Wide bandgap D-A copolymers with same medium dithienophthalimide[2,3-e;3', 2'-g]isoindo-7,9 (8H) acceptor and different donors for high performance fullerene free polymer solar cells with efficiency up to 14.76 %
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Wide bandgap D-A copolymers with same medium dithienophthalimide[2,3-e;3', 2'-g]isoindo-7,9 (8H) acceptor and different donors for high performance fullerene free polymer solar cells with efficiency up to 14.76 %
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