Preparation of Nano-thin films of ZnO by Sol – Gel method and applications of solar cells Hetrojunction

Mohammed Hadi Shinen


In this research was to prepare ZnO by sol – gel method and then deposited on the( ITO - glass, Silicon wafer and glass) substrates by spin- coating  2000 rpm and then thermally treated in a furnace heat. Then the samples were examined by X-Ray, as well as UV and then was PMMA deposition at different spin sped by using spin- coating (1000, 2000 and 3000) rpm for Nano-thin film (67, 91, 182) nm respectively. Then the samples were examined to feature current and voltages darkness and light extraction efficiency of the solar cell where they were getting the best efficiency is when the thickness of the oxide42 nm and 91 nm where the polymer was 2.1%.

Keywords: Zinc oxide (ZnO), sol-gel, PMMA polymer, Nano-thin film

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ISSN (Paper)2224-3186 ISSN (Online)2225-0921

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