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- Title
High‐Performance Semitransparent and Bifacial Perovskite Solar Cells with MoO<sub>x</sub>/Ag/WO<sub>x</sub> as the Rear Transparent Electrode.
- Authors
Liang, Fengxia; Ying, Zhiqin; Lin, Yi; Tu, Bao; Zhang, Zheng; Zhu, Yudong; Pan, Hui; Li, Haifeng; Luo, Linbao; Ageev, Oleg; He, Zhubing
- Abstract
Semitransparent solar cells play a crucial role in such typical photovoltaic applications as smart windows, transparent chargeable devices, tandem and bifacial devices, and so on. Relying on the commercial conductive transparent oxides as the front electrodes, the development of rear transparent electrode (RTE) is especially essential. Here, an efficient semitransparent perovskite solar cell (PSC) with the softly deposited transparent MoOx/Ag/WOx (MAW) as the rear electrode is demonstrated. MoOx enables the continuously grown silver ultrathin film while the high‐refractive‐index WOx capping layer can modulate the whole optical interference and enhance the light transmission throughout the device. As a result, depending on the MAW RTE, the semitransparent normal planar PSC owns the optimal conversion efficiency of 15.40% along with 10.17% in the average visible‐light transmission (AVT) simultaneously, which claims the best conversion efficiency of the semitransparent PSCs at such considerable AVT. Combining the optical characterizations, the bifacial performance test of the same device also reveals the uneven absorption due to the different optical interference depending on the light direction, as well as the typical parasitic absorption by the functional layers. This paper paves an alternative and promising way to fabricate high‐performance semitransparent optoelectronic devices in the future.
- Subjects
SOLAR cells; OPTICAL interference; OXIDE electrodes; ELECTROCHROMIC windows; OPTOELECTRONIC devices; SILICON solar cells; BUILDING-integrated photovoltaic systems
- Publication
Advanced Materials Interfaces, 2020, Vol 7, Issue 20, p1
- ISSN
2196-7350
- Publication type
Article
- DOI
10.1002/admi.202000591