Journal
JOURNAL OF COLLOID AND INTERFACE SCIENCE
Volume 508, Issue -, Pages 419-425Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jcis.2017.08.065
Keywords
In-situ formation; TiO2@g-C3N4; Core-shell structure; Z-scheme; Photocatalysis
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Funding
- National Natural Science Foundation of China [51402090, 11522543, 11404095]
- Foundations from Chinese Ministry of Education [NCET-13-0438]
- Innovation Fund of Henan University of science and technology [CXJJ-2016-ZR09]
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Novel rutile TiO2@g-C3N4 core-shell photocatalysts were synthesized by a facile saturated aqueous solution method. The composites were further characterized by using X-ray diffraction (XRD), high-resolution transmission microscopy (HRTEM), UV-visible light diffusion reflectance spectrometry (DRS), X-ray photoelectron spectroscopy (XPS) and so on. The results indicated that an ultrathin layer of g-C3N4 was in situ fabricated over the surface of rutile TiO2 nanorod. The rutile TiO2@ g-C3N4 core-shell structures showed much higher photo-current and photocatalytic activity for Rhodamine B (RhB) degradation under visible irradiation. The enhanced performance was attributed to the high separation efficiency of photo induced carriers via a Z-scheme form. (C) 2017 Published by Elsevier Inc.
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