NDLI: Spin dynamics studies in polyalkylthiophenes and polystyrene polythiopbene copolymers

Content Provider	IEEE Xplore Digital Library
Author	Mabboux, P.Y. Travers, J.P. Nicolau, Y. Samuelsen, E. Mardalen, J. Carlsen, P.H. Gautun, O.R. Francois, B.
Copyright Year	1994
Description	Author affiliation: University of Trondheim (Mabboux, P.Y.)
Abstract	Summary form only given. The aim of our studies is to evaluate the role of structural and morphological parameters on the dynamics of polarons in polythiophenes, at the microscopic scale. Parameters like inter-chain distances and stereoregularity of alkyl substituted polythiophenes are considered, as well as the case of crystalline polythiophene micellas embeded in a polystyrene matrix. Proton spin lattice relaxation time has been measured as a function of frequency in poly(dimethyl-tetrathiophene), poly(hexyl d/sub 13-/ thiophene) and polystyrene(deuterated)-polythiophene diblock copolymer. All the compounds were prepared using FeC1/sub 3/ as the polymerizing agent of thiophenic units, then carefully dedoped and redoped with BF/sub 4/sup -// counterions to avoid spurious relaxation coming from extrinsic paramagnetic species. The data will be analyzed in the framework of quasi 1-D polaron diffusion, thus leading to the determination of intra- and inter-chain diffusion coefficients. The results will be then compared with previous ones obtained in poly(bithiophene) and poly(methyl-thiophene).
Starting Page	248
Ending Page	248
File Size	86776
Page Count	1
File Format	PDF
DOI	10.1109/STSM.1994.835231
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1994-07-24
Publisher Place	Korea
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Protons Microscopy Stationary state Lattices Phonons Crystallization Mathematics Matrices Infrared spectra Polymers
Content Type	Text
Resource Type	Article

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