The effect of surface structures and compositions on the quantum yields of highly effective Zn0.8Cd0.2S nanocrystals

Ya-Ching Chen; Hong-Shuo Chen; Shu-Ru Chung; Jeng-Kuei Chang; Kuan-Wen Wang

doi:10.1039/C5TC00903K

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The effect of surface structures and compositions on the quantum yields of highly effective Zn_0.8Cd_0.2S nanocrystals†

Ya-Ching Chen,^a Hong-Shuo Chen,^a Shu-Ru Chung,*^b Jeng-Kuei Chang^a and Kuan-Wen Wang*^a

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* Corresponding authors

^a Institute of Materials Science and Engineering, National Central University, No. 300 Jungda Road, Taoyuan, Taiwan
E-mail: kuanwen.wang@gmail.com

^b Department of Materials Science and Engineering, National Formosa University, No. 64 Wunhua Road, Yunlin, Taiwan
E-mail: srchung@nfu.edu.tw

Abstract

We have synthesized white light emitting ternary Zn_0.8Cd_0.2S nanocrystals with high quantum yields of about 99%. Through detailed surface and structural characterization with the investigation of Cd and Zn coordination numbers, it can be found that besides surface state emission, the highly effective white light emission is strongly related to the surface chemical states of Zn and Zn–O/Cd–O bonding.

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Article information

DOI: https://doi.org/10.1039/C5TC00903K
Article type: Communication
Submitted: 01 Apr 2015
Accepted: 24 Apr 2015
First published: 27 Apr 2015

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J. Mater. Chem. C, 2015,3, 5881-5884

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The effect of surface structures and compositions on the quantum yields of highly effective Zn_0.8Cd_0.2S nanocrystals

Y. Chen, H. Chen, S. Chung, J. Chang and K. Wang, J. Mater. Chem. C, 2015, 3, 5881 DOI: 10.1039/C5TC00903K

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Journal of Materials Chemistry C