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ZIF-assisted constr...
ZIF-assisted construction of magnetic multiple core-shell Fe3O4@ZnO@N-doped carbon composites for effective photocatalysis
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- Huang, Shoushuang (författare)
- Shanghai Univ, Peoples R China
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- Zhao, Junru (författare)
- Shanghai Univ, Peoples R China
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- Wu, Chenghao (författare)
- Shanghai Univ, Peoples R China
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- Wang, Xin (författare)
- Shanghai Univ, Peoples R China
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- Fei, Siming (författare)
- Shanghai Univ, Peoples R China
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- Zhang, Qian (författare)
- Shanghai Univ, Peoples R China
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- Wang, Qing (författare)
- Shanghai Univ, Peoples R China
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- Chen, Zhiwen (författare)
- Shanghai Univ, Peoples R China
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- Uvdal, Kajsa (författare)
- Linköpings universitet,Molekylär ytfysik och nanovetenskap,Tekniska fakulteten
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- Hu, Zhang-Jun (författare)
- Linköpings universitet,Molekylär ytfysik och nanovetenskap,Tekniska fakulteten,Shanghai Univ, Peoples R China
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(creator_code:org_t)
- PERGAMON-ELSEVIER SCIENCE LTD, 2019
- 2019
- Engelska.
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Ingår i: Chemical Engineering Science. - : PERGAMON-ELSEVIER SCIENCE LTD. - 0009-2509 .- 1873-4405. ; 209
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Magnetic Fe3O4@ZnO@nitrogen-doped carbon (Fe3O4@ZnO@N-C) composites with multiple core-shell structures have been successfully synthesized by calcination of ZIF-8 coated Fe3O4@ZnO core-shell nanocrystals. The morphologies and microstructural characteristics are investigated by X-ray diffraction, Fourier-transform infrared spectrometer, transmission electron microscopy, X-ray photoelectron spectroscopy, physical adsorption of nitrogen, and UV-vis diffuse reflectance spectroscopy. The photocatalytic performances are tested by degrading methylene blue (MB) in aqueous solutions under the irradiation of imitative sunlight. The photocatalytic trials indicate that the Fe3O4@ZnO@N-C composites exhibit improved degradation efficiency compared to the Fe3O4@ZnO precursor. The photocatalytic efficiencies of the as-prepared Fe3O4@ZnO@N-C composites towards MB are 93% under irradiation of imitative sunlight for 90 min and still maintained to be 87% after 6 recycles, which shows very good stability and recyclability. Nitrogen-doped carbon is believed to extend the absorption spectra to the visible-light region. The photodegradation kinetics via using the as-prepared Fe3O4@ZnO@N-C composite as a novel photocatalyst are systematically investigated. (C) 2019 Elsevier Ltd. All rights reserved.
Ämnesord
- NATURVETENSKAP -- Kemi -- Oorganisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Inorganic Chemistry (hsv//eng)
Nyckelord
- Fe3O4; ZnO; ZIF-8; Nitrogen-doped carbon; Photocatalysis; Magnetic recovery
Publikations- och innehållstyp
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- art (ämneskategori)
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Till lärosätets databas
- Av författaren/redakt...
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Huang, Shoushuan ...
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Zhao, Junru
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Wu, Chenghao
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Wang, Xin
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Fei, Siming
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Zhang, Qian
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visa fler...
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Wang, Qing
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Chen, Zhiwen
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Uvdal, Kajsa
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Hu, Zhang-Jun
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visa färre...
- Om ämnet
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- NATURVETENSKAP
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NATURVETENSKAP
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och Kemi
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och Oorganisk kemi
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Chemical Enginee ...
- Av lärosätet
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Linköpings universitet