Journal
JOURNAL OF MATERIALS SCIENCE
Volume 54, Issue 13, Pages 9385-9396Publisher
SPRINGER
DOI: 10.1007/s10853-018-03289-4
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Funding
- National Natural Science Foundation of China [51602297, U1510109]
- Major Research Project of Shandong Province [2016ZDJS11A04]
- Start-up Foundation for Advanced Talents of Qingdao University of Science and Technology [010022919]
- Photocatalysis of Coal-fired Boiler Flue Gas and H2O2 Oxidative Desulfurization and Denitrification Pilot Plant [17-3-3-71-nsh, 20173702021476]
- High-concentration Organic Wastewater Adsorbent Production Process [20170903]
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A novel 2D visible-light-driven TiO2@Ti3C2/g-C3N4 ternary heterojunction photocatalyst with modified interfacial microstructure and electronic properties was synthesized by ultrasonic-assisted calcination method. The remarkably active g-C3N4 could provide high productivity of photogenerated electrons and holes. Meanwhile, the O/OH-terminated Ti3C2 and by-product TiO2 could act as excellent supporters by migrating electrons in TiO2@Ti3C2/g-C3N4 hybrids. As a result, the highest photocatalytic activities in the degradation of aniline and RhB were increased to 5 and 1.33 times higher than that of pristine g-C3N4 under visible-light irradiation, respectively. Furthermore, we proposed that n-n heterojunction and n-type Schottky heterojunction were built up across their interfaces, which efficiently improve the transition of electrons and further promote the photocatalytic activity of TiO2@Ti3C2/g-C3N4 hybrids. More appealingly, all the results highlight that the environment-friendly TiO2@Ti3C2/g-C3N4 heterojunction hybrids would be desirable candidates for pollutants degradation.
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