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METHODS OF MAKING ORGANIC PHOTOVOLTAIC CELLS HAVING IMPROVED HETEROJUNCTION MORPHOLOGY
METHODS OF MAKING ORGANIC PHOTOVOLTAIC CELLS HAVING IMPROVED HETEROJUNCTION MORPHOLOGY
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机译:制备具有改进异质结形态的有机光伏细胞的方法
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摘要
Methods of making a photovoltaic device with an organic liquid precursor having electron donor, electron acceptor, and liquid carrier are provided. The liquid precursor is applied to an electrode. A gas permeable layer/stamp contacts and applies pressure to the organic liquid precursor removing liquid carrier to form a solid active material with uniform interpenetrating network domains of electron donor/acceptor materials. A two-step process is also contemplated. A liquid precursor with either electron donor or acceptor is applied to an electrode, contacted under pressure with a first stamp having a nanoscale pattern, thus forming a solid with a patterned surface. Then, a second liquid precursor with the other of the electron donor or acceptor is applied to the patterned surface, contacted with a second stamp under pressure to form the active material. A transparent conducting electrode with material nanograting can be formed. The methods also include continuous processing, like roll-to-roll manufacturing.
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