期刊
CHEMICAL COMMUNICATIONS
卷 58, 期 38, 页码 5765-5768出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d2cc01234k
关键词
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资金
- National Science Foundation (CAREER award) [DMR-1555028]
- Binghamton University's Smart Energy Transdisciplinary Area of Excellence
By varying the molecular orientation of the polymer in bulk heterojunctions, it has been found that a mixed texture can enhance out-of-plane charge flow in solution processed organic solar cells. This highlights the importance of balancing in-plane and out-of-plane pathways for efficient charge percolation in bulk heterojunctions.
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.
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