Systematically Controlling Acceptor Fluorination Optimizes Hierarchical Morphology, Vertical Phase Separation, and Efficiency in Non‐Fullerene Organic Solar Cells

Non‐fullerene acceptor (NFA) end group (EG) functionalization, especially by fluorination, affects not only the energetics but also the morphology of bulk‐heterojunction (BHJ) organic solar cell (OSC) active layers, thereby influencing the power conversion efficiency (PCE) and other metrics of NFA‐b...

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Veröffentlicht in:	Advanced energy materials 2022-01, Vol.12 (1), p.n/a
Hauptverfasser:	Zhang, Xiaohua, Li, Guoping, Mukherjee, Subhrangsu, Huang, Wei, Zheng, Ding, Feng, Liang‐Wen, Chen, Yao, Wu, Jianglin, Sangwan, Vinod K., Hersam, Mark C., DeLongchamp, Dean M., Yu, Junsheng, Facchetti, Antonio, Marks, Tobin J.
Format:	Artikel
Sprache:	eng
Schlagworte:	bulk heterojunctions Carrier transport Circuits Current carriers Electronic structure Energy conversion efficiency Fluorination Fluorine Fullerenes Heterojunctions Hole mobility Morphology morphology control non‐fullerene solar cells Optical properties Optimization Phase separation Photovoltaic cells Polymer blends Solar cells Vertical separation
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