Abstract
An inorganic/organic hetrostructure diode was constructed by the electrophoretic deposition of the p-type polyaniline (PANI) on an n-type titanium oxide (TiO 2) nanoparticulate thin film. The bonding and internalization of PANI to TiO 2 nanoparticulate thin film were confirmed by the morphological, structural and optical studies of electrophoretically deposited PANI/TiO 2 nanoparticulate thin film. The increased size of TiO 2 nanoparticles indicated the well penetration of PANI molecules into the pores of mesoporous TiO 2 nanoparticulate thin film. The XPS studies of PANI/TiO 2 heterostructure exhibited the surface bonding and interaction between PANI molecules and TiO 2 nanoparticles. The current-voltage (I-V ) characterization of PANI/TiO 2 heterostructure was carried out in the forward and the reverse bias at the applied voltage ranges from -1 V to +1 V with a scan rate of 2 mV/s. The constructed Pt/PANI/TiO 2 heterostructure device established diodic behavior with non-linear nature of I-V curves.
| Original language | English |
|---|---|
| Pages (from-to) | 1559-1564 |
| Number of pages | 6 |
| Journal | Journal of nanoscience and nanotechnology |
| Volume | 11 |
| Issue number | 2 |
| DOIs | |
| State | Published - 2011.02 |
Keywords
- Electrophoretic deposition
- I-V characteristics
- Nanoparticulates
- Polyaniline
- XPS analysis
Quacquarelli Symonds(QS) Subject Topics
- Materials Science
- Engineering - Chemical
- Chemistry
- Physics & Astronomy
- Biological Sciences
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