Aqueous phase synthesis of Au@Ag3AuX2 (X = Se, Te) core/shell nanocrystals and their broad NIR photothermal conversion application

Tao Chen; Meng Xu; Muwei Ji; Lei Cheng; Jiajia Liu; Bing Zhang; Jiatao Zhang

doi:10.1039/C6CE00609D

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Aqueous phase synthesis of Au@Ag₃AuX₂ (X = Se, Te) core/shell nanocrystals and their broad NIR photothermal conversion application†

Tao Chen,^ab Meng Xu,*^b Muwei Ji,^b Lei Cheng,^ab Jiajia Liu,^b Bing Zhang^a and Jiatao Zhang*^b

Author affiliations

* Corresponding authors

^a School of Chemical Engineering, Zhengzhou University, Zhengzhou 450001, PR China

^b Beijing Key Laboratory of Construction-Tailorable Advanced Functional Materials and Green Applications, School of Materials Science & Engineering, Beijing Institute of Technology Beijing, PR China
E-mail: zhangjt@bit.edu.cn

Abstract

Aqueous Au@Ag₃AuX₂ (X = Se, Te) core/shell nanocrystals (NCs) have been synthesized unprecedentedly by a controllable in situ conversion. The Au@Ag₃AuTe₂ NCs show a continuous broad NIR absorption from 700 to 1200 nm, thus exhibiting a good photothermal effect. The photothermal conversion efficiency can reach up to 76.7% and 49.6% at 808 and 1064 nm, respectively.

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Article information

DOI: https://doi.org/10.1039/C6CE00609D
Article type: Communication
Submitted: 17 Mar 2016
Accepted: 13 Apr 2016
First published: 14 Apr 2016

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CrystEngComm, 2016,18, 5418-5422

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Aqueous phase synthesis of Au@Ag₃AuX₂ (X = Se, Te) core/shell nanocrystals and their broad NIR photothermal conversion application

T. Chen, M. Xu, M. Ji, L. Cheng, J. Liu, B. Zhang and J. Zhang, CrystEngComm, 2016, 18, 5418 DOI: 10.1039/C6CE00609D

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