A combined chrome oxide and titanium oxide based electron-transport layer for high-performance perovskite solar cells
- Authors
- Liu, G.; Liu, Z.; Wang, L.; Zhang, K.; Xie, X.
- Issue Date
- 16-May-2021
- Publisher
- ELSEVIER
- Keywords
- Chrome oxide; Electron transport layer; Nanoparticles; Perovskite solar cells; Titanium oxide
- Citation
- Chemical Physics Letters, v.771
- Journal Title
- Chemical Physics Letters
- Volume
- 771
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/80990
- DOI
- 10.1016/j.cplett.2021.138496
- ISSN
- 0009-2614
- Abstract
- In this work, we introduced an electron-transport layer (ETL), which combined chrome oxide (Cr2O3) nanoparticles and compact titanium oxide (c-TiO2), to fabricate high-performance perovskite solar cells (PSCs). We find that, the 500 °C annealed Cr2O3 shows a uniform morphology, which leads to an average PCE of 15.3% and champion PCE of 15.7% (16.0% for mesoporous TiO2 based case). However, the stability of the PSCs are improved with a suppressed PCE degradation of 19% (26% for mesoporous TiO2 based case after 7 days storage in ambient condition). This method provides some inspiration for the preparation of regular PSCs with higher stability. © 2021 Elsevier B.V.
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