nm thick were achieved, far exceeding the thickness of typical nanosheets (on the order of a few nanometers). These 3D crystals form via the stacking of unit cells with lattice parameters similar to those in 2D nanosheets, where terminal groups, particularly compact C-terminal moieties, facilitate vertical growth and enhance crystallinity. This study highlights the importance of atomic precision in terminus chemistry for achieving long-range ordering and isotropic crystal growth in the design of macroscale crystals from oligomeric peptoids.","PeriodicalId":53,"journal":{"name":"Nano Letters","volume":" ","pages":""},"PeriodicalIF":9.1,"publicationDate":"2025-07-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144726027","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Silicon Nanomembrane-Based Synaptic Photodetectors Activated by Phosphorescent Stacks. 磷光堆叠激活的基于硅纳米膜的突触光电探测器。

IF 9.1 1区材料科学

Nano Letters Pub Date : 2025-07-28 DOI: 10.1021/acs.nanolett.5c02135

Xiaozhong Wu, Haonan Zhao, Zhongying Xue, Yongfeng Mei, Zengfeng Di, Qinglei Guo

{"title":"Silicon Nanomembrane-Based Synaptic Photodetectors Activated by Phosphorescent Stacks.","authors":"Xiaozhong Wu, Haonan Zhao, Zhongying Xue, Yongfeng Mei, Zengfeng Di, Qinglei Guo","doi":"10.1021/acs.nanolett.5c02135","DOIUrl":"https://doi.org/10.1021/acs.nanolett.5c02135","url":null,"abstract":"Neuromorphic computing that mimics the human brain to realize efficient parallel information processing is considered an important path to break the von Neumann bottleneck. Optoelectronic synaptic devices are of particular interest because of their critical role in the development of neuromorphic computing. This work presents a synaptic photodetector based on the hybrid structure from silicon nanomembranes and a phosphorescent film. The bright and lasting green afterglow of phosphorescent film can be absorbed by the underneath silicon nanomembranes, thus leading to persistent photoconduction. Consequently, synaptic functionalities including excitatory postsynaptic current (EPSC) and paired-pulse facilitation (PPF) are realized via the optical stimulations. Moreover, synaptic short-term and long-term plasticity can be selectively defined within the devices, which are further utilized to simulate age-related cognitive states and memory processes. These results add to the portfolio of optoelectronic synapse options in neuromorphic computing, artificial intelligence, and visual perception systems.","PeriodicalId":53,"journal":{"name":"Nano Letters","volume":" ","pages":""},"PeriodicalIF":9.1,"publicationDate":"2025-07-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144726026","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

In Situ Observation of Reaction-Intermediate-Mediated Dynamic Evolution of Step Sites on Au(200) Surface. Au（200）表面台阶位反应中间动态演化的原位观察

IF 9.1 1区材料科学

Nano Letters Pub Date : 2025-07-28 DOI: 10.1021/acs.nanolett.5c02364

Tianyu Mao, Wenjuan Yuan, Lin Gu, Yufeng Yang, Jieping Wang, Yongli Shen, Changhua An, Wei Xi

{"title":"In Situ Observation of Reaction-Intermediate-Mediated Dynamic Evolution of Step Sites on Au(200) Surface.","authors":"Tianyu Mao, Wenjuan Yuan, Lin Gu, Yufeng Yang, Jieping Wang, Yongli Shen, Changhua An, Wei Xi","doi":"10.1021/acs.nanolett.5c02364","DOIUrl":"https://doi.org/10.1021/acs.nanolett.5c02364","url":null,"abstract":"The surface structure of a metal catalyst is key to its catalytic activity and selectivity. Therefore, exploring its evolution during the catalytic reaction is vital. This study investigated the dynamic evolution of step sites on a nanoporous Au(200) surface during methane pyrolysis through in situ gas-phase transmission electron microscopy. The results indicated that the step structure migrated laterally on the surface during methane pyrolysis through a continuous process of disappearance and reconstruction. First-principles calculations revealed that adsorbed carbon species weakened the interactions between the Au atoms and their neighboring Au atoms, promoting their migration and release, which reconstructed the atomic structure of the step edge on the Au(200) surface. This study revealed profound insights into the mechanisms by which reaction intermediates induce the dynamic evolution of catalytic active sites during heterogeneous catalytic reactions. These findings provide a theoretical basis for designing and developing next-generation high-efficiency catalysts.","PeriodicalId":53,"journal":{"name":"Nano Letters","volume":" ","pages":""},"PeriodicalIF":9.1,"publicationDate":"2025-07-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144726018","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0