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Organic Infrared Upconversion Device
Author(s) -
Kim Do Young,
Song Dong Woo,
Chopra Neetu,
De Somer Pieter,
So Franky
Publication year - 2010
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.200903312
Subject(s) - materials science , photon upconversion , iridium , infrared , optoelectronics , oled , indium tin oxide , indium , layer (electronics) , optics , nanotechnology , doping , physics , biochemistry , chemistry , catalysis
Novel infrared‐to‐visible light upconversion devices are demonstrated by fabricating an organic light‐emitting diode with an infrared‐sensitizing layer. With a SnPc:C 60 mixed layer as an infrared absorber and fac‐tris(2‐phenylpyridinato) iridium (III) (Irppy 3 ) as an emitter, an infrared‐to‐green up‐conversion device is demonstrated under 830‐nm irradiation (see figure, ITO=indium tin oxide). The maximum photon‐to‐photon conversion efficiency is 2.7% at 15V.