Study of the factors influencing the photo-stability of Ag@AgBr plasmonic photocatalyst

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• 作者：Qingsong Tao ; Fan Yang ; Fei Teng ; Peiyi Wu…
• 关键词：Ag@AgBr photocatalyst ; Photo ; stability ; Light source ; Electron/hole quencher ; Dye sensitizer
• 刊名：Research on Chemical Intermediates
• 出版年：2015
• 出版时间：October 2015
• 年：2015
• 卷：41
• 期：10
• 页码：7285-7297
• 全文大小：1,371 KB
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• 作者单位：Qingsong Tao (1)
  Fan Yang (1)
  Fei Teng (2)
  Peiyi Wu (1)
  Baozhu Tian (1)
  Jinlong Zhang (1)
  
  1. Key Lab for Advanced Materials and Institute of Fine Chemicals, East China University of Science and Technology, 130 Meilong Road, Shanghai, 200237, People鈥檚 Republic of China
  2. Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control, School of Environmental Sciences and Engineering, Nanjing University of Information Science and Technology, 219 Ningliu Road, Nanjing, 210044, People鈥檚 Republic of China
  
• 刊物类别：Chemistry and Materials Science
• 刊物主题：Chemistry
  Catalysis
  Physical Chemistry
  Inorganic Chemistry
  
• 出版者：Springer Netherlands
• ISSN：1568-5675

文摘

The factors that influence the photo-stability of Ag@AgBr plasmonic photocatalyst, such as light resource, electron/hole quencher, dye sensitizer, and atmosphere environment, were investigated in detail. It was revealed that Ag@AgBr can remain stable under weak light sources while it will become unstable under strong light sources. Electron quenchers are favorable to improving the stability of Ag@AgBr while hole quenchers do the opposite. Acting as a sensitizer, acid orange 7 dye is detrimental to the stability of Ag@AgBr. As for the atmospheric environment, air and oxygen-rich atmospheres are more favorable for keeping the stability of Ag@AgBr than vacuum atmosphere. Keywords Ag@AgBr photocatalyst Photo-stability Light source Electron/hole quencher Dye sensitizer