Paper Title:

Effect of Substrate Temperature on the Haze and Properties of SnO2: F Thin Film Coated on Glass (FTO) by Spray Pyrolysis Process

Periodical Advanced Materials Research (Volumes 150 - 151)
Main Theme Advances in Composites
Edited by Jinglong Bu, Zhengyi Jiang and Sihai Jiao
Pages 1043-1048
DOI 10.4028/www.scientific.net/AMR.150-151.1043
Citation Qing Nan Zhao et al., 2010, Advanced Materials Research, 150-151, 1043
Online since October, 2010
Authors Qing Nan Zhao, Shuo Wu, Deng Kui Miao
Keywords FTO Films Coated on Glass, Haze, Spray Pyrolysis Process, Substrate Temperature
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The textured thin films of fluorine-doped tin oxide (FTO) were prepared onto preheated glass substrates by a spray pyrolysis technique, using dehydrate stannous chloride (SnCl2:2H2O) and ammonium fluoride (NH4F) mixed with alcohol, as precursor. The haze and properties of the films heat treated at different temperatures from 400 to 550 were characterized by X-ray diffraction (XRD), 3D Digitale Mikroskop, Atomic Force Microscopy, UV-Vis spectrometer, sphere photometer and four-probe instrument. The results show that, with the increase of the substrate temperature, XRD peaks become sharper, the grain sizes grow up rapidly, and the crystal structure is improved gradually; the surface topography become like the islands and the haze achieves 16.47%. The lowest sheet resistance of the films is 9.7Ω/□. The effect of the substrate temperature on the haze, electric property and optical transmittance of the FTO films has been discussed in detail. The results show textured SnO2:F thin film deposited onto preheated glass substrates by a spray pyrolysis technique would be used as transparent electrode in amorphous silicon(a-Si) solar cells due to its excellent properties.

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