Thermoelectric effect in hexagonal tungsten oxides

T. Okusako; T. Tokuyama; K. Mikami; Y. Nogami; N. Hanasaki

doi:10.1143/JPSJS.81SB.SB028

Thermoelectric effect in hexagonal tungsten oxides

T. Okusako, T. Tokuyama, K. Mikami, Y. Nogami, N. Hanasaki

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

We synthesize hexagonal tungsten oxides Cs_xWO₃ (x = 0.12 ∼ 0.33) by the hydrothermal method and investigate their thermoelectric property. The title compounds show the metallic behavior. The Seebeck coefficient increases near the band edge in the small cesium ratio x. The maximal value of the power factor and the dimensionless figure of merit ZT are about 3μW/K²cm and 0.03, respectively.

Original language	English
Article number	SB028
Journal	journal of the physical society of japan
Volume	81
Issue number	SUPPL.B
DOIs	https://doi.org/10.1143/JPSJS.81SB.SB028
Publication status	Published - Sep 2012

Keywords

Hydrothermal synthesis
Thermoelectric effect

ASJC Scopus subject areas

Physics and Astronomy(all)

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T1 - Thermoelectric effect in hexagonal tungsten oxides

AU - Okusako, T.

AU - Tokuyama, T.

AU - Mikami, K.

AU - Nogami, Y.

AU - Hanasaki, N.

PY - 2012/9

Y1 - 2012/9

N2 - We synthesize hexagonal tungsten oxides CsxWO3 (x = 0.12 ∼ 0.33) by the hydrothermal method and investigate their thermoelectric property. The title compounds show the metallic behavior. The Seebeck coefficient increases near the band edge in the small cesium ratio x. The maximal value of the power factor and the dimensionless figure of merit ZT are about 3μW/K2cm and 0.03, respectively.

AB - We synthesize hexagonal tungsten oxides CsxWO3 (x = 0.12 ∼ 0.33) by the hydrothermal method and investigate their thermoelectric property. The title compounds show the metallic behavior. The Seebeck coefficient increases near the band edge in the small cesium ratio x. The maximal value of the power factor and the dimensionless figure of merit ZT are about 3μW/K2cm and 0.03, respectively.

KW - Hydrothermal synthesis

KW - Thermoelectric effect

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