Polymer/nanoporous silica nanocomposite blue-light-emitting diodes

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The use of polymer light-emitting devices is hindered by their poor stability on exposure to oxygen and moisture as well as by their low quantum efficiency. In the case of blue-light-emitting polymers, an additional major concern is the presence of long-wavelength tails in their emission spectra. With the aim of simultaneously overcoming all these drawbacks, a blue-light-emitting polymer/mesoporous silica nanocomposite was prepared by blending poly(9,9-dioctylfluorene) with nanosized MCM-41. This nanocomposite film shows dramatically increased photostability and colour purity, as well as higher electroluminescence output.
Publisher
IOP PUBLISHING LTD
Issue Date
2005-09
Language
English
Article Type
Article
Keywords

CONJUGATED POLYMERS; ENERGY-TRANSFER; POLYFLUORENE; ELECTROLUMINESCENCE; PHOTOLUMINESCENCE; DERIVATIVES; COMPOSITES; STABILITY

Citation

NANOTECHNOLOGY, v.16, no.9, pp.1793 - 1797

ISSN
0957-4484
DOI
10.1088/0957-4484/16/9/064
URI
http://hdl.handle.net/10203/4439
Appears in Collection
CBE-Journal Papers(저널논문)
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