Formula: C12H10O. Recently I am researching about RAY PHOTOELECTRON-SPECTROSCOPY; NONPLANAR PERYLENE DIIMIDES; ELECTRON-ACCEPTORS; BANDGAP POLYMER; TRANSFER STATE; RING-FUSION; MORPHOLOGY; EFFICIENCY; TRANSPORT; DESIGN, Saw an article supported by the National Natural Science Foundation of China (NSFC)National Natural Science Foundation of China (NSFC) [21734009, 21672221]; Ministry of Science and Technology of ChinaMinistry of Science and Technology, China [2014CB643502]; Chinese Academy of SciencesChinese Academy of Sciences [XDB12010100]; National Postdoctoral Program for Innovative Talents [BX20180315]. Published in AMER CHEMICAL SOC in WASHINGTON ,Authors: Liang, NN; Zhu, XX; Zheng, Z; Meng, D; Liu, GG; Zhang, JQ; Li, SS; Li, Y; Hou, JH; Hu, B; Wang, ZH. The CAS is 101-84-8. Through research, I have a further understanding and discovery of Diphenyl oxide
A series of high-performance organic semiconductors, which are modulated by introducing heteroatoms to rationally control molecular packing and charge carrier transport, have been successfully reported. However, a fundamental physical understanding of the impact of chalcogen atoms on intermolecular interactions between donors and acceptors as well as photophysical process in photovoltaic cells is still lagging. Herein, a detailed investigation on rylene imide-based solar cells is carried out to reveal the role of chalcogen atoms in controlling intermolecular interactions, molecular orientation in bulk and at the donor acceptor interface, and polaron-pair dissociation. Compared to their Se-atom-free assisted counterparts, poly{[4,8-bis[5-(2-ethylhexyl)-4-fluoro-2-thienyl]benzo[1,2-b:4,5-b’]dithiophene2,6-diyl]-alt-[2,5-thiophenediyl[5,7-bis(2-ethylhexyl)-4,8-dioxo-4H,8H-benzo[1,2-c:4,5-c’]dithiophene-1,3-diyl]]} (PBDB-TF): selenium-annulated triperylene hexaimide (TPH-Se) bulk heterojunctions preserve face-on orientation and possess smaller domain size, which are partially attributed to the Se center dot center dot center dot O van der Waals contacts between the acceptor and polymer chain. This feature enables PBDB-TF:TPH-Se interfaces with enhanced pi-orbital overlap, improved charge transfer, a narrowed charge transfer band, and suppressed polaron-pair binding energy. Consequently, all of the Se-containing solar cells investigated in this manuscript exhibit higher short-circuit current densities and conversion efficiencies than those in Se-atom-free devices. Our results reveal an important molecular design strategy for high-performance rylene imide-based acceptors: efficiently improving the electronic interactions at the D-A interface to increase polaron-pair dissociation and suppress geminate recombination.
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Reference:
Ether – Wikipedia,
,Ether | (C2H5)2O – PubChem