https://scholars.lib.ntu.edu.tw/handle/123456789/577179
標題: | Greater miscibility and energy level alignment of conjugated polymers enhance the optoelectronic properties of ternary blend films in organic photovoltaics | 作者: | Jiang B.H Peng Y.-J Huang Y.-C Jeng R.-J Shieh T.-S Huang C.-I Chih-Ping Chen |
關鍵字: | Nonfullerene acceptor; Organic photovoltaic; Ternary blend | 公開日期: | 2021 | 卷: | 193 | 來源出版物: | Dyes and Pigments | 摘要: | In this study, we examined the effects of using the p-type conjugated polymers J51 and FATZ as the third component in PM6:Y6–based donor:donor:acceptor (D:D:A) ternary organic photovoltaics (OPVs). We used UV–Vis spectroscopy, photoluminescence spectroscopy, atomic force microscopy, and grazing-incidence wide-angle X-ray scattering to investigate the optoelectronic and morphological properties of the resulting ternary blend films. We evaluated the carrier transport properties of these OPVs to identify the mechanism governing their power conversion efficiencies (PCEs). Of our two tested polymers, FTAZ had more suitable energy levels and miscibility; therefore, its presence increased the open-circuit voltage of the resulting ternary device. The embedded FTAZ facilitated the molecular packing of Y6 and improved the charge transport in the ternary blend, thereby improving the PCE of the device from 14.3% (binary) to 15.3% (ternary). ? 2021 Elsevier Ltd |
URI: | https://www.scopus.com/inward/record.uri?eid=2-s2.0-85108013183&doi=10.1016%2fj.dyepig.2021.109543&partnerID=40&md5=380fba6604e70eb370e875b072490f76 https://scholars.lib.ntu.edu.tw/handle/123456789/577179 |
ISSN: | 1437208 | DOI: | 10.1016/j.dyepig.2021.109543 | SDG/關鍵字: | Atomic force microscopy; Open circuit voltage; Photoluminescence spectroscopy; Photovoltaic effects; Solubility; X ray scattering; Blend films; Donor/acceptor; Energy level alignment; Nonfullerene acceptor; Optoelectronics property; Organic photovoltaics; P-type; Power conversion efficiencies; Ternary blends; Third component; Conjugated polymers; Conversion; Energy; Packing; Polymers; Solubility; Spectroscopy; Transport |
顯示於: | 高分子科學與工程學研究所 |
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