Highly efficient walking perovskite solar cells based on thermomechanical polymer films

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 densi...

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Veröffentlicht in:Journal of materials chemistry. A, Materials for energy and sustainability Materials for energy and sustainability, 2019, Vol.7 (45), p.26154-26161
Hauptverfasser: Qi, Jiabin, Li, Linpeng, Xiong, Hao, Wang, Aurelia Chi, Hou, Chengyi, Zhang, Qinghong, Li, Yaogang, Wang, Hongzhi
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container_end_page 26161
container_issue 45
container_start_page 26154
container_title Journal of materials chemistry. A, Materials for energy and sustainability
container_volume 7
creator Qi, Jiabin
Li, Linpeng
Xiong, Hao
Wang, Aurelia Chi
Hou, Chengyi
Zhang, Qinghong
Li, Yaogang
Wang, Hongzhi
description 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. Inspired by heliotropism in nature, a passive walking perovskite solar cell is constructed as a prototype actuator with an advanced structure.
doi_str_mv 10.1039/c9ta09336b
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source Royal Society Of Chemistry Journals 2008-
subjects Actuators
Automation
Energy conversion efficiency
Fabrication
Low temperature
Mechanical properties
Micropumps
Microrobots
Miniaturization
Perovskites
Photoelectricity
Photovoltaic cells
Polymer films
Solar cells
title Highly efficient walking perovskite solar cells based on thermomechanical polymer films
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