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Electropolymerization and Properties of Poly (3-anilinethiophene) Thin Film


Paper Type 
Contributed Paper
Title 
Electropolymerization and Properties of Poly (3-anilinethiophene) Thin Film
Author 
Saengrawee Sriwichai*[a,b], Paphawadee Netsuwan [c], Sukon Phanichphant [b] and Akira Baba [d]
Email 
saengrawee.s@cmu.ac.th
Abstract:
The poly(3-anilinethiophene) (P3AT) thin film was prepared by electropolymerization of its monomer, 3-anilinethiophene, on indium tin oxide (ITO) and
gold-coated high refractive index glass substrates which were also used as working electrodes in electrochemical measurements. The obtained film was characterized by UV-vis absorption, Fourier-transform infrared (FT-IR) and surface plasmon resonance (SPR) spectroscopy which indicating the formation
of P3AT on the substrates. The UV-vis and FT-IR results confirmed the formation of this polythiophene homopolymer containing primary amine groups as substituent groups. The surface morphology of the films after applying various constant potentials (-0.2, 0.5 and 0.6 V) compared with open circuit potential
in neutral phosphate buffered saline (pH 7.4) solution was studied by atomic force microscopy (AFM). The P3AT film at different applied potentials showed different surface morphologies and roughnesses. The obtained polymer film should be suitable for construction of immunosensors in the future.  
Start & End Page 
863 - 869
Received Date 
2013-06-03
Revised Date 
Accepted Date 
2014-11-05
Full Text 
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Keyword 
poly(3-anilinethiophene), electropolymerization, thin film, cyclic voltammetry, surface plasmon resonance (SPR)
Volume 
Vol.43 No.4 (JULY 2016)
DOI 
Citation 
Sriwichai*[a S., B] , [c] P.N., [b] S.P. and [d] A.B., Electropolymerization and Properties of Poly (3-anilinethiophene) Thin Film, Chiang Mai Journal of Science, 2016; 43(4): 863-869.
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