Photothermal Properties of Near-Spherical Gold Nanofluids With Strong Localized Surface Plasmon Resonance

被引：19
作者：
Wang Lingling [1 ]
Zhu Guihua [1 ]
Yu Wei [1 ]
Zhu Dahai [1 ]
Zhang Yingchun [1 ]
Zhang Liye [1 ]
Xie Huaqing [1 ]
机构：
[1] Shanghai Polytech Univ, Coll Engn, Sch Environm & Mat Engn, Shanghai 201209, Peoples R China
来源：
JOURNAL OF THERMAL SCIENCE AND ENGINEERING APPLICATIONS | 2018年 / 10卷 / 01期
基金：
中国国家自然科学基金;
关键词：
SOLAR-CELLS; ENERGY; NANOPARTICLES; DESALINATION; ENHANCEMENT; NANOSTRUCTURES; TECHNOLOGY; CONVERSION; FUTURE;
D O I：
10.1115/1.4036800
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Near-spherical gold nanoparticles were synthesized using a facile chemical reduction method. The optical properties, size, and morphology of nanofluids were characterized using ultraviolet-visible-near-infrared (UV-Vis-NIR) spectroscopy and transmission electron microscope (TEM). All the gold nanofluids showed better photothermal conversion characteristics than H2O due to the strong localized surface plasmon resonance (LSPR) effect. The increase in gold nanoparticles diameters resulted in lower photothermal conversion properties, so the 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 (AA).
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