PEROVSKITE SOLAR CELL
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United States of America Patent
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Issued Date -
Mar 17, 2016
app pub date -
May 7, 2015
filing date -
Sep 17, 2014
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Abstract
The present invention relates to a perovskite solar cell, which comprises a first electrode substrate; a perovskite material layer comprising a perovskite organic-inorganic material and a polymer additive, wherein the perovskite material layer is disposed above the first electrode substrate; and a second electrode, which is disposed above the perovskite material layer and corresponds to the first electrode substrate. The coverage of the perovskite material layer on the electrode or an electron-transport layer is significantly improved, and the roughness thereof is also decreased, thereby increasing the photoelectric conversion efficiency of the perovskite solar cell.
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