Journal
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
Volume 27, Issue 5, Pages 5020-5032Publisher
SPRINGER
DOI: 10.1007/s10854-016-4389-5
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Funding
- University Grants Commission, New Delhi, India under Major Research Project Scheme (MRP) [42-903/2013(SR)]
- University Grants Commission, New Delhi, India under Rajiv Gandhi National Fellowship [F1-17.1/2011-12/RGNF-SC-TAM-4843]
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Selective faceted growth of highly ordered TiO2 (002) nanorods were coated over fluorine doped tin oxide (FTO) substrate prepared by facile and cost effective hydrothermal method for different reaction temperatures (100, 120, 140 and 160 A degrees C). The rutile phase TiO2 and highly preferential oriented along (002) plane were confirmed from the XRD pattern. The TiO2 thin film, prepared with different reaction temperature consisting of anisotropic structures was analysed by SEM and the elemental composition of the films was identified using EDAX. The optical band gap of the TiO2 thin films was found to be 3.5-3.1 eV using UV-visible spectroscopy. The presence of rutile TiO2 phase was confirmed from raman analysis. As a result of photoluminescence studies, improvement of charge separation with low recombination rate was observed in TiO2 thin films. The anionic (Congo Red, Direct Red) and cationic (Rhodamine B and Malachite Green) dye decolorisation of the TiO2 thin films was investigated under visible light from photocatalytic activity.
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