Document Detail

All-polymer optoelectronic devices
MedLine Citation:
PMID:  10398595     Owner:  NLM     Status:  Publisher    
Composites of nanoparticles and conjugated polymers that exhibit composition-tunable optical constants have been developed for use in semiconducting photonic structures. For example, the 550-nanometer wavelength in-plane refractive index of poly(p-phenylenevinylene)-silica composites can be tailored over the range of 1.6 to 2.7, allowing efficient distributed Bragg reflectors and waveguides to be fabricated. Low levels of chemical doping improve electrical conductivity through these structures without detriment to their photonic properties. Exemplifying these concepts, all-polymer microcavities and microcavity light-emitting diodes were demonstrated. Appropriate confinement of photons and electron-hole pairs in these organic semiconductor-based structures can be achieved.
Ho; Thomas; Friend; Tessler
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Publication Detail:
Journal Detail:
Title:  Science (New York, N.Y.)     Volume:  285     ISSN:  1095-9203     ISO Abbreviation:  Science     Publication Date:  1999 Jul 
Date Detail:
Created Date:  1999-07-16     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0404511     Medline TA:  Science     Country:  -    
Other Details:
Languages:  Eng     Pagination:  233-6     Citation Subset:  -    
Cavendish Laboratory, Madingley Road, Cambridge CB3 0HE, UK.
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