An article Achieving over 16% efficiency for single-junction organic solar cells WOS:000470762900014 published article about POWER CONVERSION EFFICIENCY; FULLERENE-POLYMER; ACCEPTOR; RECOMBINATION; SOLVENT; DESIGN in [Fan, Baobing; Zhang, Difei; Li, Meijing; Zhong, Wenkai; Zeng, Zhaomiyi; Ying, Lei; Huang, Fei; Cao, Yong] South China Univ Technol, Inst Polymer Optoelect Mat & Devices, State Key Lab Luminescent Mat & Devices, Guangzhou 510640, Guangdong, Peoples R China in 2019, Cited 44. Product Details of 103-50-4. The Name is Benzyl ether. Through research, I have a further understanding and discovery of 103-50-4
To achieve high photovoltaic performance of bulk hetero-junction organic solar cells (OSCs), a range of critical factors including absorption profiles, energy level alignment, charge carrier mobility and miscibility of donor and acceptor materials should be carefully considered. For electron-donating materials, the deep highest occupied molecular orbital (HOMO) energy level that is beneficial for high open-circuit voltage is much appreciated. However, a new issue in charge transfer emerges when matching such a donor with an acceptor that has a shallower HOMO energy level. More to this point, the chemical strategies used to enhance the absorption coefficient of acceptors may lead to increased molecular crystallinity, and thus result in less controllable phase-separation of photoactive layer. Therefore, to realize balanced photovoltaic parameters, the donor-acceptor combinations should simultaneously address the absorption spectra, energy levels, and film morphologies. Here, we selected two non-fullerene acceptors, namely BTPT-4F and BTPTT-4F, to match with a wide-bandgap polymer donor P2F-EHp consisting of an imide-functionalized benzotriazole moiety, as these materials presented complementary absorption and well-matched energy levels. By delicately optimizing the blend film morphology, we demonstrated an unprecedented power conversion efficiency of over 16% for the device based on P2F-EHp:BTPTT-4F, suggesting the great promise of materials matching toward high-performance OSCs.
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Reference:
Ether – Wikipedia,
,Ether | (C2H5)2O – PubChem