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Issue 45, 2019
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Highly efficient walking perovskite solar cells based on thermomechanical polymer films

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Abstract

Considering the trends towards miniaturization and automation of electronics, increasing attention should be given to self-actuating microenergy technologies. In particular, it is important for these systems to simultaneously possess simple structure, self-powered energy supply, and high power density. Using a facile and ultrafast fabrication approach, a highly efficient walking perovskite solar cell is constructed as a prototype actuator with a straightforward design but advanced functions. The device demonstrates a high walking speed of 10 mm min−1, excellent mechanical strength (the ability to lift an object 15 times its own weight), and high photoelectric efficiency, achieving a power conversion efficiency of 17.75% as a low-temperature flexible solar cell. The dynamic output of the device during passive heliotropic walking is also evaluated. The maximum output power of the device reaches 215 W m−2. This device shows promise for use as a mobile energy source in various technological applications including microsensors, micropumps, and microrobots.

Graphical abstract: Highly efficient walking perovskite solar cells based on thermomechanical polymer films

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Publication details

The article was received on 24 Aug 2019, accepted on 28 Oct 2019 and first published on 30 Oct 2019


Article type: Paper
DOI: 10.1039/C9TA09336B
J. Mater. Chem. A, 2019,7, 26154-26161

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    Highly efficient walking perovskite solar cells based on thermomechanical polymer films

    J. Qi, L. Li, H. Xiong, A. C. Wang, C. Hou, Q. Zhang, Y. Li and H. Wang, J. Mater. Chem. A, 2019, 7, 26154
    DOI: 10.1039/C9TA09336B

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