| Autor: |
Dhanasekaran, Vickraman, Mahalingam, Thaiyan, Chandramohan, Rathinam, Peter, Jinn |
| Zdroj: |
ECS Transactions; October 2011, Vol. 35 Issue: 21 p53-60, 8p |
| Abstrakt: |
The aim of the present study is to investigate the role of pH on the structural, morphological and optical properties of the CuO films. The structural studies revealed that the deposited films are polycrystalline in nature with a cubic structure. The preferential orientation of CuO thin films is found to be along (111) plane. The microstuctural properties such as lattice parameters, crystallite size (D), dislocation density (d), and microstrain (e) were calculated. The estimated microstructural parameters revealed that the crystallite size decreases whereas the microstrain increases with increasing solution pH. The surface morphology and elemental analyzes of the films were studied using scanning electron microscopy and energy dispersive analysis by X-rays (EDX), respectively. The topography and surface roughness of the film were studied by atomic force microscopy. The indirect band gap of 1.45 eV is estimated from optical studies and the results are discussed. |
| Databáze: |
Supplemental Index |
| Externí odkaz: |
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