Journal
MATERIALS LETTERS
Volume 238, Issue -, Pages 281-285Publisher
ELSEVIER
DOI: 10.1016/j.matlet.2018.12.032
Keywords
BiO2-x; (BiO)(2)CO3; Phenol; Photocatalytic
Funding
- Basic Science Research Program through the National Research Foundation of Korea - Ministry of Science, ICT and Future Planning [2017R1D1A1B03032265]
- National Natural Science Foundation of China [51772183]
- National Research Foundation of Korea [2017R1D1A1B03032265] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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In this study, novel BiO2 (x)-(BiO)(2)CO3 photocatalysts with Z -scheme structure were successfully prepared by a hydrothermal method. XRD patterns clearly indicated the coexistence of both BiO2 x and (BiO)(2)CO3 in the composites. The formation of heterojunction was observed by TEM. The BiO2-x-(BiO)(2)CO3 possessed an excellent phenol degrading rate of 95% within 60 min under visible light irradiation. Radical trapping experiments indicated that both h(+), HO center dot and O-2(center dot) are the main active species responsible for the degradations. The fantastic Z-scheme structure of the BiO2 (x)-(BiO)(2)CO3 heterogeneous not only extended photo-responsive range but also enhanced electron-hole separation capacity. (C) 2018 Elsevier B.V. All rights reserved.
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