About: Electrochemical Tuning of High Energy Photon Branches of Double Wall Carbon Nanotubes     Goto   Sponge   NotDistinct   Permalink

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Description
  • Double wall carbonové nanotuby (DWCNT) byly studovány pomocí Ramanovy spektroskopie a in-situ Ramanovy spektroelektrochemie. Dvě komponenty G - modu byly přiřazeny signálům vnitřních a vnějsích tub. Závislost intensity a frekvence G modu na excitační energii laseru byla odlišná pro vnitřní a vnější tuby. Změny způsobené elektrochemickým potenciálem jsou detailně diskutovány. Níže ležící část G modu vykazovala zpožděnou reakci na vložený náboj. Navíc vyhasínání této komponenty bylo méně symetrické pokud byl potenciál měněn z anodického ke katodickému. Bylo ukázáno, že G -mod může být s výhodou použit pro podrobnou charakterizaci DWCNT jak v původním nedopovaném stavu tak po elektrochemickém dopování. (cs)
  • Double wall carbon nanotubes (DWCNT) were studied by Raman spectroscopy and by in situ Raman spectroelectrochemistry. Two components of the G''-mode were assigned to the signals from inner and outer tubes. The dependence of the G''-mode intensity and frequency on the excitation laser energy was different for the inner and outer tubes. The changes in G''-mode caused by the applied electrochemical potential were discussed in detail. The red shifted component of the G''-mode exhibits delayed response to the electrochemical charging. Moreover, bleaching of the red shifted component was less symmetrical than that of the blue shifted component, if the applied electrode potential swept in anodic and cathodic directions.
  • Double wall carbon nanotubes (DWCNT) were studied by Raman spectroscopy and by in situ Raman spectroelectrochemistry. Two components of the G''-mode were assigned to the signals from inner and outer tubes. The dependence of the G''-mode intensity and frequency on the excitation laser energy was different for the inner and outer tubes. The changes in G''-mode caused by the applied electrochemical potential were discussed in detail. The red shifted component of the G''-mode exhibits delayed response to the electrochemical charging. Moreover, bleaching of the red shifted component was less symmetrical than that of the blue shifted component, if the applied electrode potential swept in anodic and cathodic directions. (en)
Title
  • Electrochemical Tuning of High Energy Photon Branches of Double Wall Carbon Nanotubes
  • Electrochemical Tuning of High Energy Photon Branches of Double Wall Carbon Nanotubes (en)
  • Elektrochemické ladění HEM fononů v Double wall carbon nanotubách (cs)
skos:prefLabel
  • Electrochemical Tuning of High Energy Photon Branches of Double Wall Carbon Nanotubes
  • Electrochemical Tuning of High Energy Photon Branches of Double Wall Carbon Nanotubes (en)
  • Elektrochemické ladění HEM fononů v Double wall carbon nanotubách (cs)
skos:notation
  • RIV/61388955:_____/04:00101123!RIV/2005/AV0/A54005/N
http://linked.open.../vavai/riv/strany
  • 2915;2920
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(IAA4040306), Z(AV0Z4040901)
http://linked.open...iv/cisloPeriodika
  • 14
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 562521
http://linked.open...ai/riv/idVysledku
  • RIV/61388955:_____/04:00101123
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • carbon nanotubes; Raman spectroscopy; electrochemical properties (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV
  • [80B65F28BFBF]
http://linked.open...i/riv/nazevZdroje
  • Carbon
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 42
http://linked.open...iv/tvurceVysledku
  • Dunsch, L.
  • Kalbáč, Martin
  • Kavan, Ladislav
  • Zukalová, Markéta
http://linked.open...n/vavai/riv/zamer
issn
  • 0008-6223
number of pages
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