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Open Access Nano Express

Synthesis and photoluminescence properties of ZnS nanobowl arrays via colloidal monolayer template

Yanping Liu, Zhigang Li*, Wenwu Zhong, Li Zhang, Weiping Chen* and Qintao Li

Author Affiliations

Department of Physics and Electronic Engineering, Taizhou University, Taizhou, Zhejiang 318000, China

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Nanoscale Research Letters 2014, 9:389  doi:10.1186/1556-276X-9-389

Published: 11 August 2014

Abstract

Two-dimensional Zinc sulfide (ZnS) nanobowl arrays were synthesized via self-assembled monolayer polystyrene sphere template floating on precursor solution surface. A facile approach was proposed to investigate the morphology evolution of nanobowl arrays by post-annealing procedure. Photoluminescence (PL) measurement of as-grown nanoarrays shows that the spectrum mainly includes two parts: a purple emission peak at 382 nm and a broad blue emission band centering at 410 nm with a shoulder around 459 nm, and a blue emission band at 440 nm was obtained after the annealing procedure. ZnS nanoarrays with special morphologies and PL emission are benefits to their promising application in novel photoluminescence nanodevice.

Keywords:
Colloidal monolayer template; ZnS nanobowl arrays; Photoluminescence