Journal
NANOTECHNOLOGY
Volume 24, Issue 29, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0957-4484/24/29/295401
Keywords
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Funding
- NSF
- MANA, World Premier International Research Center Initiative (WPI Initiative), MEXT, Japan
- National Science Foundation of China [61101029]
- China Scholarship Council (CSC)
- US Airforce, MURI, US Department of Energy, Office of Basic Energy Sciences [DE-FG02-07ER46394]
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Methyl orange (MO) can be degraded by a photocatalytic process using TiO2 under UV irradiation. The photo-generated holes and electrons can migrate to the surface of TiO2 particles and serve as redox sources that react with adsorbed reactants, leading to the formation of superoxide radical anions, hydrogen peroxide and hydroxyl radicals involved in the oxidation of dye pollution. Here, we fabricated a polytetrafluoroethylene-Al based triboelectric nanogenerator (TENG) whose electric power output can be used for enhancing the photodegradation of MO with the presence of TiO2 nanoparticles, because the TENG generated electric field can effectively boost the separation and restrain the recombination of photo-generated electrons and holes. Due to the photoelectrical coupling, the degradation percentages of MO for 120 min with and without TENG assistance are 76% and 27%, respectively. The fabricated TENGs have potential applications in wastewater treatment, water splitting, and pollution degradation.
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