Copper Sulfide–Zinc Sulfide Janus Nanoparticles and Their Seebeck Characteristics for Sustainable Thermoelectric Materials

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• 作者：Hiroyuki Shimose ; Maninder Singh ; Dipali Ahuja ; Wei Zhao ; Shiyao Shan ; Shunsuke Nishino ; Masanobu Miyata ; Koichi Higashimine ; Derrick Mott ; Mikio Koyano ; Jin Luo ; C. J. Zhong ; Shinya Maenosono
• 刊名：Journal of Physical Chemistry C
• 出版年：2016
• 出版时间：March 24, 2016
• 年：2016
• 卷：120
• 期：11
• 页码：5869-5875
• 全文大小：397K
• ISSN：1932-7455

文摘

A heterostructured copper sulfide–zinc sulfide nanocomposite is explored as a new class of low temperature and sustainable thermoelectric materials. The nanoparticles are created through a wet chemical synthetic technique and display a remarkable Janus structure. These nanoparticles are processed as building blocks by molecular linking with short alkyl chain ligands to enhance their electrical conductivity. The nanomaterials are pressed into a pellet and subjected to subsequent thermal annealing to remove volatiles and enhance particle contacts through sintering. The resulting nanocomposite materials were characterized to assess the thermoelectric characteristics, revealing P-type conductivity.