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Suppressing Exciton–Vibration Coupling via Intramolecular Noncovalent Interactions for Low-Energy-Loss Organic Solar Cells
Angewandte Chemie International Edition ( IF 16.1 ) Pub Date : 2024-12-03 , DOI: 10.1002/anie.202418926
Xiaobin Gu, Yanan Wei, Rui Zeng, Jikai Lv, Yuqi Hou, Na Yu, Senke Tan, Zaiyu Wang, Congqi Li, Zheng Tang, Qian Peng, Feng Liu, Yunhao Cai, Xin Zhang, Hui Huang

Minimizing energy loss is crucial for overcoming the efficiency bottleneck of organic solar cells (OSCs). Here, tuning intramolecular noncovalent interactions is utilized to enhance molecular rigidity, suppress structural relaxation, and weakens exciton–vibration coupling strength. Therefore, the OSC devices based on Y-SeSe, featuring dual strong intramolecular Se ⋅ ⋅ ⋅ O noncovalent interactions, achieve outstanding photovoltaic performance and extremely small ΔEnr.

中文翻译:


通过分子内非共价相互作用抑制低能量损失有机太阳能电池的激子-振动耦合



最大限度地减少能量损失对于克服有机太阳能电池 (OSC) 的效率瓶颈至关重要。在这里,调整分子内非共价相互作用用于增强分子刚性、抑制结构松弛并削弱激子-振动耦合强度。因此,基于 Y-SeSe 的 OSC 器件具有双重强分子内 Se ⋅ ⋅ ⋅ O 非共价相互作用,实现了出色的光伏性能和极小的 ΔEnr
更新日期:2024-12-03
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