Quantitative correlation of the effects of crystallinity and additives on nanomorphology and solar cell performance of isoindigo-based copolymers
Journal
Physical Chemistry Chemical Physics
Journal Volume
19
Journal Issue
34
Pages
23515-23523
Date Issued
2017
Author(s)
Abstract
BM reaches its maximum of 7.04% using aromatic CN additives. This is a new finding of the effect of crystallinity, which is not observed in the common low crystalline donor-acceptor alternating copolymers such as PTB7. Our results provide a useful guideline to manipulate the desired morphology of BHJ films constructed from alternating copolymer with different crystallinity, which is critical for achieving high power conversion efficiency of solar cells.
SDGs
Type
journal article