Near-infrared Ag2Se quantum dots with distinct absorption features and high fluorescence quantum yields

Li-Juan Shi; Chun-Nan Zhu; He He; Dong-Liang Zhu; Zhi-Ling Zhang; Dai-Wen Pang; Zhi-Quan Tian

doi:10.1039/C6RA04987G

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Near-infrared Ag₂Se quantum dots with distinct absorption features and high fluorescence quantum yields†

Li-Juan Shi,^a Chun-Nan Zhu,^a He He,^a Dong-Liang Zhu,^a Zhi-Ling Zhang,^a Dai-Wen Pang^a and Zhi-Quan Tian*^a

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* Corresponding authors

^a Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), College of Chemistry and Molecular Sciences, State Key Laboratory of Virology, The Institute for Advanced Studies, Wuhan Institute of Biotechnology, Wuhan University, Wuhan 430072, P. R. China
E-mail: zqtian@whu.edu.cn

Abstract

Near-infrared Ag₂Se quantum dots (QDs) with distinct absorption features ranging between 830–954 nm and fluorescence quantum yields up to 23.4% were controllably synthesized using a phosphine-free approach. Based on the distinct absorption features, the molar extinction coefficients of the Ag₂Se QDs have been determined.

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Article information

DOI: https://doi.org/10.1039/C6RA04987G
Article type: Communication
Submitted: 25 Feb 2016
Accepted: 06 Apr 2016
First published: 07 Apr 2016

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RSC Adv., 2016,6, 38183-38186

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Near-infrared Ag₂Se quantum dots with distinct absorption features and high fluorescence quantum yields

L. Shi, C. Zhu, H. He, D. Zhu, Z. Zhang, D. Pang and Z. Tian, RSC Adv., 2016, 6, 38183 DOI: 10.1039/C6RA04987G

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