Synthesis and Characterization of Fluorine-Doped Tin Oxide Nanocrystals Prepared by Sol-Gel Method

Jun Qing Tian; Hai Ying Shi; Wei Zheng

doi:10.4028/www.scientific.net/AMR.977.59

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 977Synthesis and Characterization of Fluorine-Doped...

Synthesis and Characterization of Fluorine-Doped Tin Oxide Nanocrystals Prepared by Sol-Gel Method

Abstract:

Fluorine-doped tin dioxide (FTO) nanocrystals were prepared with sol–gel method using SnCl₄·5H₂O and NH₄F as precursor material. The FTO was characterized with X-ray Diffraction (XRD), Scanning Electron Microscopy (SEM), Differential Thermal Analysis and Thermal Grativity (DTA-TG) and Infrared Radiation (IR) respectively. The electrical property was measured with Hall Effect Sensor. The result of XRD and SEM shows that FTO nanocrystal size is about 20 nm and the dimension of the grain is about 300 nm. IR spectrum analysis proves fluorine doping. The crystal phase transformation was discussed with DTA-TG curve. When the sintering temperature is 450°C, the sintering time is 60 min, and the molar ratio of F to Sn is 2:10, the sheet resistance of FTO film is 107Ω/□.

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Advanced Materials Research (Volume 977)

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59-62

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https://doi.org/10.4028/www.scientific.net/AMR.977.59

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June 2014

Authors:

Jun Qing Tian, Hai Ying Shi, Wei Zheng*

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Fluorine-Doped Tin Dioxide, Nanocrystal, Sol-Gel Method

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