Structural and Chemical Analysis of Gadolinium Halides Encapsulated within WS 2 Nanotubes

Handle URI:
http://hdl.handle.net/10754/611203
Title:
Structural and Chemical Analysis of Gadolinium Halides Encapsulated within WS 2 Nanotubes
Authors:
Anumol, E A; Enyashin, Andrey; Batra, Nitin M ( 0000-0002-6611-7370 ) ; Da Costa, Pedro M. F. J. ( 0000-0002-1993-6701 ) ; Francis, Leonard Deepak
Abstract:
The hollow cavities of nanotubes could serve as templates for the growth of size- and shape-confined functional nanostructures, giving rise to novel materials and properties. In this work, considering their potential application as MRI contrast agents, gadolinium halides are encapsulated within the hollow cavities of inorganic nanotubes of WS2 by capillary filling to obtain GdX3@WS2 nanotubes (where X = Cl, Br or I and @ means encapsulated in). Aberration corrected scanning/transmission electron microscopy (S/TEM) and spectroscopy is employed to understand the morphology and composition of the GdI3@WS2 nanotubes. The three dimensional morphology is studied with STEM tomography but understanding the compositional information is a non-trivial matter due to the presence of multiple high atomic number elements. Therefore, energy dispersive X-ray spectroscopy (EDS) tomography was employed revealing the three dimensional chemical composition. Molecular dynamics simulations of the filling procedure shed light into the mechanics behind the formation of the confined gadolinium halide crystals. The quasi-1D system employed here serves as an example of a TEM-based chemical nanotomography method that could be extended to other materials, including beam-sensitive soft materials.
KAUST Department:
Physical Sciences and Engineering (PSE) Division
Citation:
Structural and Chemical Analysis of Gadolinium Halides Encapsulated within WS 2 Nanotubes 2016 Nanoscale
Publisher:
Royal Society of Chemistry (RSC)
Journal:
Nanoscale
Issue Date:
18-May-2016
DOI:
10.1039/C6NR02710E
Type:
Article
ISSN:
2040-3364; 2040-3372
Sponsors:
The authors would like to thank Prof. Reshef Tenne (WIS) and Dr. Alla Zak (HIT) for providing the WS2 nanotubes. The authors thank Dr. Manuel Banobre-Lopez for help with the filling of the ampoules. FLD and EAA acknowledge the financial support provided by the ERDF (ON.2 - O Novo Norte Program). ANE acknowledges the support by Act 211 Government of the Russian Federation, contract №. 02.A03.21.0006. NMB and PMFJC acknowledge funding from KAUST.
Additional Links:
http://pubs.rsc.org/en/Content/ArticleLanding/2016/NR/C6NR02710E
Appears in Collections:
Articles; Physical Sciences and Engineering (PSE) Division

Full metadata record

DC FieldValue Language
dc.contributor.authorAnumol, E Aen
dc.contributor.authorEnyashin, Andreyen
dc.contributor.authorBatra, Nitin Men
dc.contributor.authorDa Costa, Pedro M. F. J.en
dc.contributor.authorFrancis, Leonard Deepaken
dc.date.accessioned2016-05-30T13:33:30Z-
dc.date.available2016-05-30T13:33:30Z-
dc.date.issued2016-05-18-
dc.identifier.citationStructural and Chemical Analysis of Gadolinium Halides Encapsulated within WS 2 Nanotubes 2016 Nanoscaleen
dc.identifier.issn2040-3364-
dc.identifier.issn2040-3372-
dc.identifier.doi10.1039/C6NR02710E-
dc.identifier.urihttp://hdl.handle.net/10754/611203-
dc.description.abstractThe hollow cavities of nanotubes could serve as templates for the growth of size- and shape-confined functional nanostructures, giving rise to novel materials and properties. In this work, considering their potential application as MRI contrast agents, gadolinium halides are encapsulated within the hollow cavities of inorganic nanotubes of WS2 by capillary filling to obtain GdX3@WS2 nanotubes (where X = Cl, Br or I and @ means encapsulated in). Aberration corrected scanning/transmission electron microscopy (S/TEM) and spectroscopy is employed to understand the morphology and composition of the GdI3@WS2 nanotubes. The three dimensional morphology is studied with STEM tomography but understanding the compositional information is a non-trivial matter due to the presence of multiple high atomic number elements. Therefore, energy dispersive X-ray spectroscopy (EDS) tomography was employed revealing the three dimensional chemical composition. Molecular dynamics simulations of the filling procedure shed light into the mechanics behind the formation of the confined gadolinium halide crystals. The quasi-1D system employed here serves as an example of a TEM-based chemical nanotomography method that could be extended to other materials, including beam-sensitive soft materials.en
dc.description.sponsorshipThe authors would like to thank Prof. Reshef Tenne (WIS) and Dr. Alla Zak (HIT) for providing the WS2 nanotubes. The authors thank Dr. Manuel Banobre-Lopez for help with the filling of the ampoules. FLD and EAA acknowledge the financial support provided by the ERDF (ON.2 - O Novo Norte Program). ANE acknowledges the support by Act 211 Government of the Russian Federation, contract №. 02.A03.21.0006. NMB and PMFJC acknowledge funding from KAUST.en
dc.language.isoenen
dc.publisherRoyal Society of Chemistry (RSC)en
dc.relation.urlhttp://pubs.rsc.org/en/Content/ArticleLanding/2016/NR/C6NR02710Een
dc.rightsArchived with thanks to Nanoscaleen
dc.titleStructural and Chemical Analysis of Gadolinium Halides Encapsulated within WS 2 Nanotubesen
dc.typeArticleen
dc.contributor.departmentPhysical Sciences and Engineering (PSE) Divisionen
dc.identifier.journalNanoscaleen
dc.eprint.versionPost-printen
dc.contributor.institutionInternational Iberian Nanotechnology Laboratory (INL), Avenida Mestre Jose Veiga, Braga 4715-330, Portugalen
dc.contributor.institutionUral Federal University, Institute of Mathematics and Computer Sciences, Turgeneva Str., 4, 620083 Ekaterinburg, Russian Federationen
dc.contributor.affiliationKing Abdullah University of Science and Technology (KAUST)en
kaust.authorBatra, Nitin Men
kaust.authorDa Costa, Pedro M. F. J.en
All Items in KAUST are protected by copyright, with all rights reserved, unless otherwise indicated.