This title appears in the Scientific Report :
2024
Please use the identifier:
http://dx.doi.org/10.1021/acsenergylett.4c00045 in citations.
Please use the identifier: http://dx.doi.org/10.34734/FZJ-2024-02500 in citations.
Tailoring the Dimensionality of 2D/3D Heterojunctions for Inverted Perovskite Solar Cells
Tailoring the Dimensionality of 2D/3D Heterojunctions for Inverted Perovskite Solar Cells
Interface engineering is crucial to achieving stable perovskite photovoltaic devices. A versatile approach is developed to tailor interface properties via integrating co-assembled monolayers (co-SAMs) at the p-type buried interface and by capping a two-dimensional (2D) perovskite layer at the n-type...
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Personal Name(s): | Li, Chaohui (Corresponding author) |
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Zhang, Kaicheng / Maiti, Santanu / Peng, Zijian / Tian, Jingjing / Park, Hyoungwon / Byun, Jiwon / Xie, Zhiqiang / Dong, Lirong / Qiu, Shudi / Bornschlegl, Andreas J. / Liu, Chao / Zhang, Jiyun / Osvet, Andres / Heumueller, Thomas / Christiansen, Silke H. / Halik, Marcus / Unruh, Tobias / Li, Ning / Lüer, Larry (Corresponding author) / Brabec, Christoph (Corresponding author) | |
Contributing Institute: |
Helmholtz-Institut Erlangen-Nürnberg Erneuerbare Energien; IEK-11 |
Published in: | ACS energy letters, 9 (2024) 3, S. 779 - 788 |
Imprint: |
Washington, DC
American Chemical Society
2024
|
DOI: |
10.1021/acsenergylett.4c00045 |
DOI: |
10.34734/FZJ-2024-02500 |
Document Type: |
Journal Article |
Research Program: |
Cell Design and Development |
Link: |
Published on 2024-02-01. Available in OpenAccess from 2025-02-01. |
Publikationsportal JuSER |
Please use the identifier: http://dx.doi.org/10.34734/FZJ-2024-02500 in citations.
Interface engineering is crucial to achieving stable perovskite photovoltaic devices. A versatile approach is developed to tailor interface properties via integrating co-assembled monolayers (co-SAMs) at the p-type buried interface and by capping a two-dimensional (2D) perovskite layer at the n-type upper interface with vacuum quenching. Optimized co-SAMs promote the coverage of the hole transport layer, significantly reducing the incidence of leakage currents. Based on this foundation, we develop damp-heat-stable perovskite solar cells by precisely tailoring the fragments of 2D perovskite layers through vacuum annealing with phenethylammonium iodide. An impressive open-circuit voltage of 1.216 V is achieved, corresponding to 92% of the value determined by the detailed-balance limit, along with a power conversion efficiency of 23.68%. Ultimately, integrating co-SAMs and the vacuum-assisted annealing fabricated devices maintain 96% and 80% of initial efficiencies after 1200 and 500 h of tracking at a maximum power point under 55 and 85 °C, respectively. |