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Transport in Oriented Polyacetylene

Galtier, M. / Rolland, M. / Montaner, A. / Alibenamara, A.

Abstract Highly oriented polyacetylene has been synthesized by Akagi’s method. After p and n doping they, present a d.c. conductivity of about 20,000 Ω-1cm-1 at room temperature. Between T = 300 K and T = 20 K σ decreases slowly (one order of magnitude) for quasi metallic system and drops between T = 20 K and T = 4K. For mean doping levels the temperature dependence is well fitted by a Sheng formula. Optical conductivity has been compared to d.c. conductivity for p doped (CH)X.This leads to the conclusion that d.c. conductivity is dominated by interchain or inter-fibril hopping while optical conductivity is dominated by intrachain mechanism.

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Transport in Oriented Polyacetylene

Galtier, M. / Rolland, M. / Montaner, A. / Alibenamara, A.

Abstract Highly oriented polyacetylene has been synthesized by Akagi’s method. After p and n doping they, present a d.c. conductivity of about 20,000 Ω-1cm-1 at room temperature. Between T = 300 K and T = 20 K σ decreases slowly (one order of magnitude) for quasi metallic system and drops between T = 20 K and T = 4K. For mean doping levels the temperature dependence is well fitted by a Sheng formula. Optical conductivity has been compared to d.c. conductivity for p doped (CH)X.This leads to the conclusion that d.c. conductivity is dominated by interchain or inter-fibril hopping while optical conductivity is dominated by intrachain mechanism.

Transport in Oriented Polyacetylene

Galtier, M. / Rolland, M. / Montaner, A. / Alibenamara, A.

Abstract Highly oriented polyacetylene has been synthesized by Akagi’s method. After p and n doping they, present a d.c. conductivity of about 20,000 Ω-1cm-1 at room temperature. Between T = 300 K and T = 20 K σ decreases slowly (one order of magnitude) for quasi metallic system and drops between T = 20 K and T = 4K. For mean doping levels the temperature dependence is well fitted by a Sheng formula. Optical conductivity has been compared to d.c. conductivity for p doped (CH)X.This leads to the conclusion that d.c. conductivity is dominated by interchain or inter-fibril hopping while optical conductivity is dominated by intrachain mechanism.

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Titel:

Transport in Oriented Polyacetylene

Beteiligte:

Galtier, M. (Autor:in) / Rolland, M. (Autor:in) / Montaner, A. (Autor:in) / Alibenamara, A. (Autor:in)

Erschienen in:

Conjugated Polymeric Materials: Opportunities in Electronics, Optoelectronics, and Molecular Electronics ; 285-291

NATO ASI Series ; 182

Erscheinungsdatum:

01.01.1990

Format / Umfang:

7 pages

ISBN:

978-94-010-7416-2 , 978-94-009-2041-5

ISSN:

DOI:

https://doi.org/10.1007/978-94-009-2041-5_20

Medientyp:

Aufsatz/Kapitel (Buch)

Format:

Elektronische Ressource

Sprache:

Englisch

Schlagwörter:

Doping Level , Infrared Absorption , Dope Sample , Optical Conductivity , Optical Index Chemistry , Industrial Chemistry/Chemical Engineering , Characterization and Evaluation of Materials , Organic Chemistry , Optics, Lasers, Photonics, Optical Devices

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