Volume 6, Issue 2 2100748
Research Article

Integrated and Unassisted Solar Water-Splitting System by Monolithic Perovskite/Silicon Tandem Solar Cell

Manjing Wang

Manjing Wang

Institute of Photoelectronic Thin Film Devices and Technology, Key Laboratory of Photoelectronic Thin Film Devices and Technology of Tianjin, Ministry of Education Engineering Research Center of Thin Film Photoelectronic Technology, Renewable Energy Conversion and Storage Center, Nankai University, Solar Energy Conversion Center, Tianjin, 300350 China

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Biao Shi

Biao Shi

Institute of Photoelectronic Thin Film Devices and Technology, Key Laboratory of Photoelectronic Thin Film Devices and Technology of Tianjin, Ministry of Education Engineering Research Center of Thin Film Photoelectronic Technology, Renewable Energy Conversion and Storage Center, Nankai University, Solar Energy Conversion Center, Tianjin, 300350 China

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Qixing Zhang

Qixing Zhang

Institute of Photoelectronic Thin Film Devices and Technology, Key Laboratory of Photoelectronic Thin Film Devices and Technology of Tianjin, Ministry of Education Engineering Research Center of Thin Film Photoelectronic Technology, Renewable Energy Conversion and Storage Center, Nankai University, Solar Energy Conversion Center, Tianjin, 300350 China

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Xingliang Li

Xingliang Li

Institute of Photoelectronic Thin Film Devices and Technology, Key Laboratory of Photoelectronic Thin Film Devices and Technology of Tianjin, Ministry of Education Engineering Research Center of Thin Film Photoelectronic Technology, Renewable Energy Conversion and Storage Center, Nankai University, Solar Energy Conversion Center, Tianjin, 300350 China

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Sanjing Pan

Sanjing Pan

Institute of Photoelectronic Thin Film Devices and Technology, Key Laboratory of Photoelectronic Thin Film Devices and Technology of Tianjin, Ministry of Education Engineering Research Center of Thin Film Photoelectronic Technology, Renewable Energy Conversion and Storage Center, Nankai University, Solar Energy Conversion Center, Tianjin, 300350 China

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Ying Zhao

Ying Zhao

Institute of Photoelectronic Thin Film Devices and Technology, Key Laboratory of Photoelectronic Thin Film Devices and Technology of Tianjin, Ministry of Education Engineering Research Center of Thin Film Photoelectronic Technology, Renewable Energy Conversion and Storage Center, Nankai University, Solar Energy Conversion Center, Tianjin, 300350 China

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Xiaodan Zhang

Corresponding Author

Xiaodan Zhang

Institute of Photoelectronic Thin Film Devices and Technology, Key Laboratory of Photoelectronic Thin Film Devices and Technology of Tianjin, Ministry of Education Engineering Research Center of Thin Film Photoelectronic Technology, Renewable Energy Conversion and Storage Center, Nankai University, Solar Energy Conversion Center, Tianjin, 300350 China

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First published: 02 December 2021
Citations: 7

Abstract

Photoelectrochemical (PEC) water splitting to hydrogen is a clean process that can achieve green hydrogen. However, the integrated PEC devices have some problems, such as serious incident light loss, poor stability, and high cost. Here, the low-cost perovskite/silicon tandem cell instead of the costly III−V tandem cell as the light absorber is used, combined with high-transmittance quartz glass as a protective layer forming an unassisted solar water-splitting device. Quartz glass can minimize incident light loss and prevent electrolyte corrosion of solar cells. A solar-to-hydrogen efficiency of 19.68% is achieved, and the performance can be maintained for 20 h without noticeable change. This structure design provides a novel integrated solar water-splitting system.

Conflict of Interest

The authors declare no conflict of interest.

Data Availability Statement

Research data are not shared.

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