Issue 38, 2022

Mixed molecular orientations promote charge transport in bulk heterojunction solar cells

Abstract

By systematically varying the molecular orientation of poly(3-hexylthiophene-2,5-diyl) (P3HT) in P3HT:fullerene bulk heterojunctions, we show that a mixed face-on and edge-on texture can be beneficial for out-of-plane charge flow in solution processed organic bulk heterojunction solar cells. These results implicate the need to balance in-plane and out-of-plane pathways for efficient charge percolation in bulk heterojunctions.

Graphical abstract: Mixed molecular orientations promote charge transport in bulk heterojunction solar cells

Supplementary files

Article information

Article type
Communication
Submitted
01 Kul 2022
Accepted
08 Dzi 2022
First published
08 Dzi 2022

Chem. Commun., 2022,58, 5765-5768

Author version available

Mixed molecular orientations promote charge transport in bulk heterojunction solar cells

P. S. Fernando, Detlef-M. Smilgies and J. M. Mativetsky, Chem. Commun., 2022, 58, 5765 DOI: 10.1039/D2CC01234K

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