Journal
RSC ADVANCES
Volume 11, Issue 32, Pages 19705-19711Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d1ra01563j
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Funding
- National Science Foundation (NSF) [1700339]
- Division Of Human Resource Development
- Direct For Education and Human Resources [1700339] Funding Source: National Science Foundation
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The study found that solar cells with ZnO nanowires embedded TiO2 outperformed those with pure TiO2 or pure ZnO, with a power conversion efficiency as high as 10.53%. The enhanced performance is attributed to the synergistic effect of both TiO2/ZnO constituent properties, which optimize electron transport, light harvesting, and overall photovoltaic performance.
A comparative study was conducted to look into the impact of various electron transporting films on the performance of perovskite CsPbI2Br solar cells. The solar cells with ZnO nanowires embedded TiO2 as an electrode outperformed those with pure TiO2 or pure ZnO. The enhanced performance is ascribed to the synergetic effect of both TiO2/ZnO constituent properties. In particular, an appropriate amount of ZnO nanowires embedded in TiO2 films could optimize the properties of the electron transporting layer by improving electron transport, light harvesting, and overall photovoltaic performance, leading to the power conversion efficiency as high as 10.53%.
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