Royal Society of Chemistry, Chemical Communications, 76(48), p. 9477
DOI: 10.1039/c2cc34339h
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Conjugated PPV-PPE copolymer has been investigated in organic solar cells in combination with twelve different fullerene derivatives. It was shown that the length of solubilizing alkyl chains in the fullerene derivative structures correlates well with the performance of photovoltaic cells.