Photocatalytic NO removal on BiOI surface: The change from nonselective oxidation to selective oxidation
Dong, Guohui1,2,4; Ho, Wingkei1,2,3; Zhang, Lizhi4
2015-06-01
发表期刊APPLIED CATALYSIS B-ENVIRONMENTAL
ISSN0926-3373
卷号168页码:490-496
文章类型Article
摘要

Numerous publications have investigated nitric oxide (NO) removal through semiconductor photocatalytic technology. However, few reports are available on the products and mechanisms of the photocatalytic NO removal process. In this study, BiOI hollow microspheres are synthesized for the photocatalytic removal of NO under the visible light irradiation. Results show that NO removal product and NO removal mechanism could interfere with each other. NO removal process could be changed from nonselective oxidation to selective oxidation as the irradiation time increases. Meanwhile, the product of NO removal could be changed from nitrate (NO3-) to nitrogen dioxide (NO2). These interesting changes were attributed to the generated NO3-, which was produced from the reactions between NO and (OH)-O-center dot. The generated NO3- could inhibit (OH)-O-center dot generation, thus leading to a change in the NO removal products and NO removal mechanism. This study can improve our understanding of NO removal on the photocatalyst surface and serve as a guide in using photocatalysts for NO removal. (C) 2015 Elsevier B.V. All rights reserved.

WOS标题词Science & Technology ; Physical Sciences ; Technology
DOI10.1016/j.apcatb.2015.01.014
关键词[WOS]Graphitic Carbon Nitride ; Visible-light ; Air Purification ; Indoor Air ; Oxide ; Temperature ; Reduction ; G-c3n4 ; Tio2
收录类别SCI
语种英语
WOS研究方向Chemistry ; Engineering
WOS类目Chemistry, Physical ; Engineering, Environmental ; Engineering, Chemical
WOS记录号WOS:000352747200054
出版者ELSEVIER SCIENCE BV
引用统计
被引频次:39[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/9366
专题黄土与第四纪地质国家重点实验室(2010~)
通讯作者Ho, Wingkei
作者单位1.Hong Kong Inst Educ, Dept Sci & Environm Studies, Tai Po, Hong Kong, Peoples R China
2.Hong Kong Inst Educ, Ctr Educ Environm Sustainabil, Tai Po, Hong Kong, Peoples R China
3.Chinese Acad Sci, Inst Earth Environm, Beijing 100864, Peoples R China
4.Cent China Normal Univ, Coll Chem, Key Lab Pesticide & Chem Biol, Minist Educ, Wuhan 430079, Peoples R China
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Dong, Guohui,Ho, Wingkei,Zhang, Lizhi. Photocatalytic NO removal on BiOI surface: The change from nonselective oxidation to selective oxidation[J]. APPLIED CATALYSIS B-ENVIRONMENTAL,2015,168:490-496.
APA Dong, Guohui,Ho, Wingkei,&Zhang, Lizhi.(2015).Photocatalytic NO removal on BiOI surface: The change from nonselective oxidation to selective oxidation.APPLIED CATALYSIS B-ENVIRONMENTAL,168,490-496.
MLA Dong, Guohui,et al."Photocatalytic NO removal on BiOI surface: The change from nonselective oxidation to selective oxidation".APPLIED CATALYSIS B-ENVIRONMENTAL 168(2015):490-496.
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