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RGB Emission through Controlled Donor Self‐Assembly and Modulation of Excitation Energy Transfer: A Novel Strategy to White‐Light‐Emitting Organogels
Author(s) -
Vijayakumar Chakkooth,
Praveen Vakayil K.,
Ajayaghosh Ayyappanpillai
Publication year - 2009
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.200802932
Subject(s) - materials science , energy transfer , acceptor , white light , excitation , optoelectronics , photochemistry , modulation (music) , monomer , self assembly , nanotechnology , polymer , chemistry , chemical physics , physics , engineering , electrical engineering , composite material , condensed matter physics , philosophy , aesthetics
A white‐light‐emitting organogel is designed by the controlled self‐assembly of a bischolesterol‐functionalized OPV donor that allows slow energy migration and partial energy transfer in the gel state to an encapsulated acceptor. The white‐light emission occurs because of the combination of blue‐light emission from the OPV monomers, green‐light emission from the OPV self‐assembly, and red‐light emission from the acceptor.