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| Description
| - Raman spectroscopy and in situ Raman spectroelectrochemistry were applied to study the selective etching of thin tubes by lithium vapor in doped single-walled carbon nanotubes (SWCNTs). A strong doping of SWCNTs after the reaction with Li vapor was confirmed by the vanishing of the radial breathing mode (RBM) and by a strong attenuation of the tangential displacement (TG) band in the Raman spectra. The Raman spectra of the Li-vapor-treated SWCNTs after subsequent reaction with water showed changes in the diameter distribution compared with that of a pristine sample (nanotubes with diameters of <1 nm disappeared from the Raman spectra). The samples were tested by the Raman pattern with five different laser lines, and a removal of narrower tubes was confirmed. The remaining wider tubes were not significantly damaged by the treatment with Li, as indicated by the D line in the Raman spectra.
- Raman spectroscopy and in situ Raman spectroelectrochemistry were applied to study the selective etching of thin tubes by lithium vapor in doped single-walled carbon nanotubes (SWCNTs). A strong doping of SWCNTs after the reaction with Li vapor was confirmed by the vanishing of the radial breathing mode (RBM) and by a strong attenuation of the tangential displacement (TG) band in the Raman spectra. The Raman spectra of the Li-vapor-treated SWCNTs after subsequent reaction with water showed changes in the diameter distribution compared with that of a pristine sample (nanotubes with diameters of <1 nm disappeared from the Raman spectra). The samples were tested by the Raman pattern with five different laser lines, and a removal of narrower tubes was confirmed. The remaining wider tubes were not significantly damaged by the treatment with Li, as indicated by the D line in the Raman spectra. (en)
- Jednostěnné uhlíkové nanotuby (SWCNTs) dopované parou lithia byly studovány pomocí Ramanské spektroskopie a in situ Ramanské spektroelektrochemie. Silné dopování SWCNTs po reakci s Li parou bylo potvrzeno vymizením radiálního dýchacího modu (RBM) a velkým snížením intensity tangenciálního modu (TG) v Ramanském spektru SWCNTs. Ramanská spektra SWCNTs po reakci s Li parou a následném promytí vodou detekovala změnu v distribuci poloměrů SWCNTs ve srovnání s původním vzorkem. (Signál nanotub s poloměrem menším než 1 nm zmizel z Ramanských spekter.) Vzorky byly měřeny pomocí pěti různých excitačních liní laseru a odstranění tenkých tub bylo potvrzeno. Na základě signálu D linie v Ramanském spektru bylo zjištěno že nedochází k žádnému zásadnějšímu poškození širších tub. Tenké tuby zreagovaly na karbid lithia a nikoli na amorfní uhlík. Karbid lithia pak bylo možné snadno odstranit jeho hydrolízou. Vzorky po reakci s Li parou byly dále nabíjeny pomocí elektrochemického dopování. (cs)
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| Title
| - Selective Etching of Thin Single-Walled Carbon Nanotubes
- Selektivní odstranění tenkých jednostěných uhlíkových nanotub (cs)
- Selective Etching of Thin Single-Walled Carbon Nanotubes (en)
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| skos:prefLabel
| - Selective Etching of Thin Single-Walled Carbon Nanotubes
- Selektivní odstranění tenkých jednostěných uhlíkových nanotub (cs)
- Selective Etching of Thin Single-Walled Carbon Nanotubes (en)
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| skos:notation
| - RIV/61388955:_____/09:00322934!RIV09-AV0-61388955
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| http://linked.open...avai/riv/aktivita
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| http://linked.open...avai/riv/aktivity
| - P(GC203/07/J067), P(IAA400400804), P(IAA400400911), Z(AV0Z40400503)
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| http://linked.open...iv/cisloPeriodika
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| http://linked.open...vai/riv/dodaniDat
| |
| http://linked.open...aciTvurceVysledku
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| http://linked.open.../riv/druhVysledku
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| http://linked.open...iv/duvernostUdaju
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| http://linked.open...titaPredkladatele
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| http://linked.open...dnocenehoVysledku
| |
| http://linked.open...ai/riv/idVysledku
| - RIV/61388955:_____/09:00322934
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| http://linked.open...riv/jazykVysledku
| |
| http://linked.open.../riv/klicovaSlova
| - carbon nanotubes; Raman spectroelectrochemistry; Raman spectroscopy (en)
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| http://linked.open.../riv/klicoveSlovo
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| http://linked.open...odStatuVydavatele
| - US - Spojené státy americké
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| http://linked.open...ontrolniKodProRIV
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| http://linked.open...i/riv/nazevZdroje
| - Journal of the American Chemical Society
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| 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
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| http://linked.open...v/svazekPeriodika
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| http://linked.open...iv/tvurceVysledku
| - Dunsch, L.
- Kalbáč, Martin
- Kavan, Ladislav
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| http://linked.open...n/vavai/riv/zamer
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| issn
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| number of pages
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