Journal
RSC ADVANCES
Volume 7, Issue 61, Pages 38682-38690Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7ra06681c
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Funding
- National Nature Science Foundation of China [21476097]
- Priority Academic Program Development of Jiangsu Higher Education Institutions [2014-JNHB-014]
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To overcome the shortcomings of low photocatalytic efficiency, mpg-C3N4/Bi2WO6 photocatalysts have been successfully designed via a facile hydrothermal method. A succession of techniques was used to explore the morphology, structure, surface composition and photocatalytic property of the mpg-C3N4/Bi2WO6 material. The mpg-C3N4/Bi2WO6 nanohybrid has high photocatalytic performance for the degradation of tetracycline hydrochloride (TC) and rhodamine B (RhB). Holes, center dot O-2(-) and center dot OH radicals are determined to be the active species in the process of photocatalytic degradation by ESR and capture experiments. The ultrathin thickness of nest-like Bi2WO6 and the introduction of mpg-C3N4 into the Bi2WO6 matrix can improve the photocatalytic efficiency. The photocatalytic Z-scheme mechanism of the system was also discussed in detail. This work paves the way for preparing visible-light-driven nanocomposites for pollutant degradation.
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