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典型文献
Dual Z-scheme Bi3TaO7/Bi2S3/SnS2 photocatalyst with high performance for Cr(Ⅵ)reduction and TC degradation under visible light irradiation
文献摘要:
Ternary direct dual Z-scheme Bi3TTaO7/Bi2S3/SnS2 photocatalyst was successfully prepared by hydrothermal method.The composite photocatalysts exhibited high photocatalytic performance on both Cr(Ⅵ)reduction and tetracycline(TC)degradation under the irradiation of visible light.The results manifested that the photogenerated charge transfer efficiency was improved after forming the dual Z-scheme heterojunction.As a result,the composite catalysts exhibited higher photocat-alytic degradation efficiency than the corresponding single samples.The apparent rate constant(k)value of the best sample BBS-3 for TC degradation was 0.0403 min-1,which was 40 times,8 times,and 18 times higher than that of single samples.While the k value of BBS-3 for the Cr(Ⅵ)reduction was 0.0249 min-1,it was about 23 times,7 times,and 18 times that of single catalysts.Recycle experiments indicated that the BBS-3 had good photocat-alytic stability.Meanwhile,the possible mechanism on Cr(Ⅵ)reduction and TC degradation was proposed based on the experimental results.
文献关键词:
作者姓名:
Jing-Jing Xu;Hao-Yu Gu;Min-Dong Chen;Xue-Ping Li;Hong-Wen Zhao;Hong-Bin Yang
作者机构:
Key Laboratory of Atmospheric Environment Monitoring and Pollution Control,Nanjing 210044,China;Collaborative Innovation Center of Atmospheric Environment and Equipment Technology,Nanjing 210044,China;Jiangsu Engineering Technology Research Center of Environmental Cleaning Materials,Nanjing 210044,China;School of Environmental Science and Engineering,Nanjing University of Information Science and Technology,Nanjing 210044,China;Nanyang Technological University,Singapore 639798,Singapore
引用格式:
[1]Jing-Jing Xu;Hao-Yu Gu;Min-Dong Chen;Xue-Ping Li;Hong-Wen Zhao;Hong-Bin Yang-.Dual Z-scheme Bi3TaO7/Bi2S3/SnS2 photocatalyst with high performance for Cr(Ⅵ)reduction and TC degradation under visible light irradiation)[J].稀有金属(英文版),2022(07):2417-2428
A类:
Bi3TTaO7
B类:
Dual,scheme,Bi3TaO7,Bi2S3,SnS2,performance,reduction,degradation,under,visible,light,irradiation,Ternary,direct,dual,was,successfully,prepared,by,hydrothermal,method,composite,photocatalysts,exhibited,photocatalytic,both,tetracycline,results,manifested,that,photogenerated,charge,transfer,efficiency,improved,after,forming,heterojunction,higher,than,corresponding,single,samples,apparent,constant,value,best,BBS,which,times,While,about,Recycle,experiments,indicated,had,good,stability,Meanwhile,possible,mechanism,proposed,experimental
AB值:
0.448558
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