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Proceedings Paper

Photo-Seebeck effect of conjugated polymers
Author(s): B. Kim; H. Lim; E. Kim
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Paper Abstract

Photo-Seebeck effect of conjugated polymers (CPs) from thiophenes and selenophenes were explored for a flexible energy conversion device. CP films were obtained by oxidative polymerizations, which grow conductive channels as polymerization proceeds. Through an optimized polymerization condition, highly conductive CP films were obtained with lower oxidation level. Taking advantage of their high electrical conductivity, the CP films were further explored as a transparent photo-thermo-electric film, because their absorption energy is easily controlled by the degree of oxidation or doping. Upon exposure to a near IR source, the CP films got heated, to result in temperature rise on a substrate. The generated heat was effectively converted into electricity to confirm a photo-Seebeck effect from the CP film under a light exposure. Efficient near-IR photothermal effect and heat to electric conversion have been realized in CP films that could benefit in exploiting multifunctional film displays, invisible NIR sensors, and hybrid energy harvesters.

Paper Details

Date Published: 27 August 2014
PDF: 6 pages
Proc. SPIE 9171, Nanobiosystems: Processing, Characterization, and Applications VII, 91710N (27 August 2014); doi: 10.1117/12.2068245
Show Author Affiliations
B. Kim, Yonsei Univ. (Korea, Republic of)
H. Lim, Yonsei Univ. (Korea, Republic of)
E. Kim, Yonsei Univ. (Korea, Republic of)


Published in SPIE Proceedings Vol. 9171:
Nanobiosystems: Processing, Characterization, and Applications VII
Norihisa Kobayashi; Fahima Ouchen; Ileana Rau, Editor(s)

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