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Title: Novel soluble regioregular homopolymer and copolymers incorporating 3,3′-dibutylsulfanyl-2,2′-bithiophene
Authors: Ng, S.C. 
Chan, H.S.O. 
Miao, P.
Tan, K.L. 
Keywords: 3,3′-Dibutylsulfanyl-2,2′-bithiophene
Polythiophene and derivatives
Issue Date: 15-Oct-1997
Citation: Ng, S.C.,Chan, H.S.O.,Miao, P.,Tan, K.L. (1997-10-15). Novel soluble regioregular homopolymer and copolymers incorporating 3,3′-dibutylsulfanyl-2,2′-bithiophene. Synthetic Metals 90 (1) : 25-30. ScholarBank@NUS Repository.
Abstract: Homopolymer of the symmetrical 3,3′-dibutylsulfanyl-2,2′-bithiophene (DBSBT) and copolymer of DBSBT with thiophene or bithiophene were prepared by nickel-catalyzed Grignard cross-coupling polymerization. These new solvent-processible regioregular copolymers have UV absorption maxima at about 500 nm in deposited film with a bandgap of 1.7-1.8 eV. They were readily doped by iodine and FeCl3 to an electrical conductivity of 10-3-10-2 S cm-1. The polymers were characterized by FT-IR, NMR, X-ray photoelectron spectroscopy (XPS) spectra and cyclic voltammetry. © 1997 Elsevier Science S.A.
Source Title: Synthetic Metals
ISSN: 03796779
Appears in Collections:Staff Publications

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