Properties of aluminum doped zinc oxide thin film by sol-gel process

Yi, Sung-Hak; Choi, Seokheun; Jang, Jae-Min; Kim, Jung-A; Jung, Woo-Gwang

doi:10.1117/12.757447

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2014

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“…A thin layer of zinc oxide (ZnO) was prepared by a sol-gel method [38,39]. A 2-methoxyethanol (0.97 mL, Wako, Osaka, Japan) solution containing zinc acetate dihydrate (0.1098 g/mL, Wako, 99%) and monoethanolamine (0.03 mL, Nacalai Tesque, Kyoto, Japan) was spin-coated at 2000 rpm on a pre-cleaned indium-doped tin oxide (ITO, Xin Yan Technology, Kowloon, Hong Kong, ~10 Ω/□) glass substrate.…”

Section: Methodsmentioning

confidence: 99%

Microstructures and Photovoltaic Properties of Zn(Al)O/Cu2O-Based Solar Cells Prepared by Spin-Coating and Electrodeposition

et al. 2014

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Abstract:Copper oxide (Cu 2 O)-based heterojunction solar cells were fabricated by spin-coating and electrodeposition methods, and photovoltaic properties and microstructures were investigated. Zinc oxide (ZnO) and Cu 2 O were used as n-and p-type semiconductors, respectively, to fabricate photovoltaic devices based on In-doped tin oxide/ZnO/Cu 2 O/Au heterojunction structures. Short-circuit current and fill factor increased by aluminum (Al) doping in the ZnO layer, which resulted in the increase of the conversion efficiency. The efficiency was improved further by growing ZnO and Cu 2 O layers with larger crystallite sizes, and by optimizing the Al-doping by spin coating.

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Section: Methodsmentioning

confidence: 99%