Fig. 3 (IMAGE)

The University of Osaka

Fig. 3

Caption

 (a) Chemical structures of the chiral bifacial NFAs, (S,S)-IE4F and (R,R)-IE4F, and the reference compounds rac-IE4F (1:1 mixture of (S,S)- and (R,R)-IE4F) and achiral meso-IE4F. (b) Power conversion efficiencies (PCEs) of organic solar cells (OSCs) employing PBDB-T:IE4F bulk heterojunction (BHJ) active layers. (c) Device architecture of the OSCs. (d) Light-intensity (Plight) dependence of short-circuit photocurrent density (Jsc) for OSCs. The inset table shows the fitted S values obtained from the relation that Jsc is proportional to the S-th power of Plight. (e) Proposed mechanism of suppressed charge recombination in chiral NFAs exhibiting the CISS effect.

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Fumitaka Ishiwari - All Rights Reserved

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