High-Efficiency Thermal-Annealing-Free Organic Solar Cells Based on an Asymmetric Acceptor with Improved Thermal and Air Stability
| العنوان: | High-Efficiency Thermal-Annealing-Free Organic Solar Cells Based on an Asymmetric Acceptor with Improved Thermal and Air Stability |
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| المؤلفون: | Ziyi Ge, Lin Xie, Jinfeng Ge, Xiaoli Zhang, Wenxia Zhang, Yufang Han, Daobin Yang, Wei Song, Jinsheng Zhang, Zihao Xia |
| المصدر: | ACS Applied Materials & Interfaces. 12:57271-57280 |
| بيانات النشر: | American Chemical Society (ACS), 2020. |
| سنة النشر: | 2020 |
| مصطلحات موضوعية: | Work (thermodynamics), Materials science, Organic solar cell, Quantum chemical computations, 02 engineering and technology, 010402 general chemistry, 021001 nanoscience & nanotechnology, 01 natural sciences, Stability (probability), Acceptor, 0104 chemical sciences, Chemical engineering, Thermal, Molecule, General Materials Science, Thermal stability, 0210 nano-technology |
| الوصف: | The stability of organic solar cells (OSCs) is an urgent problem for commercialization. In this work, a novel asymmetric molecule TB-4Cl was designed and synthesized. Quantum chemical computations revealed that TB-4Cl has a larger dipole moment of 1.98 Debye than that of Y6, which can induce a stronger intermolecular interaction. Without thermal annealing, devices based on PM6:TB-4Cl achieved a higher efficiency of 14.67%. Impressively, all of the devices showed a negligible difference in power conversion efficiency (PCE) before and after thermal-annealing treatment. Compared to the unencapsulated PM6:Y6-based devices, PM6:TB-4Cl-based devices exhibited improved thermal and air stability, evidenced by retaining around 75% (TB-4Cl) and 60% (Y6) after being heated at 100 °C in nitrogen for 110 h and 65% (TB-4Cl) and 50% (Y6) in air for 92 h. This work indicates that an A-D |
| تدمد: | 1944-8252 1944-8244 |
| URL الوصول: | https://explore.openaire.eu/search/publication?articleId=doi_dedup___::31a6b823eac32c0a7e041f840d9257a6 https://doi.org/10.1021/acsami.0c17423 |
| حقوق: | CLOSED |
| رقم الأكسشن: | edsair.doi.dedup.....31a6b823eac32c0a7e041f840d9257a6 |
| قاعدة البيانات: | OpenAIRE |
Find this issue from the American Chemical Society | تدمد: | 19448252 19448244 |
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