Au@Cu7S4 yolk–shell nanoparticles as a 980 nm laser-driven photothermal agent with a heat conversion efficiency of 63%

Jing Zhang; Guigao Liu; Fang He; Lixia Chen; Yuan Huang

doi:10.1039/C5RA19055J

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Au@Cu₇S₄ yolk–shell nanoparticles as a 980 nm laser-driven photothermal agent with a heat conversion efficiency of 63%†

Jing Zhang,‡^a Guigao Liu,‡^a Fang He,*^a Lixia Chen^a and Yuan Huang^a

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* Corresponding authors

^a Department of Materials Science and Engineering, Tianjin University, 92 Weijin Road, Nankai District, Tianjin, China
E-mail: fanghe@tju.edu.cn

Abstract

We report the preparation of Au@Cu₇S₄ yolk–shell nanoparticles (NPs) via an inward replacement strategy based on the Kirkendall Effect. Due to the surface plasmon resonance (SPR) effect enhanced absorption in the near-infrared (NIR) region and the unique yolk–shell structure, the Au@Cu₇S₄ NPs exhibit excellent photothermal performance with a heat conversion efficiency up to 63% under 980 nm laser irradiation.

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Article information

DOI: https://doi.org/10.1039/C5RA19055J
Article type: Communication
Submitted: 16 Sep 2015
Accepted: 08 Oct 2015
First published: 09 Oct 2015

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RSC Adv., 2015,5, 87903-87907

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Au@Cu₇S₄ yolk–shell nanoparticles as a 980 nm laser-driven photothermal agent with a heat conversion efficiency of 63%

J. Zhang, G. Liu, F. He, L. Chen and Y. Huang, RSC Adv., 2015, 5, 87903 DOI: 10.1039/C5RA19055J

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