Intercalation of conducting poly(N-propane sulfonic acid aniline) in V2O5 xerogel
✍ Scribed by Jing Zhao; Gengchao Wang; Xingwei Li; Chunzhong Li
- Publisher
- John Wiley and Sons
- Year
- 2006
- Tongue
- English
- Weight
- 251 KB
- Volume
- 103
- Category
- Article
- ISSN
- 0021-8995
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✦ Synopsis
Abstract
Poly(N‐propane sulfonic acid aniline) (PSPAN) can be formed between the lamellas of V~2~O~5~ xerogel by in situ oxidative polymerization/intercalation of N‐propane sulfonic acid aniline in the presence of air (V~2~O~5~ being the oxidation agent). The PSPAN/V~2~O~5~ nanocomposites were characterized by XRD, TEM, TGA, FTIR, UV–vis‐NIR, and conductivity measurement. The results show that the V~2~O~5~ maintains lamellar structure, but its interlayer spacing has increased from 1.18 to 1.31 nm. The FTIR spectra indicate that there is interaction between negatively charged oxygen of the sulfonic group of PASPN and the vanadium ion in V~2~O~5~ matrix. The electrical conductivity of PSPAN/V~2~O~5~ nanocomposite reached the value of 1.2 × 10^−2^ S/cm, which is 10^4^ times higher than that of the V~2~O~5~ xerogel, and is 10^2^ times more than that of the PSPAN. It was found that the aging in air facilitated the chain growth of PSPAN between the V~2~O~5~ lamellas, resulting in the increase of the electrical conductivity. © 2006 Wiley Periodicals, Inc. J Appl Polym Sci 103: 2569–2574, 2007