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Effects of structure on the optical and redox properties of the oligothiophene— Tetrathiafulvalene hybrid system
Author(s) -
Roncali Jean,
Rasmussen Lennart,
ThobieGautier Christine,
Frère Pierre,
Brisset Hugues,
Sallé Marc,
Becher Jan,
Simonsen Ole,
Hansen Thomas K.,
BenahmedGasmi Amina,
Orduna Jesus,
Garin Javier,
Jubault Michel,
Gorgues Alain
Publication year - 1994
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.19940061107
Subject(s) - tetrathiafulvalene , materials science , planarity testing , thiophene , redox , band gap , nanotechnology , optoelectronics , crystallography , molecule , organic chemistry , chemistry , metallurgy
The optical properties of the oligothiophene–tetrathiafulvalene system are greatly affected by structural factors. An understanding of these, as presented here, is a first step towards reducing the band gap in thiophene oligomers and thus optimizing them for device applications. The effect of spacer length and the role of planarity and rigidity, for example of the syn conformation shown in the Figure, are investigated.