Preparation of photoelectrochemical cell of ITO/Cu2O/PVC-LiClO4/graphite using Cu2O films as an active layer
Date
2014-02Author
Dewi Suriyani, Che Halin
Haiza, Haroon
Ibrahim, Abu Talib
Abdul Razak, Daud
Muhammad Azmi, Abd Hamid
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Cuprous oxide (Cu2O) thin films were successfully grown on indium tin oxide (ITO) coated glass by sol-gel spin coating using diethanolamine (DEA) as a solubility agent. The films were annealed at 350 °C in 5% H2 + 95% N2 atmosphere. The films were characterized by X-ray diffraction (XRD) and field emission scanning electron microscopy (FESEM). Based on the SEM micrograph of the as obtained film, the film shows better coverage with the four sided pyramidal shape grain size of 108 nm. The prepared Cu2O thin film was used as an active electrode for photoelectrochemical cell of ITO/Cu2O/PVC-LiClO4/graphite. The photovoltaic cell was tested using current-voltage characteristic under light illumination of 100 mW/cm2.