About: Lipid Enhanced Exfoliation for Production of Graphene Nanosheets

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://pubs.acs.org/doi/ipdf/10.1021/jp401277g
Description	Liquid-phase exfoliation of graphite is a widely used method to obtain graphene nanosheets, and therefore the development of a simple and efficient exfoliation procedure remains challenging. Here, we present a one-step method of graphene exfoliation in lecithin/chloroform solution. The graphene nanosheets produced by the lecithin assisted exfoliation method were analyzed by microscopy techniques, including statistical analysis of atomic force microscopy (AFM) images and Raman spectroscopy, which both indicate the presence of few-layer graphene nanosheets, including substantial content of three-layer sheets. Molecular dynamics simulations on the time scale of 0.5+ mu s suggested that stability of the obtained colloid may originate from formation of lecithin reverse hemimicelles and micelles, which prevents the aggregation of exfoliated graphene flakes by entropic repulsion of the lipid hydrophobic chains. Liquid-phase exfoliation of graphite is a widely used method to obtain graphene nanosheets, and therefore the development of a simple and efficient exfoliation procedure remains challenging. Here, we present a one-step method of graphene exfoliation in lecithin/chloroform solution. The graphene nanosheets produced by the lecithin assisted exfoliation method were analyzed by microscopy techniques, including statistical analysis of atomic force microscopy (AFM) images and Raman spectroscopy, which both indicate the presence of few-layer graphene nanosheets, including substantial content of three-layer sheets. Molecular dynamics simulations on the time scale of 0.5+ mu s suggested that stability of the obtained colloid may originate from formation of lecithin reverse hemimicelles and micelles, which prevents the aggregation of exfoliated graphene flakes by entropic repulsion of the lipid hydrophobic chains. (en)
Title	Lipid Enhanced Exfoliation for Production of Graphene Nanosheets Lipid Enhanced Exfoliation for Production of Graphene Nanosheets (en)
skos:prefLabel	Lipid Enhanced Exfoliation for Production of Graphene Nanosheets Lipid Enhanced Exfoliation for Production of Graphene Nanosheets (en)
skos:notation	RIV/61989592:15310/13:33145709!RIV14-GA0-15310___
http://linked.open...avai/riv/aktivita	P S
http://linked.open...avai/riv/aktivity	P(ED2.1.00/03.0058), P(GAP208/10/1742), P(GBP208/12/G016), S
http://linked.open...iv/cisloPeriodika	22
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Pykal, Martin Šišková, Karolína Zbořil, Radek Otyepka, Michal Šafářová, Klára Jurečka, Petr
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	Univerzita Palackého v Olomouci / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	85056
http://linked.open...ai/riv/idVysledku	RIV/61989592:15310/13:33145709
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	solvents; graphite; dispersions; bilayer graphene; molecular simulation; liquid-phase exfoliation (en)
http://linked.open.../riv/klicoveSlovo	graphite dispersions bilayer graphene molecular simulation solvents liquid-phase exfoliation
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[A45CF99BCD2A]
http://linked.open...i/riv/nazevZdroje	Journal of Physical Chemistry Part C: Nanomaterials, Interfaces and Hard Matter
http://linked.open...in/vavai/riv/obor	CF
http://linked.open...ichTvurcuVysledku	6 (xsd:int)
http://linked.open...cetTvurcuVysledku	7 (xsd:int)
http://linked.open...vavai/riv/projekt	Molecules on the Surfaces of Carbon Nanostructures Controlling structure and function of biomolecules at the molecular scale: theory meets experiment Regional Centre of Advanced Technologies and Materials
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	117
http://linked.open...iv/tvurceVysledku	Otyepka, Michal Zbořil, Radek Machalová Šišková, Karolína Šafářová, Klára Jurečka, Petr Bourlinos, Athanasios B Pykal, Martin
http://linked.open...ain/vavai/riv/wos	000320214800042
issn	1932-7447
number of pages	4 (xsd:int)
http://bibframe.org/vocab/doi	10.1021/jp401277g
http://localhost/t...ganizacniJednotka	15310

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