Journal
JOURNAL OF MATERIALS CHEMISTRY A
Volume 4, Issue 40, Pages 15294-15301Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6ta05745d
Keywords
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Funding
- Office of Naval Research [N00014-14-1-0246]
- National Science Foundation [DMR-1608279]
- Asian Office of Aerospace RD [FA2386-15-1-4106]
- Department of Energy SunShot [DE-EE 0006710]
- Boeing-Johnson Foundation
- China Scholarship Council
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In this work, we have successfully utilized a facile hydrothermal method to prepare crystalline Zn2SnO4 nanoparticles (ZSO NPs) and applied them as an efficient electron-transporting layer (ETL) via a simple room-temperature solution process for perovskite solar cells (PVSCs). The superior semiconducting properties of this ZSO-based ETL enable an efficient (PCE: 17.7%) inverted p-i-n PVSC to be fabricated with respectable ambient stability. It can retain over 90% of its original PCE after being stored under ambient conditions for 14 days under 30 +/- 5% relative humidity. Moreover, it also facilitates the fabrication of efficient conventional n-i-p PVSCs with a PCE of similar to 14.5% and similar to 11.4% achieved on a glass/ITO rigid substrate and PEG/ITO flexible substrate, respectively.
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