A new mechanism for visible light photocatalysis: generation of intraband by adsorbed organic compounds with wide-bandgap semiconductors

Author:

Wang Teng1,Cao Jiachun12,Li Juan2,Li Juntian2,Li Didi1,Wang Shaobin3ORCID,Ao Zhimin2ORCID

Affiliation:

1. Guangdong-Hong Kong-Macao Joint Laboratory for Contaminants Exposure and Health, Guangdong Key Laboratory of Environmental Catalysis and Health Risk Control, Key Laboratory for City Cluster Environmental Safety and Green Development of the Ministry of Education, Institute of Environmental Health and Pollution Control, School of Environmental Science and Engineering, Guangdong University of Technology, Guangzhou 510006, China

2. Advanced Interdisciplinary Institute of Environment and Ecology, Guangdong Provincial Key Laboratory of Wastewater Information Analysis and Early Warning, Beijing Normal University, Zhuhai 519087, China

3. School of Chemical Engineering, The University of Adelaide, Adelaide, SA 5005, Australia

Abstract

A novel mechanism has been revealed by the study that the adsorption of VOC molecules on the surface of semiconductors formed midgap states between the ground state of the VOCs and the conduction band of the semiconductor.

Funder

Fundamental Research Funds for the Central Universities

National Key Research and Development Program of China

National Natural Science Foundation of China

Publisher

Royal Society of Chemistry (RSC)

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