Synthesis of photovoltaic conjugated polymers
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United States of America Patent
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Oct 10, 2017
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Jul 30, 2015
app pub date -
Mar 6, 2015
filing date -
Feb 15, 2012
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Abstract
A method of making a fluorothieno[3,4-b]thiophene derivatives and photovoltaic polymers containing same using 3-bromothiophene-2-carboxylic acid as a starting material. This synthetic route provides an easier synthesis as well as greater yield and a purer product, which produces superior results over the prior art less pure products. The resulting materials can be used in a variety of photovoltaic applications and devices, especially solar cells.
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