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Efficient blue LEDs from a partially conjugated Si‐containing PPV copolymer in a double‐layer configuration
Author(s) -
Garten Frank,
Hilberer Alain,
Cacialli Franco,
Esselink Eddy,
van Dam Yvonne,
Schlatmann Bart,
Friend Richard H.,
Klapwijk Teun M.,
Hadziioannou Georges
Publication year - 1997
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.19970090206
Subject(s) - materials science , electroluminescence , light emitting diode , optoelectronics , layer (electronics) , copolymer , conjugated system , phenylene , silicon , organic electronics , double layer (biology) , nanotechnology , polymer , transistor , composite material , voltage , physics , quantum mechanics
Efficient blue electroluminescent devices based on a novel silicon‐containing poly( P ‐phenylene) derivative are described. It is shown that the turn‐on field and internal quantum efficiency can be improved by using a double‐layer device configuration instead of a single‐layer one and by the addition of a transport layer at the cathodic side. The combined study of electrical and optical properties on one hand and morphological aspects on the other is demonstrated to be a fruitful approach to the improved performance of organic electronics.