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Int. J. Mol. Sci. 2015, 16(6), 12547-12559; doi:10.3390/ijms160612547

Hydrothermal Synthesis Au-Bi2Te3 Nanocomposite Thermoelectric Film with a Hierarchical Sub-Micron Antireflection Quasi-Periodic Structure

1
State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, Shanghai 200240, China
2
Department of Prosthodontics, Shanghai Jiao Tong University, Shanghai 200240, China
3
Jushi Fiberglass Research Institute, Zhejiang Key Laboratory for Fiberglass Research, Jushi Group Co., Ltd., Hangzhou 314500, China
*
Authors to whom correspondence should be addressed.
Academic Editor: Qinghua Qin
Received: 13 March 2015 / Revised: 8 April 2015 / Accepted: 9 April 2015 / Published: 3 June 2015
(This article belongs to the Special Issue Advances in Anisotropic and Smart Materials)
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Abstract

In this work, Au-Bi2Te3 nanocomposite thermoelectric film with a hierarchical sub-micron antireflection quasi-periodic structure was synthesized via a low-temperature chemical route using Troides helena (Linnaeus) forewing (T_FW) as the biomimetic template. This method combines chemosynthesis with biomimetic techniques, without the requirement of expensive equipment and energy intensive processes. The microstructure and the morphology of the Au-Bi2Te3 nanocomposite thermoelectric film was analyzed by X-ray diffraction (XRD), field-emission scanning-electron microscopy (FESEM), and transmission electron microscopy (TEM). Coupled the plasmon resonances of the Au nanoparticles with the hierarchical sub-micron antireflection quasi-periodic structure, the Au-Bi2Te3 nanocomposite thermoelectric film possesses an effective infrared absorption and infrared photothermal conversion performance. Based on the finite difference time domain method and the Joule effect, the heat generation and the heat source density distribution of the Au-Bi2Te3 nanocomposite thermoelectric film were studied. The heterogeneity of heat source density distribution of the Au-Bi2Te3 nanocomposite thermoelectric film opens up a novel promising technique for generating thermoelectric power under illumination. View Full-Text
Keywords: nanocomposite thermoelectric film; low-temperature hydrothermal synthesis; Au-Bi2Te3; antireflection quasi-periodic structure nanocomposite thermoelectric film; low-temperature hydrothermal synthesis; Au-Bi2Te3; antireflection quasi-periodic structure
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Tian, J.; Zhang, W.; Zhang, Y.; Xue, R.; Wang, Y.; Zhang, Z.; Zhang, D. Hydrothermal Synthesis Au-Bi2Te3 Nanocomposite Thermoelectric Film with a Hierarchical Sub-Micron Antireflection Quasi-Periodic Structure. Int. J. Mol. Sci. 2015, 16, 12547-12559.

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