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Local metal contacts by local laser conversion of functional films in solar cells
Local metal contacts by local laser conversion of functional films in solar cells
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机译:通过局部激光转换太阳能电池中的功能膜来实现局部金属接触
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摘要
A solar cell, including contact metallization formed using selective laser irradiation. An upper layer is formed in the solar cell including a material which can be selectively modified to electrical contacts upon laser irradiation. Selective laser irradiation is applied to at least one region of the upper layer to form at least one electrical contact in the layer. A remaining region of the upper layer may be a functional layer of the solar cell which need not be removed. The upper layer may be, e.g., a transparent, conductive film, and anti-reflective film, and/or passivation. The electrical contact may provide an electrically conductive path to at least one region below the upper layer of the solar cell.
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