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Ionics

, Volume 16, Issue 7, pp 639–644 | Cite as

Fabrication of a nanoparticle TiO2 photoelectrochemical cell utilizing a solid polymeric electrolyte of PAN–PC–LiClO4

  • Rika Taslim
  • M. Y. A. RahmanEmail author
  • M. M. Salleh
  • A. A. Umar
  • A. Ahmad
Original Paper

Abstract

A nanoparticle TiO2 solid-state photoelectrochemical cell utilizing as a solid electrolyte of poly(acrylonitrile)–propylene–carbonate–lithium perchlorate (PAN–PC–LiClO4) has been fabricated. The performance of the device has been tested in the dark and under illumination of 100-mW cm−2 light. A nanoparticle TiO2 film was deposited onto indium tin oxide-covered glass substrate by controlled hydrolysis technique assisted with spin-coating technique. The average grain size for the TiO2 film is 76 nm. LiClO4 salt was used as a redox couple. The room temperature conductivity of the electrolyte is 4.2 × 10−4 S cm−1. A graphite electrode was prepared onto a glass slide by electron beam evaporation technique. The device shows the rectification property in the dark and shows the photovoltaic effect under illumination. The best J sc and V oc of the device were 2.82 μA cm−2 and V oc of 0.58 V, respectively, obtained at the conductivity of 4.2 × 10−4 S cm−1 and intensity of 100 mW cm−2. The J sc was improved by about three times by introducing nanoparticle TiO2 and by using a solid electrolyte of PAN–PC–LiClO4 replacing PVC–PC–LiClO4 in the device. The current transport mechanism of the cell is also presented in this paper.

Keywords

Hydrolysis technique Ionic conductivity Nanoparticle TiO2 PAN–PC–LiClO4 

Notes

Acknowledgments

The authors are very thankful to the School of Food Technology and Chemical Sciences and Faculty of Science and Technology, UKM for the nanoparticle TiO2 synthesis and its characterization and the solar cell testing in dark and under illumination. This work was funded by MOSTI under the eScience grant no. 03-02-03-SF0080.

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Copyright information

© Springer-Verlag 2010

Authors and Affiliations

  • Rika Taslim
    • 1
  • M. Y. A. Rahman
    • 1
    Email author
  • M. M. Salleh
    • 2
  • A. A. Umar
    • 2
  • A. Ahmad
    • 3
  1. 1.College of EngineeringUniversiti Tenaga NasionalKajangMalaysia
  2. 2.Institute of Microelectronics and Engineering (IMEN)Universiti Kebangsaan MalaysiaBangiMalaysia
  3. 3.School of Chemical Sciences and Food Technology, Faculty of Science and TechnologyUniversiti Kebangsaan MalaysiaBangiMalaysia

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