期刊
MATERIALS LETTERS
卷 301, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.matlet.2021.130264
关键词
Organic-inorganic halide perovskite; FAPbBr(3); FTIR; Piezoelectric materials; Energy harvesting
资金
- Department of Science Technology [IF160045]
Organic-inorganic halide perovskites are a relatively new class of compounds with potential for energy harvesting. Prepared FAPbBr(3) cubes via solution process showed significant output performance in energy harvesting, demonstrating long cycle stability and durability.
In order to meet the ever-increasing call for alternative energy, a plethora of novel materials have been explored to harvest energies. Amongst them, organic-inorganic halide perovskites belong to a relatively new class of compounds. In this work, we have prepared FAPbBr(3) cubes via solution process and explored its candidature in energy harvesting. Piezoelectric nanogenerator (PNG) based on the composite of FAPbBr(3) and poly (vinylidene fluoride) (PVDF) showed noticeable output performance. To get benchmark level output response, concertation of perovskite was optimized in composites. PNG fabricated with 3.0 wt% FAPbBr(3) in PVDF exhibited an instantaneous output voltage of similar to 200 V and current of similar to 650nA. It also showed long cycle stability (10,000 cycles) and durability under robust conditions. Energy generated from the PNG was further utilized to charge a capacitor and light up commercial LEDs. As obtained results are of great importance and open the feasibility of novel smart device using this kind of perovskites.
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