Journal
SOLAR ENERGY
Volume 120, Issue -, Pages 381-388Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.solener.2015.07.044
Keywords
Optical properties; Lithium niobate; Analysis
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Funding
- UniMAP [9007-00111, 9007-00185]
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Lithium niobate (LN) is deposited on quartz substrate by sol-gel method. The solution is deposited at different molarity concentration and annealed at 500 degrees C. The LNs are analyzed by UV-visible and Photoleuminces. The results show when the concentration increases, the films crystallize to be more regular distribution of atoms and the energy band gap approaches 4 eV. Transmission spectra were taken in the wavelength range 400-1100 nm. Optical investigations of band gap, refractive index, extinction coefficient, dielectric constant and Urbach energy were also elaborated. (C) 2015 Elsevier Ltd. All rights reserved.
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