Relation between intra-chain conduction and main-chain conformation of conducting polymers in solutions as studied by electric birefringence spectroscopy

Takeshi Shimomura; Yasuyuki Kimura; Kohzo Ito; Reinosuke Hayakawa

doi:10.1016/S0927-7757(98)00593-7

Relation between intra-chain conduction and main-chain conformation of conducting polymers in solutions as studied by electric birefringence spectroscopy

Takeshi Shimomura, Yasuyuki Kimura, Kohzo Ito, Reinosuke Hayakawa

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

3 Citations (Scopus)

Abstract

Frequency domain electric birefringence spectroscopy has been applied to a typical soluble conducting polymer, poly(3-hexylthiophene), in dilute solutions in order to investigate the isolated single-chain dynamics of conducting polymers. From the results, the intramolecular conduction mechanism in a single conducting polymer chain is revealed without interference from the inter-chain one. The change in hydrodynamic diameter of the polymer chain with varying temperature or solvent species clearly indicates the occurrence of a single-chain conformational transition. Further, it turns out that there exist two kinds of carrier transport process along the polymer chain with different diffusion distances and diffusion constants, which reflect a disorder effect due to conformational defects on the one-dimensional polymer chain. Copyright (C) 1999 Elsevier Science B.V.

Original language	English
Pages (from-to)	155-162
Number of pages	8
Journal	Colloids and Surfaces A: Physicochemical and Engineering Aspects
Volume	148
Issue number	1-2
DOIs	https://doi.org/10.1016/S0927-7757(98)00593-7
Publication status	Published - Mar 1 1999
Externally published	Yes

All Science Journal Classification (ASJC) codes

Surfaces and Interfaces
Physical and Theoretical Chemistry
Colloid and Surface Chemistry

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Relation between intra-chain conduction and main-chain conformation of conducting polymers in solutions as studied by electric birefringence spectroscopy. / Shimomura, Takeshi; Kimura, Yasuyuki; Ito, Kohzo; Hayakawa, Reinosuke.

In: Colloids and Surfaces A: Physicochemical and Engineering Aspects, Vol. 148, No. 1-2, 01.03.1999, p. 155-162.

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

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