✦ LIBER ✦

Characterization of Au-metal nanoparticle-hybridized poly (3,4-ethylenedioxythiophene) films for electrochromic devices

✍ Scribed by Lee, Jong Seok ;Choi, Yong-June ;Wang, Seok-Joo ;Park, Hyung-Ho ;Pyun, Jae Chul

Book ID: 105366191
Publisher: John Wiley and Sons
Year: 2010
Tongue: English
Weight: 535 KB
Volume: 208
Category: Article
ISSN: 0031-8965
DOI: 10.1002/pssa.201026201

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✦ Synopsis

Abstract

In order to enhance the electrochromic properties of poly (3,4‐ethylenedioxythiophene) (PEDOT), Au/PEDOT nano‐hybrid thin films were prepared from a Au nanoparticle (Au NP), 3,4‐ethylenedioxythiophene (EDOT), iron p‐toluenesulfonate and imidazole mixture. The incorporation of Au NPs slightly affected the surface roughness of PEDOT films but had an important impact on the conjugation length and packing density of PEDOT due to the physical volume effect. An enhancement in the electrochromic properties of PEDOT was obtained, in particular, a 50% reduction in the switching speed of PEDOT with a blue shift of the maximum absorption peak in the ultra violet‐visible spectroscopic analysis.

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