Adjusting acceptor redistribution for highly efficient solvent additive-free polymer solar cells
2016 ◽
Vol 4
(15)
◽
pp. 3202-3208
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Keyword(s):
More PC71BM could be elevated toward the top surface of active layers by a mixed solvent spin-coating treatment, leading to an increase in PCE from 6.69% to 7.76% for the solvent additive-free PSCs.