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Annealing driven performance and optical effects in nanocrystalline SnO2 thin films induced by pulsed delivery |
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| Authors: | G He G BhatZW Chen |
| Affiliation: | a Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control, School of Environmental Science and Engineering, Nanjing University of Information Science & Technology, Nanjing 210044, People''s Republic of China b Department of Material Science and Engineering (UTNRL), The University of Tennessee, Knoxville, TN 37996, USA c School of Environmental and Chemical Engineering, Shanghai University, Shanghai 200444, People''s Republic of China |
| Abstract: | Tin dioxide thin films were prepared successfully by pulsed laser deposition techniques on glass substrates. The thin films were then annealed for 30 min from 50 °C to 550 °C at 50 °C intervals. The influence of the annealing temperature on the microstructure and optical properties of SnO2 thin films was investigated using X-ray diffraction, optical transmittance and reflectance measurements. Various optical parameters, such as optical band gas energy, refractive index and optical conductivity were calculated from the optical transmittance and reflectance data recorded in the wavelength range 300-2500 nm. We found that the SnO2 thin film annealed at temperatures up to 400 °C is a good window material for solar cell application. Our experimental results indicated that SnO2 thin films with the high optical quality could be synthesized by pulsed laser deposition techniques. |
| Keywords: | Oxide materials Thin films Microstructure Optical properties |
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