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Space charge distribution in luminescent conjugated polymers
Author(s) -
Geschke Dieter,
Feller Frank,
Monkman Andy P.
Publication year - 2004
Publication title -
macromolecular symposia
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.257
H-Index - 76
eISSN - 1521-3900
pISSN - 1022-1360
DOI - 10.1002/masy.200450823
Subject(s) - conjugated system , space charge , materials science , polymer , fluorene , luminescence , pyridine , polymer chemistry , poly(p phenylene) , phenylene , photochemistry , optoelectronics , organic chemistry , chemistry , electron , physics , composite material , quantum mechanics
We have used for the first time the laser intensity modulation method (LIMM) to resolve the depth profile of space charges in films of poly[(2‐(2‐ethylhexyl)‐5‐methoxy‐1,4‐phenylene)vinylene] (MEH‐PPV), poly(pyridine‐2,5‐diyl) (PPY) and poly(fluorene) (PFO). The results demonstrate that in conjugated polymers space charges can not only be created but also stored permanently.