期刊
JOURNAL OF MATERIALS CHEMISTRY
卷 21, 期 6, 页码 1946-1952出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c0jm02412k
关键词
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资金
- Natural Science Foundation of China [20731002, 20971019]
- Fundamental Research Funds for the Central Universities [09SSXT122]
A composite film containing poly(3,4-ethylenedioxythiophene) (PEDOT), polyoxometalate (POM) clusters K6P2W18O62 center dot 14H(2)O (P2W18) and polyallylamine hydrochloride (PAH) was fabricated by a smart combination of layer-by-layer (LbL) with electro-polymerization methods. The composite film displays enhanced electrochromic performance by incorporation of P2W18 into the PEDOT film. The electrochromic property of the film is significantly improved, resulting in an optical contrast of 54.7% at 600 nm and an absorbance that does not change after 1500 cycles. Additionally, the film provides broader absorption throughout the visible region. These results demonstrate the essential role of POMs in improving functionality on PEDOT for applications in electrochromic devices.
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