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Fast‐response organic–inorganic hybrid light‐emitting diode
Author(s) -
Fukuda Takeshi,
Wei Bin,
Suto Eiichi,
Ichikawa Musubu,
Taniguchi Yoshio
Publication year - 2008
Publication title -
physica status solidi (rrl) – rapid research letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.786
H-Index - 68
eISSN - 1862-6270
pISSN - 1862-6254
DOI - 10.1002/pssr.200802184
Subject(s) - biphenyl , materials science , diode , light emitting diode , optoelectronics , modulation (music) , cutoff frequency , oled , aluminium , chemistry , nanotechnology , composite material , organic chemistry , physics , layer (electronics) , acoustics
We demonstrated important changes produced on the modulation frequency of hybrid organic–inorganic light‐emitting diodes to examine the applicability as a light source for visible optical communications. The fabricated device structure was 4,4′‐bis[ N ‐(1‐napthyl)‐ N ‐phenyl‐amino]biphenyl/4,4′‐(bis(9‐ethyl‐3‐carbazovinylene)‐1,1′‐biphenyl:4,4′‐bis[9‐dicarbazolyl]‐2,2′‐biphenyl/ZnS/LiF/MgAg. This device showed an improvement in the modulation frequency using ZnS instead of an organic material, tris(8‐hydroxyquinoline)aluminum. A maximum cutoff frequency of 20.6 MHz was achieved.(© 2008 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)