Journal
MATERIALS CHEMISTRY FRONTIERS
Volume 5, Issue 4, Pages 2001-2006Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d0qm00984a
Keywords
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Funding
- National Natural Science Foundation of China [21704021, 21805288]
- European Commission [843872]
- National Major Scientific Instruments and Equipments Development Project [ZDYZ2015-2]
- Chinese Academy of Sciences [QYZDJ-SSW-SLH025]
- Marie Curie Actions (MSCA) [843872] Funding Source: Marie Curie Actions (MSCA)
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The development of two FREAs, IUIC-O and IUIC-T, based on an undecacyclic core has led to improvements in exciton dissociation and charge transport efficiency in organic solar cells. This is due to the higher extinction coefficient and more orderly molecular stacking of IUIC-T compared to IUIC-O, resulting in a higher power conversion efficiency of 13.05% in the PBDB-T:IUIC-T based OSC.
Two FREAs, IUIC-O and IUIC-T, based on an undecacyclic core were developed. IUIC-T having a higher extinction coefficient affords aligned energy levels with PBDB-T, finer nanoscale morphology and more orderly molecular stacking, thus achieving more efficient exciton dissociation and charge transport. Therefore, the PBDB-T:IUIC-T based OSC gains a higher PCE of 13.05%.
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