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Article: Absorption spectra and chirality of single-walled 4 Å carbon nanotubes

TitleAbsorption spectra and chirality of single-walled 4 Å carbon nanotubes
Authors
KeywordsPhysics engineering
Issue Date2002
PublisherAmerican Institute of Physics. The Journal's web site is located at http://apl.aip.org/
Citation
Applied Physics Letters, 2002, v. 80 n. 18, p. 3415-3417 How to Cite?
AbstractAbsorption spectrum of recently discovered single-walled 4 Å carbon nanotubes is measured. The semiempirical PM3 localized-density-matrix method is employed to evaluate the absorption spectra of three possible 4 Å single-walled carbon nanotubes, (3,3), (4,2), and (5,0). Both experimental and calculated results reveal that these nanotubes have finite optical gaps and strong anisotropic optical responses. When the electric field is perpendicular to the nanotubes, they are transparent to visible lights; and this is confirmed and explained by the calculations. Compared to the measured absorption spectrum, calculated absorption spectra are used to determine the chirality of the nanotubes synthesized in the channels of porous zeolites. © 2002 American Institute of Physics.
Persistent Identifierhttp://hdl.handle.net/10722/42041
ISSN
2015 Impact Factor: 3.142
2015 SCImago Journal Rankings: 1.105
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorLiang, Wen_HK
dc.contributor.authorChen, Gen_HK
dc.contributor.authorLi, Zen_HK
dc.contributor.authorTang, ZKen_HK
dc.date.accessioned2007-01-08T02:27:34Z-
dc.date.available2007-01-08T02:27:34Z-
dc.date.issued2002en_HK
dc.identifier.citationApplied Physics Letters, 2002, v. 80 n. 18, p. 3415-3417en_HK
dc.identifier.issn0003-6951en_HK
dc.identifier.urihttp://hdl.handle.net/10722/42041-
dc.description.abstractAbsorption spectrum of recently discovered single-walled 4 Å carbon nanotubes is measured. The semiempirical PM3 localized-density-matrix method is employed to evaluate the absorption spectra of three possible 4 Å single-walled carbon nanotubes, (3,3), (4,2), and (5,0). Both experimental and calculated results reveal that these nanotubes have finite optical gaps and strong anisotropic optical responses. When the electric field is perpendicular to the nanotubes, they are transparent to visible lights; and this is confirmed and explained by the calculations. Compared to the measured absorption spectrum, calculated absorption spectra are used to determine the chirality of the nanotubes synthesized in the channels of porous zeolites. © 2002 American Institute of Physics.en_HK
dc.format.extent58247 bytes-
dc.format.extent5009 bytes-
dc.format.mimetypeapplication/pdf-
dc.format.mimetypetext/plain-
dc.languageengen_HK
dc.publisherAmerican Institute of Physics. The Journal's web site is located at http://apl.aip.org/en_HK
dc.relation.ispartofApplied Physics Lettersen_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.rightsApplied Physics Letters. Copyright © American Institute of Physics.en_HK
dc.subjectPhysics engineeringen_HK
dc.titleAbsorption spectra and chirality of single-walled 4 Å carbon nanotubesen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0003-6951&volume=80&issue=18&spage=3415&epage=3417&date=2002&atitle=Absorption+spectra+and+chirality+of+single-walled+4+A+carbon+nanotubesen_HK
dc.identifier.emailChen, G:ghc@yangtze.hku.hken_HK
dc.identifier.authorityChen, G=rp00671en_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.doi10.1063/1.1478155en_HK
dc.identifier.scopuseid_2-s2.0-79955981249en_HK
dc.identifier.hkuros69057-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-79955981249&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume80en_HK
dc.identifier.issue18en_HK
dc.identifier.spage3415en_HK
dc.identifier.epage3417en_HK
dc.identifier.isiWOS:000175298400057-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridLiang, W=7402026799en_HK
dc.identifier.scopusauthoridChen, G=35253368600en_HK
dc.identifier.scopusauthoridLi, Z=14031741300en_HK
dc.identifier.scopusauthoridTang, ZK=7403305942en_HK

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