Solvothermal synthesis of mesoporous magnetite nanoparticles for Cr(IV) ions uptake and microwave absorption

Handle URI:
http://hdl.handle.net/10754/621580
Title:
Solvothermal synthesis of mesoporous magnetite nanoparticles for Cr(IV) ions uptake and microwave absorption
Authors:
Shen, Peng; Zhang, Haitao; Zhang, Suojiang; Yuan, Pei; Yang, Yang; Zhang, Qiang; Zhang, Xixiang ( 0000-0002-3478-6414 )
Abstract:
Abstract: Colloidal mesoporous magnetite nanoparticles with tunable porosity were realized by a simple and scalable solvothermal route with the aid of AOT as ligands. AOT was used to induce the anisotropic crystal growth of smaller nanocrystals and restrain their tight aggregation so as to form more mesoscale pores. Morphologies and microstructures investigation by SEM and TEM revealed that the bigger nanoparticles were composed of smaller nanocrystals with an average size of 18 nm. A possible formation mechanism was proposed for the mesoporous nanoparticles. Study of nitrogen adsorption–desorption isotherm revealed that the Brunauer–Emmett–Teller (BET) specific surface area of mesoporous nanoparticles is up to 209 m2/g, resulting from the slit-shaped pores created by the aggregation of polyhedral nanocrystals. Magnetic properties study indicated that the as-prepared nanoparticles are superparamagnetic at room temperature. Optimized mesoporous magnetite nanoparticles exhibit a maximum Cr(VI) ion sorption capacity of 12.9 mmol/g, and its absorption behavior followed a Freundlich model. Microwave absorption study indicated that porous nanoparticles own higher permeability values than that of solid nanoparticles, leading to a higher dielectric loss in the frequency range of 2–18 GHz. Graphical Abstract: [Figure not available: see fulltext.] © 2016, Springer Science+Business Media Dordrecht.
KAUST Department:
Physical Sciences and Engineering (PSE) Division
Citation:
Shen P, Zhang H, Zhang S, Yuan P, Yang Y, et al. (2016) Solvothermal synthesis of mesoporous magnetite nanoparticles for Cr(IV) ions uptake and microwave absorption. J Nanopart Res 18. Available: http://dx.doi.org/10.1007/s11051-016-3442-x.
Publisher:
Springer Nature
Journal:
Journal of Nanoparticle Research
Issue Date:
12-May-2016
DOI:
10.1007/s11051-016-3442-x
Type:
Article
ISSN:
1388-0764; 1572-896X
Sponsors:
This work was financially supported by the National Natural Science Foundation of China (Nos. 21271175, 21127011), National Key Basic Research Program of China (or 973 Program, No. 2014CB239701), One Hundred Talent Program (CAS), and Instrument and Equipment Research and Development Project (No. YZ201221) for HTZ. The authors declare that they have no conflict of interest.
Appears in Collections:
Articles; Physical Sciences and Engineering (PSE) Division

Full metadata record

DC FieldValue Language
dc.contributor.authorShen, Pengen
dc.contributor.authorZhang, Haitaoen
dc.contributor.authorZhang, Suojiangen
dc.contributor.authorYuan, Peien
dc.contributor.authorYang, Yangen
dc.contributor.authorZhang, Qiangen
dc.contributor.authorZhang, Xixiangen
dc.date.accessioned2016-11-03T08:32:35Z-
dc.date.available2016-11-03T08:32:35Z-
dc.date.issued2016-05-12en
dc.identifier.citationShen P, Zhang H, Zhang S, Yuan P, Yang Y, et al. (2016) Solvothermal synthesis of mesoporous magnetite nanoparticles for Cr(IV) ions uptake and microwave absorption. J Nanopart Res 18. Available: http://dx.doi.org/10.1007/s11051-016-3442-x.en
dc.identifier.issn1388-0764en
dc.identifier.issn1572-896Xen
dc.identifier.doi10.1007/s11051-016-3442-xen
dc.identifier.urihttp://hdl.handle.net/10754/621580-
dc.description.abstractAbstract: Colloidal mesoporous magnetite nanoparticles with tunable porosity were realized by a simple and scalable solvothermal route with the aid of AOT as ligands. AOT was used to induce the anisotropic crystal growth of smaller nanocrystals and restrain their tight aggregation so as to form more mesoscale pores. Morphologies and microstructures investigation by SEM and TEM revealed that the bigger nanoparticles were composed of smaller nanocrystals with an average size of 18 nm. A possible formation mechanism was proposed for the mesoporous nanoparticles. Study of nitrogen adsorption–desorption isotherm revealed that the Brunauer–Emmett–Teller (BET) specific surface area of mesoporous nanoparticles is up to 209 m2/g, resulting from the slit-shaped pores created by the aggregation of polyhedral nanocrystals. Magnetic properties study indicated that the as-prepared nanoparticles are superparamagnetic at room temperature. Optimized mesoporous magnetite nanoparticles exhibit a maximum Cr(VI) ion sorption capacity of 12.9 mmol/g, and its absorption behavior followed a Freundlich model. Microwave absorption study indicated that porous nanoparticles own higher permeability values than that of solid nanoparticles, leading to a higher dielectric loss in the frequency range of 2–18 GHz. Graphical Abstract: [Figure not available: see fulltext.] © 2016, Springer Science+Business Media Dordrecht.en
dc.description.sponsorshipThis work was financially supported by the National Natural Science Foundation of China (Nos. 21271175, 21127011), National Key Basic Research Program of China (or 973 Program, No. 2014CB239701), One Hundred Talent Program (CAS), and Instrument and Equipment Research and Development Project (No. YZ201221) for HTZ. The authors declare that they have no conflict of interest.en
dc.publisherSpringer Natureen
dc.subjectColloidalen
dc.subjectIon uptakeen
dc.subjectMagnetic propertiesen
dc.subjectMicrowave absorptionen
dc.subjectNanoparticleen
dc.titleSolvothermal synthesis of mesoporous magnetite nanoparticles for Cr(IV) ions uptake and microwave absorptionen
dc.typeArticleen
dc.contributor.departmentPhysical Sciences and Engineering (PSE) Divisionen
dc.identifier.journalJournal of Nanoparticle Researchen
dc.contributor.institutionBeijing Key Laboratory of Ionic Liquids Clean Process Institute of Process Engineering, Key Laboratory of Green Process and Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, Chinaen
dc.contributor.institutionState Key Laboratory of Green Building Materials, China Building Materials Academy, Beijing, Chinaen
kaust.authorZhang, Qiangen
kaust.authorZhang, Xixiangen
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