| Citation: |
Anees A. Ansari, M. A. M. Khan, M. Naziruddin Khan, Salman A. Alrokayan, M. Alhoshan, M. S. Alsalhi. Optical and electrical properties of electrochemically deposited polyaniline-CeO2 hybrid nanocomposite film[J]. Journal of Semiconductors, 2011, 32(4): 043001. doi: 10.1088/1674-4926/32/4/043001
A A Ansari, M A M Khan, M N Khan, S A Alrokayan, M Alhoshan, M S Alsalhi. Optical and electrical properties of electrochemically deposited polyaniline-CeO2 hybrid nanocomposite film[J]. J. Semicond., 2011, 32(4): 043001. doi: 10.1088/1674-4926/32/4/043001.
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Optical and electrical properties of electrochemically deposited polyaniline-CeO2 hybrid nanocomposite film
doi: 10.1088/1674-4926/32/4/043001
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Abstract
This paper reports the optical and electrical properties of electrochemically deposited polyaniline (PANI)/cerium oxide (CeO2) hybrid nano-composite film onto indium-tin-oxide (ITO) glass substrate. UV-visible spectroscopy and I–V characteristic were performed to study the optical and electrical parameters of the electrochemically deposited film. The film exhibited a strong absorption below 400 nm (3.10 eV) with a well defined absorbance peak at around 285 nm (4.35 eV). The estimated band gap of the CeO2 sample was 3.44 eV, higher than bulk CeO2 powder (Eg = 3.19 eV) due to the quantum confinement effect. Optical and electrochemical characteristics indicated that the electrical properties of PANI/CeO2 hybrid nanocomposite film are dominated by PANI doping.-
Keywords:
- cerium oxide
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