Journal
MATERIALS LETTERS
Volume 234, Issue -, Pages 264-268Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2018.09.115
Keywords
Semiconductors; Composite materials; Up-conversion; Photocatalytic activity
Funding
- National Natural Science Foundation of China [21476161]
- Hebei Provincial Foundation for International Cooperation [15391403D]
- Natural Sciences and Engineering Research Council of Canada (Discovery)
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A novel and highly efficient three-component Ag/CQDs/Bi2O2CO3 was successfully prepared. The synergistic effect of the up-conversion property of carbon quantum dots and the surface plasmon resonance from Ag effectively improves the full spectrum absorption and photogenerated charge transfer for Ag/CQDs/Bi2O2CO3 in wastewater treatment. 3-Ag/CQDs/Bi2O2CO3 can degrade methylene blue and bisphenol A by up to 93.85% and 54.88%, respectively, within 90 min under visible light. Additionally, 3-Ag/CQDs/Bi2O2CO3 has a photocatalytic activity of 73.75 and 99.25% for MB under UV light and simulated sunlight, respectively. Here, the new-styled three-component Ag/CQDs/Bi2O2CO3 may provide a valuable method to design highly efficient and full spectrum sunlight harvesting photocatalytic materials. (C) 2018 Elsevier B.V. All rights reserved.
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