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Effect of Incorporation of Silver on the Electrical Properties of Sol-Gel-Derived Titania Film

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Abstract

Metallic Ag nanoparticles-incorporating titania films were prepared using the sol-gel method. X-ray diffraction (XRD) patterns, UV/Vis optical spectra and transmission electron microscopy (TEM) images were recorded to characterize the Ag/titania composite films. Electrometer was used to estimate the resistance of Ag/titania composite film to understand the effect of the incorporation of metallic Ag nanoparticles on the electrical properties of titania film. The results showed that metallic Ag nanoparticles distributed randomly in titania film and most metallic Ag particles size was in the range of 5–15 nm. The agglomeration of a small quantity of metallic Ag particles occurred and when the amount of Ag species was increased the agglomeration was enhanced. The resistance of Ag/titania composite films decreased greatly compared with pure titania film.

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Acknowledgment

National Natural Science Foundation of China, No. 50672086, supported the project.

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Authors and Affiliations

  1. State Key Laboratory of Silicon Materials, Department of Materials Science and Engineering, Zhejiang University, Hangzhou, 310027, People’s Republic of China

    Hong Li, Gaoling Zhao & Gaorong Han

  2. Department of Physics, Zhejiang University, Hangzhou, 310027, People’s Republic of China

    Bin Song

Authors
  1. Hong Li
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  2. Gaoling Zhao
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  3. Bin Song
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  4. Gaorong Han
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Correspondence to Bin Song.

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Li, H., Zhao, G., Song, B. et al. Effect of Incorporation of Silver on the Electrical Properties of Sol-Gel-Derived Titania Film. J Clust Sci 19, 667–673 (2008). https://doi.org/10.1007/s10876-008-0207-4

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  • DOI: https://doi.org/10.1007/s10876-008-0207-4

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