Improved photocatalytic NO removal activity of SrTiO3 by using SrCO3 as a new co-catalyst
Jin, S (Jin, Si); Dong, GH (Dong, Guohui); Luo, JM (Luo, Jianmin); Ma, FY (Ma, Fengyun); Wang, CY (Wang, Chuanyi)
2018
发表期刊APPLIED CATALYSIS B-ENVIRONMENTAL
ISSN0926-3373
卷号227期号:7页码:24-34
摘要

In this study, SrTiO3 catalyst decorated with SrCO3 was prepared by one step in-situ pyrolysis and was used for the photocatalytic removal of NO. The presence of SrCO3 not only improved the photocatalytic activity of SrTiO3 but also inhibited the deactivation of SrTiO3 during NO removal. In photocatalytic process, the photogenerated electrons in CB of SrTiO3 could migrate to the CB of SrCO3. Meanwhile, strong O-2 adsorption on the SrCO3 surface would increase the production of O-center dot(2)-. Moreover, SrCO3 could increase the surface acidity of SrTiO3, which would increase the NO adsorption and facilitate the oxidation of NO. The experimental data suggested that SrCO3 functions as surface deposited noble metals without the shortcomings caused by noble metals. Overall, the prepared SrCO3 looks promising as environmentally friendly and economic substitute to noble metals.

关键词No Removal Photocatalysis Srtio3 Co-catalyst
DOI10.1016/j.apcatb.2018.01.020
收录类别SCI
WOS记录号WOS:000428491000003
引用统计
文献类型期刊论文
条目标识符http://ir.xjipc.cas.cn/handle/365002/5254
专题中国科学院特殊环境功能材料与器件重点试验室
作者单位1.Xinjiang Univ, Coll Chem & Chem Engn, Key Lab Coal Cleaning Convers & Chem Engn Proc, Urumqi 830046, Xinjiang Uyghur, Peoples R China
2.Chinese Acad Sci, Xinjiang Tech Inst Phys & Chem, Lab Environm Sci & Technol, Key Lab Funct Mat & Devices Special Environm, Urumqi 8300, Peoples R China
3.Shaanxi Univ Sci & Technol, Sch Environm Sci & Engn, Xian 710021, Shaanxi, Peoples R China
4.Xinjiang Uygur Autonomous Reg Acad Instrument Ana, Urumqi 830011, Peoples R China
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Jin, S ,Dong, GH ,Luo, JM ,et al. Improved photocatalytic NO removal activity of SrTiO3 by using SrCO3 as a new co-catalyst[J]. APPLIED CATALYSIS B-ENVIRONMENTAL,2018,227(7):24-34.
APA Jin, S ,Dong, GH ,Luo, JM ,Ma, FY ,&Wang, CY .(2018).Improved photocatalytic NO removal activity of SrTiO3 by using SrCO3 as a new co-catalyst.APPLIED CATALYSIS B-ENVIRONMENTAL,227(7),24-34.
MLA Jin, S ,et al."Improved photocatalytic NO removal activity of SrTiO3 by using SrCO3 as a new co-catalyst".APPLIED CATALYSIS B-ENVIRONMENTAL 227.7(2018):24-34.
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