Enhanced Efficiency of Flexible GaN/Perovskite Solar Cells Based on the Piezo-Phototronic Effect | Zendy

Yuru Wang | Zendy; Dongqi Zheng | Zendy; Lijie Li | Zendy; Yan Zhang | Zendy

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Enhanced Efficiency of Flexible GaN/Perovskite Solar Cells Based on the Piezo-Phototronic Effect

Author(s) -

Yuru Wang,

Dongqi Zheng,

Lijie Li,

Yan Zhang

Publication year - 2018

Publication title -

acs applied energy materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.833

H-Index - 36

ISSN - 2574-0962

DOI - 10.1021/acsaem.8b00713

Subject(s) - materials science , energy conversion efficiency , optoelectronics , perovskite (structure) , gallium nitride , piezoelectricity , layer (electronics) , voltage , open circuit voltage , solar cell , substrate (aquarium) , semiconductor , perovskite solar cell , nanotechnology , electrical engineering , composite material , chemistry , oceanography , engineering , geology , crystallography

Solar cells fabricated by piezoelectric semiconductor materials, such as GaN, ALN, and CdS, enable better performance due to piezo-phototronic modulation. Recent experiments have revealed the possibility to further improve the conversion efficiency of perovskite solar cells with a gallium nitride (GaN) substrate as the electron transport layer. In this study, a perovskite piezo-phototronic solar cell with a GaN layer has been investigated theoretically. The open-circuit voltage, current-voltage curves, fill factor, efficiency of power conversion, and power of maximum output under applied strains are obtained. While the applied strain is 1%, the open circuit voltage has been improved by 3.8%. This design can offer a practical approach to produce high-efficiency perovskite solar cells.

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