journal article·2020-01-15

One-Step Sublimation and Epitaxial Growth of CdS-Cd Heterogeneous Nanoparticles on S-Doped MoO2 Nanosheets for Efficient Visible Light-Driven Photocatalytic H2 Generation

Hui Liu, Jiayuan Yu, Yuke Chen, Ziqian Zhou, Guowei Xiong, Lili Zeng, Haidong Li, Zhen Liu, Lili Zhao, Jingang Wang, Benli Chu, Hong Liu, Weijia Zhou

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Abstract

As a green, pollution-free, and renewable clean energy source, photocatalytic H2 production has attracted great attention. Here, epitaxial growth of pyramidal CdS-Cd nanoparticles on S-doped MoO2 nanosheets (CdS-Cd/S-MoO2) was prepared by one-step co-sublimation of CdS and MoO3. The photogenerated electrons of CdS as a photocatalyst are transferred to Cd and S-MoO2 as co-catalysts for H2 production, which is observed by surface photovoltage (SPV) under visible light irradiation. At last, the obtained CdS-Cd/S-MoO2 presented an efficient photocatalytic performance under the visible light (>420 nm) with a prominent H2 generation rate of as high as 24.98 μmol h–1 mg–1, which is 11 times higher than that of the CdS-Cd nanoparticles (2.26 μmol h–1 mg–1), and it is superior than that of the CdS (1.51 μmol h–1 mg–1).
Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: Advanced Photocatalysis Techniques · Copper-based nanomaterials and applications · Gas Sensing Nanomaterials and Sensors

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

Affiliations

School of Physics and Telecommunication Engineering, South China Normal University, Guangzhou Higher Education Mega Center, Guangzhou, Guangdong 510006, P. R. China

Collaborative Innovation Center of Technology and Equipment for Biological Diagnosis and Therapy in Universities of Shandong, Institute for Advanced Interdisciplinary Research (iAIR), University of Jinan, Jinan 250022, P. R. China

Guangzhou Key Laboratory for Surface Chemistry of Energy Materials, New Energy Research Institute, School of Environment and Energy, South China University of Technology, Guangzhou Higher Education Mega Center, Guangzhou, Guangdong 510006, P. R. China

College of Materials Science and Engineering, Qingdao University, Qingdao 266071, P. R. China

State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, P. R. China

Funding

Ministry of Education of the People's Republic of China · National Natural Science Foundation of China · Guangdong Innovative and Entrepreneurial Research Team Program · Guangdong Province · Guangdong Natural Science Funds for Distinguished Young Scholar

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