Large-scale synthesis of water-soluble CuInSe2/ZnS and AgInSe2/ZnS core/shell quantum dots

Xiaojiao Kang; Yanchun Yang; Lijian Huang; Ying Tao; Lan Wang; Daocheng Pan

doi:10.1039/C5GC00908A

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Large-scale synthesis of water-soluble CuInSe₂/ZnS and AgInSe₂/ZnS core/shell quantum dots†

Xiaojiao Kang,^a Yanchun Yang,^ab Lijian Huang,^a Ying Tao,^ab Lan Wang^ab and Daocheng Pan*^a

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* Corresponding authors

^a State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, P. R. China
E-mail: pan@ciac.ac.cn
Tel: +86-431-85262941

^b University of the Chinese Academy of Sciences, Beijing, P. R. China

Abstract

Water-soluble CuInSe₂/ZnS (CISe/ZnS) and AgInSe₂/ZnS (AISe/ZnS) core/shell quantum dots (QDs) on a multigram scale have been synthesized by using gelatin and thioglycolic acid as dual stabilizers in an electric pressure cooker. The core/shell QDs present composition-tunable emission in the range of 582 nm to 686 nm with a maximum PLQY of 23.3%. The core/shell QDs also exhibit good water/buffer stability. The red-emitting CISe/ZnS QDs are applied as wavelength converters to achieve warm white light-emitting diodes.

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Article information

DOI: https://doi.org/10.1039/C5GC00908A
Article type: Paper
Submitted: 29 Apr 2015
Accepted: 14 Jul 2015
First published: 14 Jul 2015

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Green Chem., 2015,17, 4482-4488

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Large-scale synthesis of water-soluble CuInSe₂/ZnS and AgInSe₂/ZnS core/shell quantum dots

X. Kang, Y. Yang, L. Huang, Y. Tao, L. Wang and D. Pan, Green Chem., 2015, 17, 4482 DOI: 10.1039/C5GC00908A

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