About: Electrochemical Tuning of Electronic Structure of C60 and C70 Fullerene Peapods: In situ Visible Near-Infrared and Raman Study.

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About: Electrochemical Tuning of Electronic Structure of C60 and C70 Fullerene Peapods: In situ Visible Near-Infrared and Raman Study. Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The population of valence-band electronic states of fullerene peapods (C60@SWCNT and C70@SWCNT) was tuned electrochemically in 0.2 M LiClO4 + acetonitrile. Electrochemistry of peapods is dominated by their capacitive charging without distinct faradaic processes. In-situ Vis-NIR spectra of C60/C70 peapods are similar to those of empty nanotubes. Electrochemical charging causes reversible bleaching of the transitions between Van Hove singularities. This bleaching is mirrored by quenching of resonance Raman spectra in the regions of tube-related modes. The Raman modes of intratubular C60 exhibit considerable intensity increase upon anodic doping of peapods, but these Raman modes are not enhanced at cathodic charging. In contrast to that, C70@SWCNT does not show any enhancement of Raman intensities at both anodic and cathodic potentials. All the relevant Raman modes of intratubular C70 show symmetric charge-transfer bleaching as the tube-related modes. The population of valence-band electronic states of fullerene peapods (C60@SWCNT and C70@SWCNT) was tuned electrochemically in 0.2 M LiClO4 + acetonitrile. Electrochemistry of peapods is dominated by their capacitive charging without distinct faradaic processes. In-situ Vis-NIR spectra of C60/C70 peapods are similar to those of empty nanotubes. Electrochemical charging causes reversible bleaching of the transitions between Van Hove singularities. This bleaching is mirrored by quenching of resonance Raman spectra in the regions of tube-related modes. The Raman modes of intratubular C60 exhibit considerable intensity increase upon anodic doping of peapods, but these Raman modes are not enhanced at cathodic charging. In contrast to that, C70@SWCNT does not show any enhancement of Raman intensities at both anodic and cathodic potentials. All the relevant Raman modes of intratubular C70 show symmetric charge-transfer bleaching as the tube-related modes. (en)
Title	Electrochemical Tuning of Electronic Structure of C60 and C70 Fullerene Peapods: In situ Visible Near-Infrared and Raman Study. Electrochemical Tuning of Electronic Structure of C60 and C70 Fullerene Peapods: In situ Visible Near-Infrared and Raman Study. (en)
skos:prefLabel	Electrochemical Tuning of Electronic Structure of C60 and C70 Fullerene Peapods: In situ Visible Near-Infrared and Raman Study. Electrochemical Tuning of Electronic Structure of C60 and C70 Fullerene Peapods: In situ Visible Near-Infrared and Raman Study. (en)
skos:notation	RIV/61388955:_____/03:54030146!RIV/2004/AV0/A54004/N
http://linked.open.../vavai/riv/strany	7666;7675
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(AV0Z4040901)
http://linked.open...iv/cisloPeriodika	N/A
http://linked.open...vai/riv/dodaniDat	2004
http://linked.open...aciTvurceVysledku	Kavan, Ladislav
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav fyzikální chemie J. Heyrovského AV ČR, v.v.i.
http://linked.open...dnocenehoVysledku	605631
http://linked.open...ai/riv/idVysledku	RIV/61388955:_____/03:54030146
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	wall carbon nanotubes; NIR; spectroelectrochemistry (en)
http://linked.open.../riv/klicoveSlovo	NIR spectroelectrochemistry wall carbon nanotubes
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[046E6CA648D2]
http://linked.open...i/riv/nazevZdroje	Journal of Physical Chemistry. B
http://linked.open...in/vavai/riv/obor	CF
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...ocetUcastnikuAkce	0 (xsd:int)
http://linked.open...nichUcastnikuAkce	0 (xsd:int)
http://linked.open...UplatneniVysledku	2003
http://linked.open...v/svazekPeriodika	107
http://linked.open...iv/tvurceVysledku	Dunsch, L. Kavan, Ladislav Kataura, H. Okada, S. Oshiyama, A. Otani, M.
http://linked.open...n/vavai/riv/zamer	Objasňování zákonitostí vztahů struktury a vlastností - zejména dynamiky a chemické reaktivity - látek a molekulárních systémů
issn	1089-5647
number of pages	10 (xsd:int)

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