Organic monolayer passivation and silicon heterojunction photovoltaic devices using the same
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United States of America Patent
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Jan 30, 2018
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Jun 25, 2015
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Jun 25, 2015
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Abstract
A method for inorganic surface passivation in a photovoltaic device includes etching a native oxide over an inorganic substrate, the inorganic substrate having a surface; and forming an organic monolayer on the surface of the inorganic substrate to form a heterojunction, the organic monolayer having the following formula: ˜X—Y, wherein X is an oxygen or a sulfur; Y is an alkyl chain, an alkenyl chain, or an alkynyl chain; and X covalently bonds to the surface of the inorganic substrate by a covalent bond.
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