Synthesis and Application of PEDOT: PSVMA/AuNPs Conductive Inks

doi:10.7517/j.issn.1674-0475.2016.05.452

Abstract

Abstract:

In this paper, styrene sulfonate (SS), 7-(4-vinylbenzyloxyl)-4-methylcoumarin (VM) and acrylic acid(AA)were polymerized by free radical copolymerization to form the photosensitive amphiphilic alternating copolymer P(SS-co-VM-co-AA) (PSVMA). The structure of PSVMA were confirmed by ¹HNMR and UV-Vis spectroscopy. PSVMA was used as the soft template to achieve the oxidative polymerization of poly(3, 4-ethylenedioxythiophene) (PEDOT) meanwhile acted as the dopant of PEDOT. Gold precursor chloroauric acid was used as the oxidant for the oxidative polymerization and caused the situ reduction of gold nanoparticles at the same time. The stable PEDOT:PSVMA/AuNPs photosensitive aqueous dispersion was obtained, and mean diameter was 66.7±0.5 nm. PEDOT:PSVMA/AuNPs aqueous dispersion was used as the base ink to achieve the conductive inkjet printing ink with suitable surface tension and viscosity, obtaining flexible conductive film on photopaper and PET substrates by inkjet printing. Those devices showed good conductivity. At the same time, PEDOT:PSVMA/AuNPs could be cross-linked after photo-dimerization of coumarin group, which can improve the devices' water resistance.

Key words: conductive compounds, PEDOT, gold nanoparticles, amphiphilic polymers

ZHANG Yulin, PENG Bo, YUAN Yan, LIU Ren, LIU Jingcheng, LI Zhiquan, LIU Xiaoya. Synthesis and Application of PEDOT: PSVMA/AuNPs Conductive Inks[J]. Imaging Science and Photochemistry, 2016, 34(5): 452-464.

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