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典型文献
A novel 2D graphene oxide modified α-AgVO3 nanorods:Design,fabrication,and enhanced visible-light photocatalytic performance
文献摘要:
Silver vanadates are promising visible-light-responded photocatalysts with suitable bandgap for solar absorption.However,the easy recombination of photogenerated carriers limits their performance.To overcome this obstacle,a novel 2D graphene oxide(GO)modified α-AgVO3 nanorods(GO/α-AgVO3)photocatalyst was designed herein to improve the separation of photocarriers.The GO/α-AgVO3 was fabricated through a facile in-situ coprecipitation method at room temperature.It was found that the as-prepared 0.5 wt%GO/α-AgVO3 exhibited the most excellent performance for rhodamine B(RhB)decomposition,with an apparent reaction rate constant 18 times higher than that of pure α-AgVO3 under visible-light irradiation.In light of the first-principles calculations and the hetero junction analysis,the mechanism underpinned the enhanced photocatalytic performance was proposed.The enhanced photocatalytic performance was ascribed to the appropriate bandgap ofα-AgVO3 nanorods for visible-light response and efficient separation of photocarriers through GO nanosheets.This work demonstrates the feasibility of overcoming the easy recombination of photogenerated carriers and provides a valuable GO/α-AgVO3 photocatalyst for pollutant degradation.
文献关键词:
作者姓名:
Jian WU;Liangyu LI;Xing-ao LI;Xin MIN;Yan XING
作者机构:
New Energy Technology Engineering Lab of Jiangsu Province,School of Science,Nanjing University of Posts&Telecommunications(NUPT),Nanjing 210023,China;Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes,National Laboratory of Mineral Materials,School of Materials Science and Technology,China University of Geosciences(Beijing),Beijing 100083,China
引用格式:
[1]Jian WU;Liangyu LI;Xing-ao LI;Xin MIN;Yan XING-.A novel 2D graphene oxide modified α-AgVO3 nanorods:Design,fabrication,and enhanced visible-light photocatalytic performance)[J].先进陶瓷(英文版),2022(02):308-320
A类:
AgVO3,vanadates
B类:
novel,2D,graphene,oxide,modified,nanorods,Design,fabrication,enhanced,visible,light,photocatalytic,performance,Silver,promising,responded,photocatalysts,suitable,bandgap,solar,absorption,However,easy,recombination,photogenerated,limits,their,To,overcome,this,obstacle,was,designed,herein,improve,separation,photocarriers,fabricated,through,facile,situ,coprecipitation,method,room,temperature,It,found,that,prepared,wt,exhibited,most,excellent,rhodamine,RhB,decomposition,apparent,reaction,constant,times,higher,than,pure,irradiation,In,first,principles,calculations,hetero,junction,analysis,mechanism,underpinned,proposed,ascribed,appropriate,response,efficient,nanosheets,This,work,demonstrates,feasibility,overcoming,provides,valuable,pollutant,degradation
AB值:
0.532669
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