Two boron dipyrromethene (BODIPY) triads, namely and , were synthesized and incorporated with poly-3-hexyl thiophene: (6,6)-phenyl-C61-butyric acid methyl ester (PCBM) P3HT:PCBM. The photovoltaic performance of BODIPY:P3HT:PCBM ternary solar cells was increased, as compared to the control binary solar cells (P3HT:PCBM). The optimized power conversion efficiency (PCE) of :P3HT:PCBM was improved from 2.22% to 3.43%. The enhancement of PCE was attributed to cascade charge transfer, an improved external quantum efficiency (EQE) with increased short circuit current (J), and more homogeneous morphology in the ternary blend.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7344652 | PMC |
| http://dx.doi.org/10.3390/ma13122723 | DOI Listing |
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