journal article·2020-09-25

Graphene Oxide-BiOCl Nanoparticle Composites as Catalysts for Oxidation of Volatile Organic Compounds in Nonthermal Plasmas

Wenjie Wu, Yenan Song, Liang Bai, Zaizhou Chen, Haitao Sun, Guangyin Zhen, Runze Zhan, Yan Shen, Junchao Qian, Qinghong Yuan, Zhuo Sun

ACS Applied Nano Materials· Volume 3· Issue 9
Publisher page

Abstract

The construction of a nonthermal plasma (NTP)-catalysts system is an efficient strategy for purifying organic waste gas. Up to now, developing stable, efficient, and environmental-friendly catalysts for NTP facility was still a challenge. Here, we present a novel graphene oxide (GO)-BiOCl nanocomposite as a nanocatalyst applied in a NTP system for the degradation of acetone. It is found that the selective crystal orientation deposition of BiOCl(001) on GO can greatly enhance the oxidation rate to 89.94%. Three effects contribute to this high catalytic activity: (1) BiOCl nanosheets boost strong attenuation capability for high-energy electrons; hence, they may be an excellent complement for utilizing abundant of energetic electrons offered by NTP. (2) GO works as a bridge to accelerate the migration of excited electrons and reduce the probability of quenching. (3) The interface design of GO-BiOCl(001) ensures the maximum electron-transfer kinetics by increasing the transfer rate and shortening the migration distance. This work provides important insights for exploiting effective catalysts for NTP system and promoting the performance of the whole system for environmental remediation.
Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: Catalytic Processes in Materials Science · Advanced Photocatalysis Techniques · Electronic and Structural Properties of Oxides

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Engineering Research Center for Nanophotonics and Advanced Instrument, Ministry of Education, School of Physics and Electronic Science, East China Normal University, Shanghai 200241, China

Joint Institute of Advanced Science and Technology, East China Normal University, Shanghai 200241, China

State Key Laboratory of Precision Spectroscopy, School of Physics and Electronic Science, East China Normal University, Shanghai 200241, China

Shanghai Key Lab for Urban Ecological Processes and Eco-Restoration, School of Ecological and Environmental Sciences, East China Normal University, Shanghai 200241, China

State Key Laboratory of Optoelectronic Materials and Technologies, Guangdong Province Key Laboratory of Display Material and Technology, School of Electronics and Information Technology, Sun Yat-sen University, Guangzhou 510275, China

Jiangsu Key Laboratory for Environment Functional Materials, Suzhou University of Science and Technology, Suzhou 215009, China

Funding

Guangdong Provincial Key Laboratory of Display Materials and Technology, Sun Yat-sen University · Fundamental Research Funds for the Central Universities, Ministry of Education, the People's Republic of China

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