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[PDF] Top 20 Investigation of doping and photoexcitation in carbon nanotubes using Raman spectroscopy

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Investigation of doping and photoexcitation in carbon nanotubes using Raman spectroscopy

Investigation of doping and photoexcitation in carbon nanotubes using Raman spectroscopy

... objectives of this thesis are to investigate the doping and photoexcitation of carbon nanotubes by Raman spectroscopy as well as to characterize the ... Voir le document complet

154

Charge transfer between carbon nanotubes and sulfuric acid as determined by Raman spectroscopy

Charge transfer between carbon nanotubes and sulfuric acid as determined by Raman spectroscopy

... indicator of the hole charge transfer per carbon atom f C ...value of 320 f C (cm −1 ) for the Raman shift for the electrochemically doped single-wall CNTs (SW) using sulfuric acid ... Voir le document complet

8

Charge transfer between carbon nanotubes and sulfuric acid as determined by Raman spectroscopy

Charge transfer between carbon nanotubes and sulfuric acid as determined by Raman spectroscopy

... dispersion of CNTs in strong acids and the formation of a nematic phase has been used to fabricate fibers with aligned ...2 Raman spectroscopy is an effective and non- ... Voir le document complet

7

Optical Absorption and Raman Spectroscopy Study of the Fluorinated Double-Wall Carbon Nanotubes

Optical Absorption and Raman Spectroscopy Study of the Fluorinated Double-Wall Carbon Nanotubes

... bromine- and iodine-doped DWNTs using Raman spectroscopy has demon- strated charge transfer from the adsorbed halogen ions onto the outer tube shells (1, ...to carbon nanotube surface ... Voir le document complet

7

Raman spectroscopy of iodine-doped double-walled carbon nanotubes

Raman spectroscopy of iodine-doped double-walled carbon nanotubes

... 3 and I − 5 . These strong modes overlap with the RBM response of the outer tubes in ...intensity of these RBM modes in pristine samples (Figure 3 and 4, top-left), it seems ... Voir le document complet

16

Type- and species-selective air etching of single-walled carbon nanotubes tracked with in situ Raman spectroscopy

Type- and species-selective air etching of single-walled carbon nanotubes tracked with in situ Raman spectroscopy

... loss in G broadness is consistent with the RBM region loss of peaks e and f if they are metallic peaks, as ...loss in lower frequency G peaks is also consistent with the initial loss of ... Voir le document complet

16

Raman Spectra of Double-Wall Carbon Nanotubes under Extreme Uniaxial Stress

Raman Spectra of Double-Wall Carbon Nanotubes under Extreme Uniaxial Stress

... application of uniaxial pressures of the order of 1 GPa leads to an isotropic orientation of CNTs bundles within a plane perpendicular to the compression ...Kumar and Cronin 16 ... Voir le document complet

5

Mössbauer Spectroscopy Involved in the Study of the Catalytic Growth of Carbon Nanotubes

Mössbauer Spectroscopy Involved in the Study of the Catalytic Growth of Carbon Nanotubes

... storage of hydrogen, particularly for the development of fuel cells, is an important challenge which has been recently focused on the use of ...capabilities in SWNTs was published in ... Voir le document complet

10

Mössbauer Spectroscopy Involved in the Study of the Catalytic Growth of Carbon Nanotubes

Mössbauer Spectroscopy Involved in the Study of the Catalytic Growth of Carbon Nanotubes

... storage of hydrogen, particularly for the development of fuel cells, is an important challenge which has been recently focused on the use of ...capabilities in SWNTs was published in ... Voir le document complet

9

Applications of Raman spectroscopy.

Applications of Raman spectroscopy.

... The failure of the slopes of these lines to correlate directly with the proton-accepting powers of the carbonyl group, shows that the use of relative carbonyl shifts cannot safely b[r] ... Voir le document complet

56

Analysis of boundary lubricant films using Raman spectroscopy

Analysis of boundary lubricant films using Raman spectroscopy

... Polarized Raman can then be done at the contact point, to see how much the orientation of the lubricant molecules changes due to pressure and shear. Finally, micr[r] ... Voir le document complet

84

Macro- and Micro-Investigation of Aterial Tissue by Optical Coherence Tomography and Raman Spectroscopy

Macro- and Micro-Investigation of Aterial Tissue by Optical Coherence Tomography and Raman Spectroscopy

... FACSS 2006 abstract – invited talk at Raman imaging session Macro- and micro-investigation of arterial tissue by optical coherence tomography and Raman spectroscopy. ... Voir le document complet

2

Charged iodide in chains behind the highly efficient iodine doping in carbon nanotubes

Charged iodide in chains behind the highly efficient iodine doping in carbon nanotubes

... measurements of iodine-doped fibers, we used a home-built nitrogen-purged transport mea- surement ...fiber and gold wires, which were connected to the connection pins of a cryostat sample ...kept ... Voir le document complet

9

Raman bands of double-wall carbon nanotubes: comparison with single- and triple-wall carbon nanotubes, and influence of annealing and electron irradiation

Raman bands of double-wall carbon nanotubes: comparison with single- and triple-wall carbon nanotubes, and influence of annealing and electron irradiation

... presence of individual and small bundles of DWCNTs with radii ranging from ...changes in the catalyst composition (replacing Mo by W) lead to a sample with 50% tripled- wall CNT (TWCNT), 35% ... Voir le document complet

8

Charged iodide in chains behind the highly efficient iodine doping in carbon nanotubes

Charged iodide in chains behind the highly efficient iodine doping in carbon nanotubes

... measurements of iodine-doped fibers, we used a home-built nitrogen-purged transport mea- surement ...fiber and gold wires, which were connected to the connection pins of a cryostat sample ...kept ... Voir le document complet

8

Elimination of D-band in Raman spectra of double-wall carbon nanotubes by oxidation

Elimination of D-band in Raman spectra of double-wall carbon nanotubes by oxidation

... ture and composition. The goal of the work was to select the oxidation conditions leadiig to the removal of amorphous carbon by rnonitosing the intensity of the D b[r] ... Voir le document complet

6

Delivery of drugs and biomolecules using carbon nanotubes

Delivery of drugs and biomolecules using carbon nanotubes

... cytotoxicity of CNTs The in vitro and in vivo cytotoxicity studies of CNTs mainly concentrate on the effect of metal catalyst impurities, length and type of CNTs, ... Voir le document complet

22

Specific surface area of carbon nanotubes and bundles of carbon nanotubes

Specific surface area of carbon nanotubes and bundles of carbon nanotubes

... A. Carbon nanotubes; ...(TEM) and high-resolution electron microscopy Carbon nanotubes (hereafter denoted as CNTs) have (HREM) observations are used for the characterization unique ... Voir le document complet

10

Specific surface area of carbon nanotubes and bundles of carbon nanotubes

Specific surface area of carbon nanotubes and bundles of carbon nanotubes

... A. Carbon nanotubes; ...(TEM) and high-resolution electron microscopy Carbon nanotubes (hereafter denoted as CNTs) have (HREM) observations are used for the characterization unique ... Voir le document complet

9

Micro-Raman scattering of selenium-filled double-walled carbon
nanotubes: Temperature study

Micro-Raman scattering of selenium-filled double-walled carbon nanotubes: Temperature study

... double-walled carbon nanotubes 共Se@DWNT兲 have been studied by high resolution transmission electron microscopy 共HRTEM兲 and micro-Raman spectroscopy in the temperature interval ... Voir le document complet

6

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