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Evaluation of Thermopower of Organic Materials Toward Flexible Thermoelectric Power Generators

Published online by Cambridge University Press:  31 January 2011

Masakazu Nakamura ,
Atsushi Hoshi ,
Masatoshi Sakai  and
Kazuhiro Kudo
Masakazu Nakamura
Affiliation:
nakamura@faculty.chiba-u.jp, Chiba University, Department of Electrical and Electronic Engineering, Chiba, Japan
Atsushi Hoshi
Affiliation:
star@graduate.chiba-u.jp, Chiba University, Department of Electrical and Electronic Engineering, Chiba, Japan
Masatoshi Sakai
Affiliation:
sakai@faculty.chiba-u.jp, Chiba University, Department of Electrical and Electronic Engineering, Chiba, Japan
Kazuhiro Kudo
Affiliation:
kudo@faculty.chiba-u.jp, Chiba University, Department of Electrical and Electronic Engineering, Chiba, Japan
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Abstract

Organic conducting and semiconducting materials are promising as thermoelectric conversion materials in flexible and wearable electronics because they have large Seebeck coefficients and small thermal conductivities. Since there have been only a limited number of studies on the thermoelectricity of organic materials to date, precise evaluation of Seebeck coefficient and electrical conductivity of various organic conducting/semiconducting thin films is important to examine what kind of material is the most effectual. To carry out such experiments, a specially designed instrument for organic thin films has been developed. Its ability to measure Seebeck coefficients of highly resistive materials was confirmed and Seebeck coefficients and power factors of several typical organic functional materials were preliminary evaluated.

Keywords

organicenergy generationthermoelectric
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1197: Symposium D – Organic Materials for Printable Thin-Film Electronic Devices , 2009 , 1197-D09-07
Copyright
Copyright © Materials Research Society 2010

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