On July 7, 2022, Misael, Wilken A.; Pean, Emmanuel V.; Borges, Bruno Gabriel A. L.; Mello, Gabriela da Cruz; Wouk, Luana; Davies, Matthew L.; Roman, Lucimara S.; Rocco, Maria Luiza M. published an article.Category: ethers-buliding-blocks The title of the article was Molecular Orientation and Femtosecond Electron Transfer Dynamics in Halogenated and Nonhalogenated, Eco-Friendly Processed PTB7-Th, ITIC, PTB7-Th:ITIC, and PTB7-Th:PCBM Films. And the article contained the following:
Synergistic effects of the electronic structure and morphol. in the PTB7-Th polymer and the nonfullerene acceptor ITIC mol. resulted in state-of-art systems for organic solar cells, achieving over 12% power conversion efficiency (PCE) values. Furthermore, the substitution of harmful halogenated solvents to environmentally friendly solvents that do not compromise PCE values has become a subject of great interest in recent literature. In this work, we employed sulfur K-edge Angle-Resolved Near-Edge X-ray Absorption Fine Structure, Resonant Auger Spectroscopy, and the core-hole clock spectroscopy in an attempt to gain information on the effect of different processing methods on the electronic and morphol. properties of these systems. Comparison with the PTB7-Th:PCBM blend, which uses a conventional acceptor mol., was also performed. Steady-state and time-resolved photoluminescence results were obtained for neat PTB7-Th and blends with ITIC and PCBM. Theor. calculations were performed utilizing restricted-excitation-window time-dependent d. functional theory. Our results shows that ortho-methylanisole is a potential replacement to the conventional halogenated solvent ortho-dichlorobenzene, as they show that in terms of morphol. and charge transfer dynamics, no expressive changes occurred by varying the solvent and by thermal annealing. The experimental process involved the reaction of 2-Methylanisole(cas: 578-58-5).Category: ethers-buliding-blocks
The Article related to organic solar cell solvent charge transfer, Radiation Chemistry, Photochemistry, and Photographic and Other Reprographic Processes: Radiation Chemistry and Photochemistry and other aspects.Category: ethers-buliding-blocks
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