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Optical and Morphological Properties of Sol Gel derived Titanium dioxide Films

Sharma, AB and Sharma, SK and Vishwas, M and Rao, Narasimha K (2015) Optical and Morphological Properties of Sol Gel derived Titanium dioxide Films. In: 4th National Conference on Advanced Materials and Radiation Physics (AMRP), MAR 13-14, 2015, S L I E T, Dept Phys, Longowal, INDIA.

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Official URL: http://dx.doi.org/10.1063/1.4929169

Abstract

Titanium oxide (Titania) thin films were synthesized on different substrates via the sol-gel dip-coating method using alkoxide solution. Some selected samples were also prepared with different percentage of Lead (Pb). The influence of Pb addition in precursor sol on the optical properties of titanium dioxide thin films was studied. The optical transmittance in the visible region has increased with increase in weight percentage of lead. The refractive index was slightly decreased with Pb addition. Crystallization of these coatings was achieved through thermal annealing at temperatures above 400 degrees C. The structural properties and surface morphology of the crystallized coatings were studied by Scanning Electron Microscopy. Increase in average grain size from 250 nm to 350 nm with increase in Pb concentration is observed. Films were appeared to more coarse with increase in Pb addition. An increase in Pb addition resulted increase in average roughness from 12 nm to 25 nm.

Item Type: Conference Proceedings
Additional Information: Copy right for this article belongs to the AMER INST PHYSICS, 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
Department/Centre: Division of Interdisciplinary Research > Centre for Nano Science and Engineering
Division of Physical & Mathematical Sciences > Instrumentation Appiled Physics
Depositing User: Id for Latest eprints
Date Deposited: 12 Apr 2016 06:27
Last Modified: 12 Apr 2016 06:27
URI: http://eprints.iisc.ac.in/id/eprint/53664

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