中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Photocatalytic CO2 reduction over platinum modified hexagonal tungsten oxide: Effects of platinum on forward and back reactions

文献类型:期刊论文

作者Wang, HP; Zhang, L; Zhou, YY; Qiao, SM; Liu, XC; Wang, WZ
刊名APPLIED CATALYSIS B-ENVIRONMENTAL
出版日期2020-04-01
ISSN号0926-3373
DOI10.1016/j.apcatb.2019.118331
文献子类Article
英文摘要Back reaction is an important factor hindering the efficiency of photocatalytic reaction in suspension system. Pt is an excellent cocatalyst that is widely used in photocatalytic CO2 reduction, however, its effects on the forward and back reactions have not been clearly clarified. Here, Pt modified hexagonal tungsten oxide (h-WO3) is prepared and the role of Pt is investigated based on the performance of CO2 reduction and its back reactions behavior. Appropriate amount of Pt modification proves not only to improve charge separation and transfer efficiency, but also to enhance CO2 adsorption and activation ability. Therefore, Pt modified h-WO3 promotes forward reactions of photocatalytic CO2 reduction to CO and CH4. Furthermore, the back reactions of CO* and CH4 oxidation to CO2 are confirmed and accelerated with excess Pt modified on h-WPO3, which limit the further improvement of CO2 reduction performance. The enhanced CO adsorption strength and electronic localization with excess Pt modification may contribute to the accelerated back reactions.
WOS关键词CARBON-DIOXIDE ; HYDROGEN EVOLUTION ; TIO2 ; WO3 ; PHOTOREDUCTION ; CHALLENGES ; CATALYSTS ; METHANE ; CH4 ; OPPORTUNITIES
WOS研究方向Chemistry ; Engineering
语种英语
出版者ELSEVIER
源URL[http://ir.sic.ac.cn/handle/331005/28200]  
专题中国科学院上海硅酸盐研究所
推荐引用方式
GB/T 7714
Wang, HP,Zhang, L,Zhou, YY,et al. Photocatalytic CO2 reduction over platinum modified hexagonal tungsten oxide: Effects of platinum on forward and back reactions[J]. APPLIED CATALYSIS B-ENVIRONMENTAL,2020.
APA Wang, HP,Zhang, L,Zhou, YY,Qiao, SM,Liu, XC,&Wang, WZ.(2020).Photocatalytic CO2 reduction over platinum modified hexagonal tungsten oxide: Effects of platinum on forward and back reactions.APPLIED CATALYSIS B-ENVIRONMENTAL.
MLA Wang, HP,et al."Photocatalytic CO2 reduction over platinum modified hexagonal tungsten oxide: Effects of platinum on forward and back reactions".APPLIED CATALYSIS B-ENVIRONMENTAL (2020).

入库方式: OAI收割

来源:上海硅酸盐研究所

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