Molecular design and morphology control towards efficient polymer solar cells processed using non-aromatic and non-chlorinated solvents.
basic_science · Level V
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- Record sourced from PubMed, PMID 24496762.
- Also identified by DOI 10.1002/adma.201304825.
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Abstract
Using an environmentally friendly solvent, N-methyl-2-pyrrolidone, a polymer with benzodithiophene (BDT) and thieno[3,4-b]thiophene (TT) monomers and triethylene glycol monoether (TEG) side chains, PBDTTT-TEG, can be processed into an active layer for a polymer solar cell (PSC). Combined with phenyl-C 71-butyric acid methyl ester (PC 71 BM) as the acceptor, the resulting PSC has a power conversion efficiency (PCE) of 5.23%. This is the first example of an efficient polymer solar cell fabricated from a non-aromatic and nonchlorinated solvent.