A MoSe2 quantum dot modified hole extraction layer enables binary organic solar cells with improved efficiency and stability
In this paper, we demonstrate a solution-processed MoSe2 quantum dots/PEDOT:PSS bilayer hole extraction layer (HEL) for non-fullerene organic solar cells (OSCs). It is found that the introduction of MoSe2 QDs can alter the work function and phase separation of PEDOT:PSS, thus affecting the morpholog...
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| Veröffentlicht in: | Journal of materials chemistry. A, Materials for energy and sustainability Materials for energy and sustainability, 2021-08, Vol.9 (30), p.16500-16509 |
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| container_title | Journal of materials chemistry. A, Materials for energy and sustainability |
| container_volume | 9 |
| creator | Lian, Hong Pan, Mingao Han, Jinba Cheng, Xiaozhe Liang, Jiaen Hua, Wenqiang Qu, Yongquan Wu, Yucheng Dong, Qingchen Wei, Bin He, Yan Wai-Yeung, Wong |
| description | In this paper, we demonstrate a solution-processed MoSe2 quantum dots/PEDOT:PSS bilayer hole extraction layer (HEL) for non-fullerene organic solar cells (OSCs). It is found that the introduction of MoSe2 QDs can alter the work function and phase separation of PEDOT:PSS, thus affecting the morphology of the active layer and improving the performance of OSCs. The MoSe2 QDs/PEDOT:PSS bilayer HEL can improve the fill factor (FF), short-circuit current density (Jsc) and power conversion efficiency (PCE) of OSCs based on different active layers. The best PCE of up to 17.08% was achieved based on a recently reported active layer binary system named SZ2:N3, which is among the highest reported values to date for OSCs using 2D materials as an interface modifier. Our study indicates that this simple and solution-processed MoSe2 QDs/PEDOT:PSS bilayer thin film could be a potential alternative HEL to the commonly used PEDOT:PSS conducting polymers. |
| doi_str_mv | 10.1039/d1ta04030h |
| format | Article |
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It is found that the introduction of MoSe2 QDs can alter the work function and phase separation of PEDOT:PSS, thus affecting the morphology of the active layer and improving the performance of OSCs. The MoSe2 QDs/PEDOT:PSS bilayer HEL can improve the fill factor (FF), short-circuit current density (Jsc) and power conversion efficiency (PCE) of OSCs based on different active layers. The best PCE of up to 17.08% was achieved based on a recently reported active layer binary system named SZ2:N3, which is among the highest reported values to date for OSCs using 2D materials as an interface modifier. Our study indicates that this simple and solution-processed MoSe2 QDs/PEDOT:PSS bilayer thin film could be a potential alternative HEL to the commonly used PEDOT:PSS conducting polymers.</description><identifier>ISSN: 2050-7488</identifier><identifier>EISSN: 2050-7496</identifier><identifier>DOI: 10.1039/d1ta04030h</identifier><language>eng</language><publisher>Cambridge: Royal Society of Chemistry</publisher><subject>Bilayers ; Circuits ; Conducting polymers ; Energy conversion efficiency ; Molybdenum compounds ; Morphology ; Phase separation ; Photovoltaic cells ; Polymers ; Quantum dots ; Short circuit currents ; Short-circuit current ; Solar cells ; Thin films ; Two dimensional materials ; Work functions</subject><ispartof>Journal of materials chemistry. 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| source | Royal Society Of Chemistry Journals 2008- |
| subjects | Bilayers Circuits Conducting polymers Energy conversion efficiency Molybdenum compounds Morphology Phase separation Photovoltaic cells Polymers Quantum dots Short circuit currents Short-circuit current Solar cells Thin films Two dimensional materials Work functions |
| title | A MoSe2 quantum dot modified hole extraction layer enables binary organic solar cells with improved efficiency and stability |
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