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journal article·2020-10-01Open access

The role of luminescence self-absorption in photocatalytic properties of self-assembled ZnS nanocrystals

J. Zhang, L. Yang, Y. Cui, Y. L. Tang, J. Y. Xu, Z. C. Su, X. Z. Lao, Y. T. Bao, X. R. Wang, S. J. Xu

AIP Advances· Volume 10· Issue 10
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Source abstract

Abstract

In this work, we used a template-free method to synthesize zinc sulfide (ZnS) materials. The photocatalytic performances of the samples were evaluated, and the physical natures of the ZnS nanocrystals were determined by photoluminescence (PL). Interestingly, the temperature-dependent PL variations of the samples were very different in connection with the synthesis condition. Combined with a series of catalytic experiments, it suggested that the intrinsic self-absorption of PL and photon recycling play key roles in photocatalysis. This work gives a new idea for understanding the photocatalysis and presents a new strategy to design ZnS related photocatalysts for further applications.
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Research context

NanomaterialsCatalysis & surfaces

OpenAlex topics: Quantum Dots Synthesis And Properties · Advanced Photocatalysis Techniques · Chalcogenide Semiconductor Thin Films

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

Affiliations

Faculty of Mathematics and Physics, Huaiyin Institute of Technology 1 , Huaian 223003, China

Institute for Advanced Materials, Hubei Key Laboratory of Pollutant Analysis and Reuse Technology, Hubei Normal University 2 , Huangshi 435002, China

Department of Physics, Shenzhen Institute of Research and Innovation (HKU-SIRI), The University of Hong Kong 3 , Pokfulam Road, Hong Kong, China

Funding

Program of Hubei Key Laboratory of Pollutant Analysis and Reuse Technology · Natural Science Foundation of the Higher Education Institutions of Education Department of Jiangsu Province · Natural Science Foundation of Hubei Province

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