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Statements

Subject Item
n2:RIV%2F60461373%3A22310%2F13%3A43895390%21RIV14-MSM-22310___
rdf:type
n8:Vysledek skos:Concept
dcterms:description
Doping of graphene with heteroatoms is an effective way to tailor its properties. Here we describe a simple and scalable method of doping graphene lattice with sulfur atoms during the thermal exfoliation process of graphite oxides. The graphite oxides were first prepared by Staudenmaler, Hofmann, and Hummers methods followed by treatments in hydrogen sulfide, sulfur dioxide, or carbon disulfide. The doped materials were characterized by scanning electron microscopy, high-resolution X-ray photoelectron spectroscopy, combustible elemental analysis, and Raman spectroscopy. The zeta-potential and conductivity of sulfur-doped graphenes were also investigated in this paper. It was found that the level of doping is more dramatically Influenced by the type of graphite oxide used rather than the type of sulfur-containing gas used during exfoliation. Resulting sulfur-doped graphenes act as metal-free electrocatalysts for oxygen reduction reaction Doping of graphene with heteroatoms is an effective way to tailor its properties. Here we describe a simple and scalable method of doping graphene lattice with sulfur atoms during the thermal exfoliation process of graphite oxides. The graphite oxides were first prepared by Staudenmaler, Hofmann, and Hummers methods followed by treatments in hydrogen sulfide, sulfur dioxide, or carbon disulfide. The doped materials were characterized by scanning electron microscopy, high-resolution X-ray photoelectron spectroscopy, combustible elemental analysis, and Raman spectroscopy. The zeta-potential and conductivity of sulfur-doped graphenes were also investigated in this paper. It was found that the level of doping is more dramatically Influenced by the type of graphite oxide used rather than the type of sulfur-containing gas used during exfoliation. Resulting sulfur-doped graphenes act as metal-free electrocatalysts for oxygen reduction reaction
dcterms:title
Sulfur-Doped Graphene via Thermal Exfoliation of Graphite Oxide in H2S, SO2, or CS2 Gas Sulfur-Doped Graphene via Thermal Exfoliation of Graphite Oxide in H2S, SO2, or CS2 Gas
skos:prefLabel
Sulfur-Doped Graphene via Thermal Exfoliation of Graphite Oxide in H2S, SO2, or CS2 Gas Sulfur-Doped Graphene via Thermal Exfoliation of Graphite Oxide in H2S, SO2, or CS2 Gas
skos:notation
RIV/60461373:22310/13:43895390!RIV14-MSM-22310___
n8:predkladatel
n16:orjk%3A22310
n3:aktivita
n7:Z n7:S
n3:aktivity
S, Z(MSM6046137302)
n3:cisloPeriodika
6
n3:dodaniDat
n18:2014
n3:domaciTvurceVysledku
n15:3148262 n15:5250226
n3:druhVysledku
n19:J
n3:duvernostUdaju
n4:S
n3:entitaPredkladatele
n10:predkladatel
n3:idSjednocenehoVysledku
108968
n3:idVysledku
RIV/60461373:22310/13:43895390
n3:jazykVysledku
n14:eng
n3:klicovaSlova
electrochemistry; gas phase; sulfur; doping; graphene
n3:klicoveSlovo
n6:doping n6:sulfur n6:electrochemistry n6:graphene n6:gas%20phase
n3:kodStatuVydavatele
US - Spojené státy americké
n3:kontrolniKodProRIV
[782880214044]
n3:nazevZdroje
ACS Nano
n3:obor
n20:CA
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
4
n3:rokUplatneniVysledku
n18:2013
n3:svazekPeriodika
7
n3:tvurceVysledku
Poh, Hwee Ling Šimek, Petr Sofer, Zdeněk Pumera, Martin
n3:wos
000321093800062
n3:zamer
n11:MSM6046137302
s:issn
1936-0851
s:numberOfPages
11
n13:doi
10.1021/nn401296b
n12:organizacniJednotka
22310