Synthesis and Optical Properties of ZnS Nanoparticles Using Multi-Mercaptan-Terminated Thio Ether as Surface Modifier

Abstract:

ZnS nanoparticles have been prepared by using 2, 3-dimercaptoethylthiopropanethiol (BES) as the coordinating modifier reagent to form Zn-thiol complex at low reaction temperatures. By controlling the experimental conditions, the diameter of the ZnS nanopaticles can be tuned from 43 nm to 115 nm. Systematic experiments were carried out to investigate the factors such as the amounts of the reagents (thiourea and BES) and the temperature, which have great influence on the sizes of the products. And when the content of BES is much higher, ZnS nanopaticles with mercapto surface modification were synthesized. In addition, massive blue shift in UV-vis spectra has been observed and the photoluminescence spectra of the ZnS show a strong emission at approximate 432 nm and 527 nm. Therefore, the preparation and properties studies of different ZnS sizes will offer great opportunities to explore the dependence of a material’s properties and find many interesting applications in the optical devices.

• Periodical: Key Engineering Materials (Volumes 575-576)
• Pages: 24-29
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.575-576.24
• Online since: September 2013
• Authors: Wei Chen Sheng, Jing Tan, Ping Wu, Qiao Chen, Zhi Ping Zhou
• Keywords: Coordinating Reagent, Optical Property, ZnS Nanopaticles

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