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ABSTRACT
Hybrid piezo/triboelectric technology is an emerging energy source that can continuously power small electronic devices by harvesting ambient mechanical energy and converting it into electricity. In this work, a high-performance hybrid piezo/triboelectric device was presented. The composite film was synthesized that co-doped BaTiO3 powders (BT) and reduced graphene oxide (rGO) embedded within a host material made of polydimethylsiloxane (PDMS). The hybrid device is made by mixing BT powders into the PDMS to form a series of composite films, ranging from 10% to 45% by wt.%. Additionally, 1–5 wt.% of rGO was loaded into fabricates 40BT/PDMS. The results show that the addition of rGO can improve the uniform dispersion of BT powder in the PDMS matrix. The 4 wt.% of rGO for 40BT/PDMS exhibited the optimal energy harvesting performance among all compositions, achieving notable output voltage and current. This work demonstrates a facile, low-cost approach for obtaining high-performance hybrid piezo/triboelectric by utilizing a composite film BaTiO3 and polymer (PDMS) modified with rGO.
GRAPHICAL ABSTRACT
Acknowledgments
The authors wish to thank the Program of Physics, Faculty of Science and Technology, Pibulsongkram Rajabhat University for supporting the facilities. The Thailand Science Research and Innovation (TSRI), Ministry of Higher Education, Science, Research and Innovation (MHESI) Thailand, Thailand Institute of Nuclear Technology (Public Organization) and Srinakharinwirot University under the grant FFB660061/0255.
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No potential conflict of interest was reported by the author(s).
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Notes on contributors
Phakakorn Panpho
Phakakorn Panpho is a lecturer in major of Physics, Faculty of Science and Technology, Pibulsongkram Rajabhat University. The main focus of her research is on developing biomaterials for piezoelectric/triboelectric nanogenerator.
Pornphiphat Phetphong
Pornphiphat Phetphonga is a student in major of Physics, Faculty of Science and Technology, Pibulsongkram Rajabhat University. He is interested in hybrid piezoelectric/triboelectric nanogenerator.
Thitirat Charoonsuk
Thitirat Charoonsuk is a lecturer of materials science and nanotechnology in the Department of Materials Science, Faculty of Science, Srinakharinwirot University, Bangkok, Thailand. Dr. Thitirat’s research group is principally interested in multidisciplinary of nanomaterials, materials science and engineer with a focus on nanomaterials synthesis and their applications, especially for hybrid piezoelectric/triboelectric nanogenerator, transparent flexible sensor.
Narathip Vittayakorn
Naratip Vittayakorn is currently engaged in cutting-edge research in the fields of hybrid piezo/tribo nanogenerator and multilayer cellulose film for flexible sensor applications. His research endeavors are focused on creating innovative solutions to practical problems in materials science, which has potential for widespread application across a broad spectrum of industries.
Chaval Sriwong
Chaval Sriwong is a lecturer and researcher at King Mongkut’s Institute of Technology Ladkrabang, Thailand. His research is principally interested in TiO2, graphene oxide, photodegradation, nanomaterials and photochemical processes.
Rattiphon Sumang
Rattiphorn Sumang a lecturer in major of Physics, Faculty of Science and Technology, Pibulsongkram Rajabhat University. Her research focused on material sciences, ceramics synthesis and their application especially for hybrid piezoelectric/triboelectric nanogenerator.