, Volume 13, Issue 4, pp 235–240 | Cite as

Photovoltaic activity in a ZnSe/PEO–chitosan blend electrolyte junction

  • S. A. Mohamad
  • M. H. Ali
  • R. Yahya
  • Z. A. Ibrahim
  • A. K. Arof
Original Paper


Thin films of ZnSe and PEO–chitosan blend polymer doped with NH4I and iodine crystals were prepared to form the two sides of a semiconductor electrolyte junction. ZnSe was electrodeposited on indium tin oxide (ITO) conducting glass. The polymer is a blend of 50 wt% chitosan and 50 wt% polyethylene oxide. The polymer blend was complexed with ammonium iodide (NH4I), and some iodine crystals were added to the polymer–NH4I solution to provide the I/I3−redox couple. The room temperature ionic conductivity of the polymer electrolyte is 4.32 × 10−6 S/cm. The polymer film was sandwiched between the ZnSe semiconductor and an ITO glass to form a ZnSe/polymer electrolyte/ITO photovoltaic cell. The open circuit voltage (V oc) of the fabricated cells ranges between 200 to 400 mV and the short circuit current between 7 to 10 μA.


ZnSe PEO Chitosan Redox couple Photovoltaic properties 



The authors thank the University of Malaya for the facilities used in the above work.


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Copyright information

© Springer-Verlag 2007

Authors and Affiliations

  • S. A. Mohamad
    • 1
  • M. H. Ali
    • 2
  • R. Yahya
    • 3
  • Z. A. Ibrahim
    • 2
  • A. K. Arof
    • 2
  1. 1.Centre for Foundation StudiesInternational Islamic University MalaysiaPetaling JayaMalaysia
  2. 2.Physics DepartmentUniversity of MalayaKuala LumpurMalaysia
  3. 3.Chemistry DepartmentUniversity of MalayaKuala LumpurMalaysia

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