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Increased Color‐Conversion Efficiency in Hybrid Light‐Emitting Diodes utilizing Non‐Radiative Energy Transfer
Author(s) -
Chanyawadee Soontorn,
Lagoudakis Pavlos G.,
Harley Richard T.,
Charlton Martin D. B.,
Talapin Dmitri V.,
Huang Hong Wen,
Lin ChungHsiang
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.200902262
Subject(s) - materials science , energy transfer , light emitting diode , optoelectronics , nanocrystal , quantum dot , radiative transfer , diode , energy conversion efficiency , quantum efficiency , energy transformation , excitation , transfer printing , nanotechnology , optics , engineering physics , composite material , physics , electrical engineering , engineering , thermodynamics
An efficient hybrid color‐conversion light‐emitting device consisting of colloidal nanocrystal quantum dots (NQDs) and a surface‐patterned GaN‐based LED is demonstrated (see figure). Excitation in a surface‐patterned LED is efficiently transferred to NQD emitters via non‐radiative energy transfer. A twofold enhancement of the NQD emission is achieved.