High-performance, air-stable, n-type thermoelectric films from a water-dispersed nickel-ethenetetrathiolate complex and ethylene glycol

Kazuki Ueda; Yuto Yamada; Toshiki Terao; Kei Manabe; Tomoyasu Hirai; Yuta Asaumi; Syuji Fujii; Shintaro Kawano; Masahiro Muraoka; Michihisa Murata

doi:10.1039/D0TA04524A

High-performance, air-stable, n-type thermoelectric films from a water-dispersed nickel-ethenetetrathiolate complex and ethylene glycol†

Kazuki Ueda,^a Yuto Yamada,^a Toshiki Terao,^a Kei Manabe,

^a Tomoyasu Hirai,

^b Yuta Asaumi,^a Syuji Fujii,

^b Shintaro Kawano,

^c Masahiro Muraoka

^b and Michihisa Murata

*^bd

Author affiliations

* Corresponding authors

^a Graduate School of Engineering, Osaka Institute of Technology, 5-16-1 Omiya, Asahi-ku, Osaka 535-8585, Japan

^b Department of Applied Chemistry, Faculty of Engineering, Osaka Institute of Technology, 5-16-1 Omiya, Asahi-ku, Osaka 535-8585, Japan
E-mail: michihisa.murata@oit.ac.jp

^c Osaka Research Institute of Industrial Science and Technology, 1-6-50 Morinomiya, Joto-ku, Osaka 536-8553, Japan

^d JST-PRESTO, 4-1-8 Honcho, Kawaguchi, Saitama 332-0012, Japan

Abstract

An efficient solution-based process for the fabrication of air-stable n-type thermoelectric films is reported. A nickel-ethenetetrathiolate complex was synthesized in dimethyl formamide and used to produce a dispersion in an aqueous medium. The film, fabricated via a simple drop-casting method with ethylene glycol, exhibited a remarkably high thermoelectric n-type power factor of 33 μW m⁻¹ K⁻².

Journal of Materials Chemistry A

High-performance, air-stable, n-type thermoelectric films from a water-dispersed nickel-ethenetetrathiolate complex and ethylene glycol†

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High-performance, air-stable, n-type thermoelectric films from a water-dispersed nickel-ethenetetrathiolate complex and ethylene glycol

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