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作者机构:Global Innovative Center of Advanced NanomaterialsCollege of EngineeringScience and EnvironmentUniversity of NewcastleCallaghanNSW 2308Australia EnergyWaterand Environment LabCollege of Humanities and SciencesPrince Sultan University11586 RiyadhSaudi Arabia School of PhysicsUniversity of SydneySydneyNSW 2000Australia Institute of Chemical and Engineering SciencesASTARSingapore 627833Singapore Singapore Synchrotron Light SourceNational University of SingaporeSingapore 117603Singapore Institute for Frontier MaterialsDeakin UniversityWaurn PondsVictoria 3216Australia Guangdong Provincial Key Laboratory of Natural Rubber ProcessingAgricultural Products Processing Research InstituteChinese Academy of Tropical Agricultural SciencesZhanjiang 524001People’s Republic of China College of Chemistry Environmental EngineeringShenzhen UniversityShenzhen 518060GuangdongPeople’s Republic of China Research Initiative for Supra-Materials Interdisciplinary Cluster for Cutting Edge ResearchShinshu University4-17-1WakasatoNagano-shiNagano 380-8533Japan School of PhysicsUniversity of Electronic Science and Technology of ChinaChengdu 610054People’s Republic of China Department of Chemical Engineering and Interdisciplinary Research Center for Hydrogen Technologies and Carbon Management(IRC-HTCM)King Fahd University of Petroleum and Minerals31261 DhahranSaudi Arabia
出 版 物:《Nano-Micro Letters》 (纳微快报(英文版))
年 卷 期:2025年第17卷第5期
页 面:525-539页
核心收录:
学科分类:081702[工学-化学工艺] 081705[工学-工业催化] 08[工学] 0817[工学-化学工程与技术] 080502[工学-材料学] 0805[工学-材料科学与工程(可授工学、理学学位)]
基 金:the final support of ARC DP220103045 the startup support of KFUPM Prince Sultan University for their support
主 题:MXene Hydrogen evolution reaction Single atom Two-dimensional nanosheets Density functional theory
摘 要:Transition metal carbides,known as MXenes,particularly Ti_(3)C_(2)T_(x),have been extensively explored as promising materials for electrochemical ***,transition metal carbonitride MXenes with high nitrogen content for electrochemical reactions are rarely *** this work,transition metal carbonitride MXenes incorporated with Pt-based electrocatalysts,ranging from single atoms to sub-nanometer dimensions,are explored for hydrogen evolution reaction(HER).The fabricated Pt clusters/MXene catalyst exhibits superior HER performance compared to the single-atom-incorporated MXene and commercial Pt/C catalyst in both acidic and alkaline *** optimized sample shows low overpotentials of 28,65,and 154 mV at a current densities of 10,100,and 500 m A cm^(-2),a small Tafel slope of 29 m V dec^(-1),a high mass activity of 1203 mA mgPt^(-1)and an excellent turnover frequency of 6.1 s^(-1)in the acidic *** functional theory calculations indicate that this high performance can be attributed to the enhanced active sites,increased surface functional groups,faster charge transfer dynamics,and stronger electronic interaction between Pt and MXene,resulting in optimized hydrogen absorption/desorption toward better *** work demonstrates that MXenes with a high content of nitrogen may be promising candidates for various catalytic reactions by incorporating single atoms or clusters.