Organometallic-functionalized interfaces for highly efficient inverted perovskite solar cells

Further enhancing the performance and stability of inverted perovskite solar cells (PSCs) is crucial for their commercialization. We report that the functionalization of multication and halide perovskite interfaces with an organometallic compound, ferrocenyl-bis-thiophene-2-carboxylate (FcTc ), simu...

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Bibliographic Details
Published in:Science (American Association for the Advancement of Science) 2022-04, Vol.376 (6591), p.416-420
Main Authors: Li, Zhen, Li, Bo, Wu, Xin, Sheppard, Stephanie A, Zhang, Shoufeng, Gao, Danpeng, Long, Nicholas J, Zhu, Zonglong
Format: Article
Language:English
Subjects:
Energy conversion efficiency
Interfaces
Maximum power
Organometallic compounds
Perovskites
Photovoltaic cells
Solar cells
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Summary:Further enhancing the performance and stability of inverted perovskite solar cells (PSCs) is crucial for their commercialization. We report that the functionalization of multication and halide perovskite interfaces with an organometallic compound, ferrocenyl-bis-thiophene-2-carboxylate (FcTc ), simultaneously enhanced the efficiency and stability of inverted PSCs. The resultant devices achieved a power conversion efficiency of 25.0% and maintained >98% of their initial efficiency after continuously operating at the maximum power point for 1500 hours under simulated AM1.5 illumination. Moreover, the FcTc -functionalized devices passed the international standards for mature photovoltaics (IEC61215:2016) and have exhibited high stability under the damp heat test (85°C and 85% relative humidity).
ISSN:0036-8075
1095-9203
DOI:10.1126/science.abm8566