Chemical structures of hydrazine-treated graphene oxide and generation of aromatic nitrogen doping

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dc.contributor.authorPark, Sung-Jinko
dc.contributor.authorHu, Yi-Chenko
dc.contributor.authorHwang, Jin-Okko
dc.contributor.authorLee, Eui-Supko
dc.contributor.authorCasabianca, Leah B.ko
dc.contributor.authorCai, Wei-Weiko
dc.contributor.authorPotts, Jeffrey R.ko
dc.contributor.authorHa, Hyung-Wookko
dc.contributor.authorChen, Shan-Shanko
dc.contributor.authorOh, Jung-Hoonko
dc.contributor.authorKim, Sang-Oukko
dc.contributor.authorKim, Yong-Hyunko
dc.contributor.authorIshii, Yoshitakako
dc.contributor.authorRuoff, Rodney S.ko
dc.date.accessioned2013-03-09T14:20:34Z-
dc.date.available2013-03-09T14:20:34Z-
dc.date.created2012-03-19-
dc.date.created2012-03-19-
dc.date.issued2012-01-
dc.identifier.citationNATURE COMMUNICATIONS, v.3, pp.638-
dc.identifier.issn2041-1723-
dc.identifier.urihttp://hdl.handle.net/10203/96588-
dc.description.abstractChemically modified graphene platelets, produced via graphene oxide, show great promise in a variety of applications due to their electrical, thermal, barrier and mechanical properties. Understanding the chemical structures of chemically modified graphene platelets will aid in the understanding of their physical properties and facilitate development of chemically modified graphene platelet chemistry. Here we use C-13 and N-15 solid-state nuclear magnetic resonance spectroscopy and X-ray photoelectron spectroscopy to study the chemical structure of N-15-labelled hydrazine-treated C-13-labelled graphite oxide and unlabelled hydrazine-treated graphene oxide, respectively. These experiments suggest that hydrazine treatment of graphene oxide causes insertion of an aromatic N-2 moiety in a five-membered ring at the platelet edges and also restores graphitic networks on the basal planes. Furthermore, density-functional theory calculations support the formation of such N-2 structures at the edges and help to elucidate the influence of the aromatic N-2 moieties on the electronic structure of chemically modified graphene platelets.-
dc.languageEnglish-
dc.publisherNATURE PUBLISHING GROUP-
dc.subjectSOLID-STATE NMR-
dc.subjectAUGMENTED-WAVE METHOD-
dc.subjectGRAPHITE OXIDE-
dc.subjectSENSITIVITY ENHANCEMENT-
dc.subjectN-15 NMR-
dc.subjectC-13-
dc.subjectREDUCTION-
dc.subjectFILMS-
dc.subjectNANOSHEETS-
dc.subjectH-1-
dc.titleChemical structures of hydrazine-treated graphene oxide and generation of aromatic nitrogen doping-
dc.typeArticle-
dc.identifier.wosid000299921000036-
dc.identifier.scopusid2-s2.0-84861063078-
dc.type.rimsART-
dc.citation.volume3-
dc.citation.beginningpage638-
dc.citation.publicationnameNATURE COMMUNICATIONS-
dc.identifier.doi10.1038/ncomms1643-
dc.contributor.localauthorKim, Sang-Ouk-
dc.contributor.localauthorKim, Yong-Hyun-
dc.contributor.nonIdAuthorPark, Sung-Jin-
dc.contributor.nonIdAuthorHu, Yi-Chen-
dc.contributor.nonIdAuthorLee, Eui-Sup-
dc.contributor.nonIdAuthorCasabianca, Leah B.-
dc.contributor.nonIdAuthorCai, Wei-Wei-
dc.contributor.nonIdAuthorPotts, Jeffrey R.-
dc.contributor.nonIdAuthorHa, Hyung-Wook-
dc.contributor.nonIdAuthorChen, Shan-Shan-
dc.contributor.nonIdAuthorOh, Jung-Hoon-
dc.contributor.nonIdAuthorIshii, Yoshitaka-
dc.contributor.nonIdAuthorRuoff, Rodney S.-
dc.description.isOpenAccessY-
dc.type.journalArticleArticle-
dc.subject.keywordPlusSOLID-STATE NMR-
dc.subject.keywordPlusAUGMENTED-WAVE METHOD-
dc.subject.keywordPlusGRAPHITE OXIDE-
dc.subject.keywordPlusSENSITIVITY ENHANCEMENT-
dc.subject.keywordPlusN-15 NMR-
dc.subject.keywordPlusC-13-
dc.subject.keywordPlusREDUCTION-
dc.subject.keywordPlusFILMS-
dc.subject.keywordPlusNANOSHEETS-
dc.subject.keywordPlusH-1-
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