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ZIF-assisted constr...
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Huang, ShoushuangShanghai Univ, Peoples R China
(författare)
ZIF-assisted construction of magnetic multiple core-shell Fe3O4@ZnO@N-doped carbon composites for effective photocatalysis
- Artikel/kapitelEngelska2019
Förlag, utgivningsår, omfång ...
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PERGAMON-ELSEVIER SCIENCE LTD,2019
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printrdacarrier
Nummerbeteckningar
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LIBRIS-ID:oai:DiVA.org:liu-162934
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https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-162934URI
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https://doi.org/10.1016/j.ces.2019.115185DOI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:ref swepub-contenttype
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Ämneskategori:art swepub-publicationtype
Anmärkningar
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Funding Agencies|National Natural Science Foundation of ChinaNational Natural Science Foundation of China [21601120, 11375111]; Science and Technology Commission of Shanghai MunicipalityScience & Technology Commission of Shanghai Municipality (STCSM) [17ZR1410500, 19ZR1418100]; Swedish Government strategic faculty grant in material sciencee (SFO, MATLIU) in Advanced Functional Materials (AFM) [5.1-2015-5959]
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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 och genrebeteckningar
Biuppslag (personer, institutioner, konferenser, titlar ...)
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Zhao, JunruShanghai Univ, Peoples R China
(författare)
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Wu, ChenghaoShanghai Univ, Peoples R China
(författare)
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Wang, XinShanghai Univ, Peoples R China
(författare)
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Fei, SimingShanghai Univ, Peoples R China
(författare)
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Zhang, QianShanghai Univ, Peoples R China
(författare)
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Wang, QingShanghai Univ, Peoples R China
(författare)
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Chen, ZhiwenShanghai Univ, Peoples R China
(författare)
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Uvdal, KajsaLinköpings universitet,Molekylär ytfysik och nanovetenskap,Tekniska fakulteten(Swepub:liu)kajuv09
(författare)
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Hu, Zhang-JunLinköpings universitet,Molekylär ytfysik och nanovetenskap,Tekniska fakulteten,Shanghai Univ, Peoples R China(Swepub:liu)zhahu14
(författare)
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Shanghai Univ, Peoples R ChinaMolekylär ytfysik och nanovetenskap
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Chemical Engineering Science: PERGAMON-ELSEVIER SCIENCE LTD2090009-25091873-4405
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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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