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Searching for magnetism in hydrogenated graphene: Using highly hydrogenated graphene prepared via birch reduction of graphite oxides
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SYSNO ASEP 0423866 Druh ASEP J - Článek v odborném periodiku Zařazení RIV J - Článek v odborném periodiku Poddruh J Článek ve WOS Název Searching for magnetism in hydrogenated graphene: Using highly hydrogenated graphene prepared via birch reduction of graphite oxides Tvůrce(i) Eng, A.Y.S. (SG)
Poh, H. L. (SG)
Šaněk, F. (CZ)
Maryško, Miroslav (FZU-D) RID
Matějková, Stanislava (UOCHB-X) RID, ORCID
Šofer, Z. (CZ)
Pumera, M. (SG)Zdroj.dok. ACS Nano. - : American Chemical Society - ISSN 1936-0851
Roč. 7, č. 7 (2013), s. 5930-5939Poč.str. 10 s. Jazyk dok. eng - angličtina Země vyd. US - Spojené státy americké Klíč. slova hydrogenated graphene ; graphane ; graphite oxide ; ferromagnetism Vědní obor RIV BM - Fyzika pevných látek a magnetismus Vědní obor RIV – spolupráce Ústav organické chemie a biochemie - Fyzikální chemie a teoretická chemie CEP GA13-20507S GA ČR - Grantová agentura ČR Institucionální podpora FZU-D - RVO:68378271 ; UOCHB-X - RVO:61388963 UT WOS 000322417400033 EID SCOPUS 84880773343 DOI 10.1021/nn4016289 Anotace Fully hydrogenated graphene (graphane) and partially hydrogenated graphene materials are expected to possess various fundamentally different properties from graphene. We have prepared highly hydrogenated graphene containing 5% wt of hydrogen via Birch reduction of graphite oxide using elemental sodium in liquid NH3 as electron donor and methanol as proton donor in the reduction. We also investigate the influence of preparation method of graphite oxide, such as the Staudenmaier, Hofmann or Hummers methods on the hydrogenation rate. A control experiment involving NaNH2 instead of elemental Na was also performed. The materials were characterized in detail by electron microscopy, infrared spectroscopy, X-ray photoelectron spectroscopy, Raman spectroscopy both at room and low temperatures, X-ray fluorescence spectroscopy, inductively coupled plasma optical emission spectroscopy, combustible elemental analysis and electrical resistivity measurements. Pracoviště Fyzikální ústav Kontakt Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Rok sběru 2014
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