Affiliation:
1. Department of Chemical Engineering and Biotechnology Korea Polytechnic University Siheung‐Si 429‐793 Korea
Abstract
(3‐(2‐Benzotriazolovinyl)thiophene (BVT) containing an electron‐transporting moiety was polymerized through FeCl3
oxidation. In addition, BVT was copolymerized with different functional groups: 3‐octylthiophene (OT) containing alkyl groups for improving the solubility in common organic solvents; N‐octylcarbazolylene (OcCz) containing hole‐transporting groups for improving the optical property; and the alkyl groups for improving the solubility. Soluble π‐conjugated poly(3‐(2‐benzotriazolovinyl)thiophene‐co‐3‐(2‐benzotriazoloethylthiophene)‐co‐N‐octylcarbazolene) ([(BVT)
n
‐(BET)
m
‐OcCz2
)
y
) copolymer was synthesized.
1H NMR analysis was used to verify the structure of the polyBVT copolymers. Especially, the emission of the ([(BVT)
n
‐(BET)
m
‐OcCz2
]
y
) copolymer (662 nm) was red‐shifted by about 64 nm, compared to that of poly(3‐(2‐benzotriazolo‐ethyl)thiophene) (polyBET, 598 nm).
Cited by
1 articles.
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