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In this paper we have synthesized a novel heterocyclic building block and used it in conjugated polymer photovoltaic cells.

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Why is it important?

This paper demonstrates that replacing sulfur with oxygen can improve solubility, molecular weight, film formation and ultimately OPV perfromance.

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This page is a summary of: Influence of heteroatoms on photovoltaic performance of donor–acceptor copolymers based on 2,6-di(thiophen-2-yl)benzo[1,2-b:4,5-b′]difurans and diketopyrrolopyrrole, Polymer Chemistry, January 2013, Royal Society of Chemistry,
DOI: 10.1039/c3py00138e.
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