Complex And Nano-Structured Amorphous Carbon Films From Hydrocarbon Palm Oil As A P-Type In Photovoltaic Heterojunction Solar Cell Applications
A. Ishak, M. Rusop
Index Terms: Amorphous carbon, Palm-oil, Negative bias, Boron doping, Carbon film
Abstract: The complex and nano-structured amorphous carbon as p-type films prepared from natural palm oil precursor for heterojunction solar cell were presented. Field-emission scanning electron microscopy (FESEM) revealed the nano structured films had particle size in the range of 28 to 34 nm. The energy-dispersive spectroscopy (EDS) showed the existing of carbon in complex-structured amorphous carbon film and carbon together with boron in nano-structured amorphous carbon film. Solar simulator analysis results showed an open circuit voltage (VOC), current density (JSC), fill-factor(FF) and conversion efficiency (η) of Au/a-C/n-Si/Au were 264.62 mV, 1.50434 mA/cm2, 0.32632, and 0.130154 %, respectively. Meanwhile, the VOC, JSC, FF and η of Au/a-C:B/n-Si/Au solar cell were 271.25 mV, 14.91723 mA/cm2, 0.33582, and 1.542622 %, respectively. The conversion efficiency was increased as the p-type a-C:B film in the nanostructured form.
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