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research-article

Photothermal properties of near-spherical gold nanofluids with strong localized surface plasmon resonance

[+] Author and Article Information
Wang Lingling

School of Environment and Materials Engineering, College of Engineering, Shanghai Polytechnic University,Shanghai, 201209, China
llwang@sspu.edu.cn

Zhu Guihua

School of Environment and Materials Engineering, College of Engineering, Shanghai Polytechnic University,Shanghai, 201209, China
1752938283@qq.com

Wei Yu

School of Environment and Materials Engineering, College of Engineering, Shanghai Polytechnic University,Shanghai, 201209, China
yuwei@sspu.edu.cn

Dahai Zhu

School of Environment and Materials Engineering, College of Engineering, Shanghai Polytechnic University,Shanghai, 201209, China
1130476458@qq.com

Yingchun Zhang

School of Environment and Materials Engineering, College of Engineering, Shanghai Polytechnic University,Shanghai, 201209, China
2275102733@qq.com

Liye Zhang

School of Environment and Materials Engineering, College of Engineering, Shanghai Polytechnic University,Shanghai, 201209, China
1508381320@qq.com

Huaqing Xie

School of Environment and Materials Engineering, College of Engineering, Shanghai Polytechnic University,Shanghai, 201209, China
hqxie@sspu.edu.cn

1Corresponding author.

ASME doi:10.1115/1.4036800 History: Received January 10, 2017; Revised February 22, 2017

Abstract

Near-spherical gold nanoparticles were synthesized using a facile chemical reduction method. The optical properties, size and morphology of nanofluids were characterized using UV-Vis-NIR spectroscopy and TEM. All the gold nanofluids showed better photothermal conversion characteristics than H2O due to the strong localized surface plasmon resonance effect. The increase in gold nanoparticles diameters resulted in lower photothermal conversion properties, so appropriate reducing agents have great influence on the optical properties of gold nanofluids in our experimental system. Trisodium citrate is the optimum reducing agents compared with NaBH4 and ascorbic acid.

Copyright (c) 2017 by ASME
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