Production method of hole blocking layer, hole blocking layer, photoelectric conversion element, photoelectric conversion device, organic thin-film solar cell panel, and light-emitting device
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United States of America Patent
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Feb 20, 2018
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app pub date -
Mar 3, 2014
filing date -
Sep 1, 2011
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Abstract
A production method of a hole blocking layer includes: a liquid layer forming step that causes a liquid composition and a surface of a member on which the hole blocking layer is to be formed, to contact with each other thereby forming a liquid layer comprising the liquid composition on the surface of the member on which the hole blocking layer is to be formed, the liquid composition containing a zinc source comprising bis(acetylacetonato)zinc, a complexing agent comprising acetylacetone, and a polar solvent; and a drying step that heats the liquid layer formed by the liquid layer forming step to vaporize the complexing agent and the polar solvent from the liquid layer thereby forming a hole blocking layer comprising zinc oxide on the surface of the member on which the hole blocking layer is to be formed.
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