Royal Society of Chemistry, Energy & Environmental Science, 8(8), p. 2357-2364
DOI: 10.1039/c5ee01838b
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Diluting concentrated solution (DCS) is a new, simple, general and effective approach to improve power conversion efficiencies (PCEs) of polymer solar cells (PSCs). PCEs of binary blend PSCs, ternary blend PSCs and all-polymer solar cells fabricated using this method are enhanced by a factor as high as 37% relative to those using the general process.