Small-bandgap polymer solar cells with unprecedented short-circuit current density and high fill factor.
basic_science · Level V
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- Record sourced from PubMed, PMID 25899940.
- Also identified by DOI 10.1002/adma.201501132.
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Abstract
Small-bandgap polymer solar cells (PSCs) with a thick bulk heterojunction film of 340 nm exhibit high power conversion efficiencies of 9.40% resulting from high short-circuit current density (JSC ) of 20.07 mA cm(-2) and fill factor of 0.70. This remarkable efficiency is attributed to maximized light absorption by the thick active layer and minimized recombination by the optimized lateral and vertical morphology through the processing additive.