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典型文献
Cu-clusters nodes of 2D metal-organic frameworks as a cost-effective noble-metal-free cocatalyst with high atom-utilization efficiency for efficient photocatalytic hydrogen evolution
文献摘要:
Several 2D nanosheets of porphyrin MOFs with various transition-metal clusters as metal nodes were prepared via a simple solvothermal method to apply in the photocatalytic hydrogen evolution,in which the hydrogen production rate of the optimal NS-Cu was as high as 15.39 mmol g-1 h-1.A series of ex-perimental technologies especially cyclic voltammetry(CV)and Mott-Schottky(M-S)had been adopted to investigate the charge-transfer property of photo-generated electron-hole pairs,it was found that the uniformly dispersed Cu-clusters nodes in the original 2D MOFs played a key role in the electron transfer process,that was,the photo-generated electron transferred from excited state eosin-Y to the Cu-clusters nodes for the efficient hydrogen evolution.The excellent photocatalytic performance could be attributed to the reversible oxidation--reduction process of CuⅡ/CuⅠ,which had excellent electron-receiving and electron-outputting capabilities.Our results provided a novel avenue to adapt the uniformly dispersed metal nodes in the original MOFs as cost-effective noble-metal-free cocatalysts with very high atom-utilization efficiency to improve the photocatalytic hydrogen evolution performance in dye-sensitized sys-tem.
文献关键词:
作者姓名:
Guangmei Jiang;Xingyan Liu;Huilong Jian;Peng Lu;Jinwu Bai;Guizhi Zhang;Wen Yun;Siqi Li;Youzhou He
作者机构:
Chongqing Key Laboratory of Catalysis and New Environmental Materials,College of Environment and Resources,Chongqing Technology and Business University,Chongqing 400067,China;State Key Joint Laboratory of Environment Simulation and Pollution Control,School of Environment,Tsinghua University,Beijing 100084,China
引用格式:
[1]Guangmei Jiang;Xingyan Liu;Huilong Jian;Peng Lu;Jinwu Bai;Guizhi Zhang;Wen Yun;Siqi Li;Youzhou He-.Cu-clusters nodes of 2D metal-organic frameworks as a cost-effective noble-metal-free cocatalyst with high atom-utilization efficiency for efficient photocatalytic hydrogen evolution)[J].中国化学快报(英文版),2022(06):3049-3052
A类:
B类:
clusters,nodes,2D,metal,organic,frameworks,cost,effective,noble,free,high,atom,utilization,efficiency,efficient,photocatalytic,hydrogen,evolution,Several,nanosheets,porphyrin,MOFs,various,transition,were,prepared,via,simple,solvothermal,method,apply,which,production,optimal,NS,was,series,perimental,technologies,especially,cyclic,voltammetry,CV,Mott,Schottky,had,been,adopted,investigate,charge,property,generated,electron,hole,pairs,found,that,uniformly,dispersed,original,played,key,role,process,transferred,from,excited,state,eosin,excellent,performance,could,attributed,reversible,oxidation,reduction,receiving,outputting,capabilities,Our,results,provided,novel,avenue,adapt,cocatalysts,very,improve,dye,sensitized,sys,tem
AB值:
0.526702
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