About: Raman spectroscopy and spectroelectrochemistry of the chemically n-doped DWCNT

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Ramanská spektroskopie a in-situ Ramanská spektroelektrochemie byla použita pro studium chemických dopantů uvnitř dvojstěnných uhlíkových nanotub (DWCNT) po dopování draslíkovou parou. Silné dopování bylo potvrzeno zmizením signálu radiálního dýchacího modu (RBM) vnějších tub. RBM vnitřních tub bylo možné detekovat i přes silné dopování. U dopovaných vzorků se ve spektrech objevily RBM vnitřních tub, které nebyly v rezonanci v případě nedopovaných vzorků. Odstranění draslíku z dopovaných DWCNT vedlo k téměř kompletnímu obnovení původních DWCNT spekter. U vzorků, které byly hydrolyzovány vodou byla možná přítomnost draslíku uvnitř DWCNT dále studována pomocí electrochemického dopování. (cs) The Raman spectroscopy and in situ Raman spectroelectrochemistry have been employed to evaluate the state of chemical dopants in the inner space of potassium vapor treated double walled carbon nanotubes (DWCNT) for samples heavily doped. The doping level was confirmed by the disappearance of the radial breathing mode (RBM) signal of outer tubes. The RBMs of inner tubes are still detected even after heavy doping. Furthermore the Raman spectra of doped samples show the RBM of inner tubes, which were not in resonance for undoped sample. The removal of potassium from doped DWCNT led to an almost complete recovery of the DWCNT spectra. The possible presence of potassium inside DWCNT has been investigated by electrochemical charging after a treatment of the sample with water. The Raman spectroscopy and in situ Raman spectroelectrochemistry have been employed to evaluate the state of chemical dopants in the inner space of potassium vapor treated double walled carbon nanotubes (DWCNT) for samples heavily doped. The doping level was confirmed by the disappearance of the radial breathing mode (RBM) signal of outer tubes. The RBMs of inner tubes are still detected even after heavy doping. Furthermore the Raman spectra of doped samples show the RBM of inner tubes, which were not in resonance for undoped sample. The removal of potassium from doped DWCNT led to an almost complete recovery of the DWCNT spectra. The possible presence of potassium inside DWCNT has been investigated by electrochemical charging after a treatment of the sample with water. (en)
Title	Raman spectroscopy and spectroelectrochemistry of the chemically n-doped DWCNT Raman spektroelektrochemická studie chemicky n-dopovaných DWCNT (cs) Raman spectroscopy and spectroelectrochemistry of the chemically n-doped DWCNT (en)
skos:prefLabel	Raman spectroscopy and spectroelectrochemistry of the chemically n-doped DWCNT Raman spektroelektrochemická studie chemicky n-dopovaných DWCNT (cs) Raman spectroscopy and spectroelectrochemistry of the chemically n-doped DWCNT (en)
skos:notation	RIV/61388955:_____/07:00090794!RIV08-MSM-61388955
http://linked.open.../vavai/riv/strany	4086;4091
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(KJB400400601), P(LC510), Z(AV0Z40400503)
http://linked.open...iv/cisloPeriodika	11
http://linked.open...vai/riv/dodaniDat	2008
http://linked.open...aciTvurceVysledku	Zukalová, Markéta Kavan, Ladislav Kalbáč, Martin
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	446370
http://linked.open...ai/riv/idVysledku	RIV/61388955:_____/07:00090794
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Raman spectroscopy; spectroelectrochemistry; DWCNT (en)
http://linked.open.../riv/klicoveSlovo	Raman spectroscopy DWCNT spectroelectrochemistry
http://linked.open...odStatuVydavatele	DE - Spolková republika Německo
http://linked.open...ontrolniKodProRIV	[22A1321952D6]
http://linked.open...i/riv/nazevZdroje	Physica Status Solidi B-Basic Solid State Physics
http://linked.open...in/vavai/riv/obor	CG
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Center of nanotechnology and materials for nanoelectronics Electrochemical and spectroelectrochemical study of carbon nanostructures
http://linked.open...UplatneniVysledku	2007
http://linked.open...v/svazekPeriodika	244
http://linked.open...iv/tvurceVysledku	Dunsch, L. Kalbáč, Martin Kavan, Ladislav Zukalová, Markéta
http://linked.open...n/vavai/riv/zamer	Struktura, reaktivita a dynamika molekulárních a biomolekulárních systémů: teorie, experiment, aplikace
issn	0370-1972
number of pages	6 (xsd:int)
is http://linked.open...avai/riv/vysledek of	Raman spectroscopy and spectroelectrochemistry of the chemically n-doped DWCNT Raman spectroscopy and spectroelectrochemistry of the chemically n-doped DWCNT Raman spectroscopy and spectroelectrochemistry of the chemically n-doped DWCNT

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