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New light‐emitting poly{(9,9‐di‐ n ‐octylfluorenediyl vinylene)‐ alt ‐[1,5‐(2,6‐dioctyloxy)naphthalene vinylene]}
Author(s) -
Anuragudom Piched,
Eldaye Jad,
Chinwangso Pawilai,
Advincula Rigoberto C,
Phanichphant Sukon,
Lee T Randall
Publication year - 2011
Publication title -
polymer international
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.592
H-Index - 105
eISSN - 1097-0126
pISSN - 0959-8103
DOI - 10.1002/pi.2999
Subject(s) - materials science , electroluminescence , copolymer , fluorene , naphthalene , thermal stability , indium tin oxide , polymer , polymerization , polymer chemistry , conjugated system , photoluminescence , pedot:pss , photochemistry , light emission , optoelectronics , nanotechnology , chemistry , thin film , organic chemistry , layer (electronics) , composite material
A new conjugated light‐emitting AB copolymer containing alternating fluorene and naphthalene units, poly{(9,9‐di‐ n ‐octylfluorenediyl vinylene)‐ alt ‐[1,5‐(2,6‐dioctyloxy)naphthalene vinylene]} (PFV‐ alt ‐PNV), was synthesized via Horner‐Emmons polymerization. The polymer is completely soluble in common organic solvents and exhibits good thermal stability up to 400 °C. UV‐visible, fluorescence and photoluminescence measurements of the copolymer show peak maxima at 427, 500 and 526 nm, respectively. A light‐emitting device containing the new polymer was fabricated using a simple indium tin oxide configuration: (ITO)/PEDOT:PSS/PFV‐ alt ‐PNV/Al. Measurements of current versus electric field were carried out, with an onset of light emission occurring at 2.5 V. The electroluminescence brightness was observed to reach a maximum of 5000 cd m −2 . Copyright © 2011 Society of Chemical Industry
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