Synthesis and properties of silyl-substituted PPV derivative through two different precursor polymers

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We synthesized [poly(2,5-bis(trimethylsilyl)-1,4-phenylenevinylene)] (BTMS-PPV) via two different precursor polymers, i.e., a water-soluble sulfonium and an organic soluble thiophenoxy precursor polymers, and compared their properties with each other. The thiophenoxy precursor polymer shows a good thermal stability and it is eliminated from 320 degrees C. BTMS-PPV film through the thiophenoxy precursor route shows a blue-shifted UV-visible absorption and PL emission spectra compared with those from the water-soluble precursor route. A single layer EL device fabricated with BTMS-PPV from the thiophenoxy precursor polymer as an emitting layer shows the threshold voltage of 20 V and the emission maximum at about 545 nm. The external quantum efficiency of the device is greater than 6.0 x 10(-4) % photons per electron in air and room temperature condition.
Publisher
SPRINGER VERLAG
Issue Date
1998-09
Language
English
Article Type
Article
Keywords

LIGHT-EMITTING-DIODES; OPTICAL-PROPERTIES; COPOLYMERS; VINYLENE)

Citation

POLYMER BULLETIN, v.41, no.3, pp.275 - 282

ISSN
0170-0839
URI
http://hdl.handle.net/10203/78274
Appears in Collection
CH-Journal Papers(저널논문)
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