[KSCI] Korea Science Citation Index Service

http://dx.doi.org/10.3740/MRSK.2008.18.9.503

Effect of Annealing Temperature with Silver Nanoparticles Incorporation on the Electronic Structure of Poly (3, 4-ethylenedioxythiphene) : poly (styrenesulfonate) Film

Wang, Seok-Joo (Department of Ceramic Engineering, Yonsei University)
Lee, Cho-Young (Department of Ceramic Engineering, Yonsei University)
Park, Hyung-Ho (Department of Ceramic Engineering, Yonsei University)

Publication Information

Korean Journal of Materials Research / v.18, no.9, 2008 , pp. 503-506 More about this Journal

Abstract

The effect of silver nanoparticles (NPs) incorporation on the electronic properties of poly (3, 4-ethylenedioxythiphene) : poly(styrenesulfonate) (PEDOT : PSS) films was investigated. The surface of silver NPs was stabilized with trisodium citrate to control the size of silver NPs and prevent their aggregation. We obtained ca. 5 nm sized silver NPs and dispersed NPs in PEDOT : PSS solution. Sheet resistance, surface morphology, bonding state, and work function values of the PEDOT : PSS films were modified by silver NPs incorporation as well as annealing temperature. Sodium in silver NPs solution could lead to a decrease of work function of PEDOT : PSS; however, large content of silver NPs have an effect on the increase in work function, resulting from charge localization on the silver NPs and a decrease in the number of charge-trapping-related defects by chemical bond formation.

Keywords

PEDOT : PSS; silver; nanoparticle; work function; charge localization;

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Times Cited By SCOPUS : 1

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