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Efficient blue light emitting devices based on rigid‐rod polyelectrolytes
Author(s) -
Cimrová Vera,
Schmidt Wolfgang,
Rulkens Rudy,
Schulze Margit,
Meyer Wolfgang,
Neher Dieter
Publication year - 1996
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.19960080712
Subject(s) - polyelectrolyte , materials science , luminescence , phenylene , optoelectronics , ionic bonding , blue light , ion , voltage , chemical engineering , nanotechnology , polymer , composite material , organic chemistry , chemistry , engineering , physics , quantum mechanics
Blue light emitting devices based on a rigid‐rod polyelectrolyte–sulfonated poly( p ‐phenylene), see Figure–that has both luminescent and ionic moieties have been prepared and their properties investigated. It is reported that the devices exhibited a low onset voltage (3.3 V), the external quantum efficiencies reached 0.8%, and the size of the counter ion had a pronounced influence on the electrical characteristics.
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