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Enhanced visible light photocatalytic activity of alkaline earth metal ions-doped CdSe/rGO photocatalysts synthesized by hydrothermal method
Zhou, M. J.; D. L. Han; X. L. Liu; C. C. Ma; H. Q. Wang; Y. F. Tang; P. W. Huo; W. D. Shi; Y. S. Yan and J. H. Yang
2015
发表期刊Applied Catalysis B-Environmental
卷号172页码:174-184
摘要Quantum dots (QDs) CdSe exhibits relatively high photocatalytic abilities for its unique properties, but the aggregation and photocorrosion have blocked its further application. Therefore, for arriving at a solution, alkaline earth metal ions (M= Mg2+, Ca2+, Sr2+ and Ba2+) and reduced graphene oxide (rGO) are chosen to fabricated new QDs CdSe-based photocatalytic systems. In this paper, M@CdSe/rGO composites have been synthesized via a facile one-step hydrothermal approach, during which the formation of M doped CdSe crystallization and GO reduction occur simultaneously. The obtained Photocatalysts demonstrates synergistically enhanced visible light photocatalytic activity and stability toward photodegrading tetracycline hydrochloride (TC-HCl) solution, especially the introduction of 6 mol% Ca2+ and 5 wa GO on QDs CdSe resulted in 85.6% degradation of 15 mg/L TC-HCl in 1 h with 0.5 g/L catalyst. Furthermore, the photodegradation mechanism was systematically investigated by active species trapping experiment. It revealed that h(+) was the major active species in the destructions process. And the possible process of charge transfer for Ca2+@CdSe/rGO nanocomposite was proposed based on the experimental results. (C) 2015 Elsevier B.V. All rights reserved.
收录类别SCI ; EI
文献类型期刊论文
条目标识符http://ir.ciomp.ac.cn/handle/181722/55540
专题中科院长春光机所知识产出
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Zhou, M. J.,D. L. Han,X. L. Liu,et al. Enhanced visible light photocatalytic activity of alkaline earth metal ions-doped CdSe/rGO photocatalysts synthesized by hydrothermal method[J]. Applied Catalysis B-Environmental,2015,172:174-184.
APA Zhou, M. J..,D. L. Han.,X. L. Liu.,C. C. Ma.,H. Q. Wang.,...&Y. S. Yan and J. H. Yang.(2015).Enhanced visible light photocatalytic activity of alkaline earth metal ions-doped CdSe/rGO photocatalysts synthesized by hydrothermal method.Applied Catalysis B-Environmental,172,174-184.
MLA Zhou, M. J.,et al."Enhanced visible light photocatalytic activity of alkaline earth metal ions-doped CdSe/rGO photocatalysts synthesized by hydrothermal method".Applied Catalysis B-Environmental 172(2015):174-184.
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