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Facile synthesis of ZnS quantum dots at room temperature for ultra-violet photodetector applications / Rujie Li, Libin Tang, Qing Zhao, Vincent Teng, Shu Ping Lau

Chemical Physics Letters, Volume: 742, Start page: 137127

Swansea University Author: Vincent Teng

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Abstract

Zinc sulfide (ZnS) quantum dots (QDs) were synthesized using a facile, low-cost and environmentally friendly method at room temperature and ambient pressure. The structural, optical and electrical properties of the as-prepared ZnS QDs were investigated. The monodispersed crystalline ZnS QDs with an...

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Published in: Chemical Physics Letters
ISSN: 0009-2614
Published: Elsevier BV 2020
Online Access: Check full text

URI: https://cronfa.swan.ac.uk/Record/cronfa53313
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Abstract: Zinc sulfide (ZnS) quantum dots (QDs) were synthesized using a facile, low-cost and environmentally friendly method at room temperature and ambient pressure. The structural, optical and electrical properties of the as-prepared ZnS QDs were investigated. The monodispersed crystalline ZnS QDs with an average size of 3.8 nm has been prepared, an absorption peak at 292 nm in the ultra-violet (UV) range was observed. The maximum responsivity (R) and detectivity (D*) of the ZnS QDs based photodetector under 365 nm UV light illumination were 5.8 A W−1 and 1.97×1013 Jones, respectively, which shows important potential application in UV detection.
Keywords: Semiconductor, Quantum dots (QDs), Zinc sulfide (ZnS), Optical property Photodetector
Start Page: 137127