About: Preparation and size control of cerium(IV) oxide ultrafine nanoparticles

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	CeO2 ultrafine nanoparticles (made by reaction of cerium(IV) sulphate with ammonia solution) have been treated in suspension in boiling water, N,N-dimethylformamide and dimethylsulfoxide (DMSO) for various times. Prepared nanoparticles were analysed by X-ray diffraction (XRD), X-ray fluorescence, infrared spectroscopy and high-resolution transmission electron microscopy (HRTEM). Sizes of nanoparticles were calculated by using Scherrer formula. Validation of nanoparticles sizes, shapes and ordering was determined from HRTEM images. It has been discovered that sizes of nanoparticles increase with increasing boiling point of the solvent and with increasing time. Maximal sizes of nanoparticles were 8.9 nm and were obtained by treatment in boiling DMSO. Obtained nanoparticles were high quality, separable and had cubical-like (smaller ones) and spherical-like (bigger ones) shapes. The main advantage of this method is simply enabling its use in almost all chemical laboratories and high quality characterisati CeO2 ultrafine nanoparticles (made by reaction of cerium(IV) sulphate with ammonia solution) have been treated in suspension in boiling water, N,N-dimethylformamide and dimethylsulfoxide (DMSO) for various times. Prepared nanoparticles were analysed by X-ray diffraction (XRD), X-ray fluorescence, infrared spectroscopy and high-resolution transmission electron microscopy (HRTEM). Sizes of nanoparticles were calculated by using Scherrer formula. Validation of nanoparticles sizes, shapes and ordering was determined from HRTEM images. It has been discovered that sizes of nanoparticles increase with increasing boiling point of the solvent and with increasing time. Maximal sizes of nanoparticles were 8.9 nm and were obtained by treatment in boiling DMSO. Obtained nanoparticles were high quality, separable and had cubical-like (smaller ones) and spherical-like (bigger ones) shapes. The main advantage of this method is simply enabling its use in almost all chemical laboratories and high quality characterisati (en)
Title	Preparation and size control of cerium(IV) oxide ultrafine nanoparticles Preparation and size control of cerium(IV) oxide ultrafine nanoparticles (en)
skos:prefLabel	Preparation and size control of cerium(IV) oxide ultrafine nanoparticles Preparation and size control of cerium(IV) oxide ultrafine nanoparticles (en)
skos:notation	RIV/60461373:22310/10:00022977!RIV11-MSM-22310___
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(MSM6046137302)
http://linked.open...iv/cisloPeriodika	4
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Smrčková, Olga Bartůněk, Vilém
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoká škola chemicko-technologická v Praze / Fakulta chemické technologie
http://linked.open...dnocenehoVysledku	281349
http://linked.open...ai/riv/idVysledku	RIV/60461373:22310/10:00022977
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	CeO2 nanoparticles; particles; system (en)
http://linked.open.../riv/klicoveSlovo	system particles CeO2 nanoparticles
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[1C5FCA57BD00]
http://linked.open...i/riv/nazevZdroje	Micro & Nano Letters
http://linked.open...in/vavai/riv/obor	CA
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...UplatneniVysledku	2010
http://linked.open...v/svazekPeriodika	5
http://linked.open...iv/tvurceVysledku	Bartůněk, Vilém Smrčková, Olga
http://linked.open...ain/vavai/riv/wos	000281353300008
http://linked.open...n/vavai/riv/zamer	Preparation and research of functional materials and material technologies using micro- and nanoscopic methods
issn	1750-0443
number of pages	3 (xsd:int)
http://localhost/t...ganizacniJednotka	22310
is http://linked.open...avai/riv/vysledek of	Preparation and size control of cerium(IV) oxide ultrafine nanoparticles Preparation and size control of cerium(IV) oxide ultrafine nanoparticles Preparation and size control of cerium(IV) oxide ultrafine nanoparticles

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