Correlation Between Molecular Structure, Microscopic Morphology, and Optical Properties of Poly(tetraalkylindenofluorene)s

Andrew C. Grimsdale; Philippe Leclere; Roberto LazzaroniJ. Devin MackenzieCraig MurphySepas SetayeshCarlos SilvaRchard H. FriendKlaus Mullen

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Correlation Between Molecular Structure, Microscopic Morphology, and Optical Properties of Poly(tetraalkylindenofluorene)s

机译：Correlation Between Molecular Structure, Microscopic Morphology, and Optical Properties of Poly(tetraalkylindenofluorene)s

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The emission properties of polyindenofluorenes with various proportions of straight- and branched-chain alkyl substituents have been compared. The polymer with straight octyl substituents shows green emission due to formation of aggregates, while the polymer with branched 2-ethylhexyl substituents shows blue emission. Studies of the film morphology show the presence of ordered structures due to π-stacking of the polymer chains for the octyl-substituted polymer, whereas the polymer with branched side-chains shows no such order. Copolymers show intermediate behavior. A clear correlation is established between the degree of straight-chain alkyl substitution, the formation of ordered structures in the films, and the amount of long wave-length emission in the solid-state spectra.

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《Advanced functional materials》 |2002年第10期|729-733|共5页
作者
Andrew C. Grimsdale; Philippe Leclere; Roberto LazzaroniJ. Devin MackenzieCraig MurphySepas SetayeshCarlos SilvaRchard H. FriendKlaus Mullen;
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作者单位

Max-Planck-Institut fur Polymerforschung Ackermannweg 10, D-55128 Mainz (Germany);

Service de Chimie des Materaux Nouveaux Centre de Recherche en Electronique et Photonique Moleculaires Universite de Mons-Hainaut Place du Parc 20, B-7000 Mons (Belgium);

Cavendish Laboratory Madingley Road, Cambridge CB3 0HE (UK)CDT Ltd Greenwich House, Madingley Road, Cambridge CB3 0HJ (UK);

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正文语种英语
中图分类无线电电子学、电信技术;
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Correlation Between Molecular Structure, Microscopic Morphology, and Optical Properties of Poly(tetraalkylindenofluorene)s

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