Method of making a solar cell
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United States of America Patent
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Aug 9, 2016
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N/A
app pub date -
Dec 30, 2015
filing date -
Oct 16, 2015
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Abstract
A method of making a solar cell includes: preparing an active layer solution including p-type and n-type organic semiconductor materials, a solvent, and an additive, the additive containing 1, 8-iodooctane (DIO) and 1-chloronaphthalene (CN) that has a total volume not greater than 3 vol % based on a total volume of the solvent and the additive; preparing an assembly having a substrate, a first electrode layer, and a first transporting layer; coating the active layer solution on the first transporting layer to form a wet active layer; drying the wet active layer at a temperature not greater than 60° C.; and forming a second transporting layer and a second electrode layer on the active layer.
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