Optical and Electrical Properties of Large Area SnO2: F Thin Films by Spray Pyrolysis

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SnO2:F transparent conductive thin films with the area of 500×500mm2 were deposited on glass substrates by spray pyrolysis using SnCl4•5H2O and HF as the starting material and dopant respectively in methanol. The effects of HF concentration on the crystallized status, microstructures, transmittance, conductivity and low emissivity performances of the films have been studied. The results indicated that when HF content was excessive the solution presented strong acidity and it was difficult to obtain the uniform and dense films. However, when HF content was less, the conductivity of the film was poor. In this paper, The optimal mount of dopant HF was investigated and the molar ratio of Sn to F is 1:0.5. And also the uniform and dense SnO2:F transparent conductive oxide thin films can be obtained, whose resistivity reached 6.36×10-4Ω•cm, and the average transmittance in visible region was 80%.The low emissivity of this film was 0.25, which could be used as the Low-E glass.

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Periodical:

Edited by:

Hyungsun Kim, JianFeng Yang, Tohru Sekino, Masakazu Anpo and Soo Wohn Lee

Pages:

81-84

DOI:

10.4028/www.scientific.net/MSF.658.81

Citation:

G. Y. Zhao et al., "Optical and Electrical Properties of Large Area SnO2: F Thin Films by Spray Pyrolysis", Materials Science Forum, Vol. 658, pp. 81-84, 2010

Online since:

July 2010

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$35.00

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