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典型文献
One-Pot Synthesis of Bismuth Basic Nitrate-Bi2MoO6 Photocatalyst for Selective Oxidation of Toluene
文献摘要:
The key issues to improve the performance of photocatalysts for selective oxida-tion of toluene are promoting the migration and separation of charge carrier,and enhancing the generation of active oxygen species.It is known that the construction of compact hetero-junction is an efficient protocol to inhibit photogenerated electron-hole recombination.In this work,a 2D-2D[Bi6O6(OH)3](NO3)3·1.5H2O-Bi2MoO6(denoted as BBN-BMO)composite hetero-junction has been prepared by one-step hydrothermal method for the first time.The tetragonal phase BBN in the composite plays the role of transferring electrons from the visible light acti-vated orthorhombic phase BMO and promoting the generation of active·O2-the holes left in BMO are used to activate toluene and produce benzyl radical,thus greatly improving the photo-catalytic performance for selective oxidation of toluene.The toluene conversion rate of BBN-BMO is 3466 μmol g-1·h-1,which is three times that of pure BMO.The selectivity to benzalde-hyde is 94.2%.In addition,reasonable mechanism has been speculated based on a series of control experiments.
文献关键词:
作者姓名:
Tian-Qin Zeng;Lang Chen;Bing-Hao Wang;Sheng Tian;Zhang-Jun Bai;Xiong Wang;Jun-Kang Guo;Shuang-Feng Yin
作者机构:
Advanced Catalytic Engineering Research Center of the Ministry of Education,College of Chemistry and Chemical Engineering,State Key Laboratory of Chemo/Biosensing and Chemometrics,Hunan University,Changsha 410082,China;College of Chemistry and Chemical Engineering,Jishou University,Jishou 416000,China
文献出处:
引用格式:
[1]Tian-Qin Zeng;Lang Chen;Bing-Hao Wang;Sheng Tian;Zhang-Jun Bai;Xiong Wang;Jun-Kang Guo;Shuang-Feng Yin-.One-Pot Synthesis of Bismuth Basic Nitrate-Bi2MoO6 Photocatalyst for Selective Oxidation of Toluene)[J].结构化学,2022(12):25-32
A类:
Photocatalyst,Toluene,Bi6O6,benzalde
B类:
One,Pot,Synthesis,Bismuth,Basic,Nitrate,Bi2MoO6,Selective,Oxidation,key,issues,improve,performance,photocatalysts,selective,toluene,promoting,migration,separation,charge,carrier,enhancing,generation,active,oxygen,species,It,known,that,construction,compact,hetero,junction,efficient,protocol,inhibit,photogenerated,recombination,In,this,work,2D,NO3,5H2O,denoted,BBN,BMO,composite,been,prepared,by,one,step,hydrothermal,method,first,tetragonal,phase,plays,role,transferring,electrons,from,visible,light,vated,orthorhombic,O2,holes,left,used,activate,produce,benzyl,radical,thus,greatly,improving,catalytic,oxidation,conversion,which,three,times,pure,selectivity,hyde,addition,reasonable,mechanism,speculated,series,control,experiments
AB值:
0.57756
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