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Diketopyrrolopyrrole (DPP) has strong optical absorption and suitable frontier molecular orbital energy level, and is a good electron acceptor unit.

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1-cyclopropyl-3-ethylurea is used for organic synthesis. 

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PTAA (Poly[bis(4-phenyl)(2,5,6-trimentlyphenyl)amine is used in perovskite solar cells, it can enable efficiencies in excess of 20%. More recently, it has also been shown that PTAA play

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2,4-Bis(hexyloxy)phenylboronic acid pinacol ester is used for DSSC and OLEDs and other organic electronics applications. Our lab can make it from g to kg and can meet all kinds of custo