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Thin-film polycrystalline silicon on glass obtained by crystallization of hydrogenated amorphous silicon (a-Si:H) films is an interesting alternative for thin-film silicon solar cells. Although the solar-cell efficiencies are still limited, this technique offers excellent opportunity to study the influence of B-doping on the crystallisation process of a-Si:H. Our approach is to slowly crystallize...
Thin (1 μm) a-Si:H films have been deposited on glass at high-deposition rate (8 nm/s) and high substrate temperature (400 °C) by the expanding thermal plasma technique (ETP). After a Solid Phase Crystallization treatment at 650 °C for 10 h, many crystal grains are found to extend over the entire thickness (1 μm) of the polycrystalline silicon (poly-Si) films. This result indicates that the scalable,...
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