Properties of Fe Doped Amorphous Carbon Thin Films for Photovoltaic Solar Cell Applications

Xin Yu Tan; Xiao Zhong Zhang; Cai Hua Wan; Xi Li Gao

doi:10.4028/www.scientific.net/MSF.685.110

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HomeMaterials Science ForumMaterials Science Forum Vol. 685Properties of Fe Doped Amorphous Carbon Thin Films...

Properties of Fe Doped Amorphous Carbon Thin Films for Photovoltaic Solar Cell Applications

Abstract:

The iron-doped amorphous carbon films (a-C: Fe) and Al₂O₃ films were deposited on n-type silicon substrates using pulsed laser deposition to form (a-C: Fe)/Al₂O₃/Si solar cells in a pulsed laser deposition (PLD) system. The microstructure of the films was investigated by Raman scattering spectroscopy. The electrical properties of the films were characterized by room temperature electrical conductivity (σ) and the activation energy (E_a). The results show that the Fe-doped amorphous homogeneous structure is formed by Fe diffused into a-C films after annealing treatment. The a-C: Fe films are disordered graphitized carbon system and are rich in sp². The (a-C: Fe) /Al₂O₃ /Si junction has good rectifying properties and remarkable Photovoltaic effect.

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Periodical:

Materials Science Forum (Volume 685)

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110-113

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.685.110

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Online since:

June 2011

Authors:

Xin Yu Tan, Xiao Zhong Zhang, Cai Hua Wan, Xi Li Gao

Keywords:

Amorphous Carbon, Iron Doping, Photovoltaic (PV)

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