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Triple perovskite-based triboelectric nanogenerator: a facile method of energy harvesting and self-powered information generator
- Title
- Triple perovskite-based triboelectric nanogenerator: a facile method of energy harvesting and self-powered information generator
- Authors
- Sahu, Manisha; Hajra, Sugato; Bijelic, Jelena; Oh, Daegun; Djerdj, Igor; Kim, Hoe Joon
- DGIST Authors
- Sahu, Manisha; Hajra, Sugato; Bijelic, Jelena; Oh, Daegun; Djerdj, Igor; Kim, Hoe Joon
- Issue Date
- 2021-06
- Citation
- Materials Today Energy, 20, 100639
- Type
- Article
- Author Keywords
- Soft electronics; Sol-gel; Biomechanical; Dielectric; Renewable energy
- Keywords
- Contact separation; Electrical response; Energy Harvester; Energy scavenging; Real-time application; Dielectric properties; Electric generators; Energy harvesting; Microchannels; Nanocomposite films; Nanotechnology; Particle size analysis; Perovskite; Sol-Gel Reaction; Triboelectrification; Triple perovskite; Nanogenerators; Signaling; Silicones; Sol-gels; Strontium compounds; Triboelectricity
- ISSN
- 2468-6069
- Abstract
- A modified aqueous sol-gel reaction is used to synthesize a triple perovskite with a composition Sr3Co2WO9 (SCWO). The structural analysis conducted at room temperature reveals the presence of the cubic phase with space group Fm-3m. The microstructure of the as-synthesized SCWO particles shows a different size of particles depicting a polycrystalline nature. Triboelectrification is a trending and unique concept in energy scavenging methodologies with flexibility in choosing from a variety of materials. This paves the way to evolve eco-friendly triboelectric energy harvesters as a replacement for the limitation of batteries. The outstanding dielectric properties and low loss make triple perovskite a promising candidate for TENG. A triboelectric nanogenerator (TP-TENG) was designed, which operates in vertical contact separation mode generating an electrical response of voltage and current of 300 V and 2.2 μA, respectively, for 10 wt% polydimethylsiloxane-Sr3Co2WO9 (PDMS-SCWO) composite film. The power density of the rough surface TP-TENG was 30.5 μW/cm2, which is much higher than the power density of 5.5 μW/cm2 of plain surface TP-TENG. The positive and negative triboelectric layers of the TP-TENG were made up of aluminum and PDMS-SCWO composite film, respectively. Furthermore, the excellent flexibility and durability of TP-TENG make it suitable for sensing various gaits and information signaling (Morse code) in real-time applications, as well as for charging commercial capacitors. © 2021 Elsevier Ltd
- URI
- http://hdl.handle.net/20.500.11750/13494
- DOI
- 10.1016/j.mtener.2021.100639
- Publisher
- Elsevier
- Related Researcher
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- Files:
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- Collection:
- ETC1. Journal Articles
Department of Robotics and Mechatronics EngineeringNano Materials and Devices Lab1. Journal Articles
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