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Article: Doping single-layer graphene with aromatic molecules

TitleDoping single-layer graphene with aromatic molecules
Authors
KeywordsField-effect transistors
Aromatic molecules
Raman spectroscopy
Doping
Graphene
Issue Date2009
Citation
Small, 2009, v. 5, n. 12, p. 1422-1426 How to Cite?
AbstractA study was conducted to demonstrate the preparation of single-layer graphene (SLG) films through mechanical exploitation of highly oriented pyrolytic graphite (HOPG) and modify them with various aromatic molecules. It was found that the molecules bound to SLG films through strong π-π interactions between their aromatic rings and the graphene. Electrical measurements on SLG-based field-effect transistors revealed that the aromatic molecules with electron-donating groups caused n-doping, while those with electron-withdrawing groups imposed p-doping on the SLG. The doping effect by these aromatic molecules were characterized by Raman spectroscopy. Itv was suggested that the charge impurity or ripping on the SLG film had the potential to cause an inhomogeneous charge distribution that led to variations of Raman features.
Persistent Identifierhttp://hdl.handle.net/10722/298483
ISSN
2023 Impact Factor: 13.0
2023 SCImago Journal Rankings: 3.348
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorDong, Xiaochen-
dc.contributor.authorFu, Dongliang-
dc.contributor.authorFang, Wenjing-
dc.contributor.authorShi, Yumeng-
dc.contributor.authorChen, Peng-
dc.contributor.authorLi, Lain Jong-
dc.date.accessioned2021-04-08T03:08:31Z-
dc.date.available2021-04-08T03:08:31Z-
dc.date.issued2009-
dc.identifier.citationSmall, 2009, v. 5, n. 12, p. 1422-1426-
dc.identifier.issn1613-6810-
dc.identifier.urihttp://hdl.handle.net/10722/298483-
dc.description.abstractA study was conducted to demonstrate the preparation of single-layer graphene (SLG) films through mechanical exploitation of highly oriented pyrolytic graphite (HOPG) and modify them with various aromatic molecules. It was found that the molecules bound to SLG films through strong π-π interactions between their aromatic rings and the graphene. Electrical measurements on SLG-based field-effect transistors revealed that the aromatic molecules with electron-donating groups caused n-doping, while those with electron-withdrawing groups imposed p-doping on the SLG. The doping effect by these aromatic molecules were characterized by Raman spectroscopy. Itv was suggested that the charge impurity or ripping on the SLG film had the potential to cause an inhomogeneous charge distribution that led to variations of Raman features.-
dc.languageeng-
dc.relation.ispartofSmall-
dc.subjectField-effect transistors-
dc.subjectAromatic molecules-
dc.subjectRaman spectroscopy-
dc.subjectDoping-
dc.subjectGraphene-
dc.titleDoping single-layer graphene with aromatic molecules-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1002/smll.200801711-
dc.identifier.pmid19296561-
dc.identifier.scopuseid_2-s2.0-67650324896-
dc.identifier.volume5-
dc.identifier.issue12-
dc.identifier.spage1422-
dc.identifier.epage1426-
dc.identifier.eissn1613-6829-
dc.identifier.isiWOS:000267381100008-
dc.identifier.issnl1613-6810-

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