The initial adsorption process of benzene in double-walled carbon nanotubes studied by in situ solid-state NMR

RSC Advances ◽  
2015 ◽  
Vol 5 (85) ◽  
pp. 69848-69853 ◽  
Author(s):  
Wanling Shen ◽  
Xin Li ◽  
Hongbo Zhang
Keyword(s):  
Carbon Nanotubes ◽  
Solid State ◽  
Adsorption Process ◽  
Initial Adsorption ◽  
Double Walled Carbon Nanotubes ◽  
Walled Carbon Nanotubes ◽  
First Time ◽  
Kinetics Of ◽  
C Nmr

Adsorption kinetics of benzene in double-walled carbon nanotubes at the very earliest stages were directly monitored for the first time by using in situ solid-state 13C NMR.

scholarly journals Charge transfer in steam purified arc discharge single walled carbon nanotubes filled with lutetium halides

2020 ◽  
Vol 22 (18) ◽  
pp. 10063-10075
Author(s):  
Ana Santidrián ◽  
Magdalena Kierkowicz ◽  
Elzbieta Pach ◽  
Denisa Darvasiová ◽  
Belén Ballesteros ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
Charge Transfer ◽  
Electronic Properties ◽  
Arc Discharge ◽  
Single Walled Carbon Nanotubes ◽  
Single Walled Carbon ◽  
Walled Carbon Nanotubes ◽  
First Time ◽  
Effect Of Doping

In the present work, the effect of doping on electronic properties in bulk purified and filled arc-discharge single-walled carbon nanotubes samples is studied for the first time by in situ Raman spectroelectrochemical method.

In Situ Raman Study on Single- and Double-Walled Carbon Nanotubes as a Function of Lithium Insertion

Small ◽  
2006 ◽  
Vol 2 (5) ◽  
pp. 667-676 ◽  
Author(s):  
Yoong Ahm Kim ◽  
Masahito Kojima ◽  
Hiroyuki Muramatsu ◽  
Souichiro Umemoto ◽  
Takaaki Watanabe ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
Lithium Insertion ◽  
In Situ Raman ◽  
Raman Study ◽  
Double Walled Carbon Nanotubes ◽  
Walled Carbon Nanotubes

Electrochemical Doping of Double-Walled Carbon Nanotubes: An In Situ Raman Spectroelectrochemical Study

ChemPhysChem ◽  
2004 ◽  
Vol 5 (2) ◽  
pp. 274-277 ◽  
Author(s):  
Ladislav Kavan ◽  
Martin Kalbáč ◽  
Markéta Zukalová ◽  
Matthias Krause ◽  
Lothar Dunsch
Keyword(s):  
Carbon Nanotubes ◽  
Electrochemical Doping ◽  
In Situ Raman ◽  
Double Walled Carbon Nanotubes ◽  
Walled Carbon Nanotubes

Effective Approximations for Natural Frequencies of Double-Walled Carbon Nanotubes Based on Donnell Shell Theory

2011 ◽  
Vol 2 (2) ◽  
Author(s):  
Demetris Pentaras ◽  
Isaac Elishakoff
Keyword(s):  
Carbon Nanotubes ◽  
Carbon Nanotube ◽  
Natural Frequency ◽  
Characteristic Equation ◽  
Shell Theory ◽  
Natural Frequencies ◽  
Analytical Formulas ◽  
Double Walled Carbon Nanotubes ◽  
Walled Carbon Nanotubes ◽  
First Time

The vibration behavior of double-walled carbon nanotube (DWCNT) is investigated based on Donnell shell theory with van der Waals interaction taken into consideration. In addition, new results are obtained for the natural frequencies of a DWCNT based on a simplified version of Donnell shell theory by neglecting the tangential inertia terms. The resulting reduced characteristic equation for the natural frequency represents the radial mode of vibration. The factor of neglecting tangential inertia relative to the values of frequencies obtained by full Donnell shell theory is also obtained with attendant interesting results. Further possible simplifications of Donnell shell theory are introduced. For the first time in the literature, the effect of neglect of tangential inertia terms in DWCNTs is investigated. Accurate approximate analytical formulas are uncovered for the fundamental natural frequencies and compared with the exact values.

SPECTROELECTROCHEMICAL RECOGNITION OF CHEMICAL DOPANTS IN THE INNER SPACE OF CARBON NANOSTRUCTURES

NANO ◽  
2006 ◽  
Vol 01 (03) ◽  
pp. 219-227 ◽  
Author(s):  
MARTIN KALBÁČ ◽  
LADISLAV KAVAN ◽  
MARKÉTA ZUKALOVÁ ◽  
LOTHAR DUNSCH
Keyword(s):  
Carbon Nanotubes ◽  
Carbon Nanostructures ◽  
Single Walled Carbon Nanotubes ◽  
The Other ◽  
Characteristic Response ◽  
In Situ Raman ◽  
Potassium Vapor ◽  
Double Walled Carbon Nanotubes ◽  
Walled Carbon Nanotubes

By in situ Raman spectroelectrochemistry the state of chemical dopants in the inner space of potassium vapor treated single-walled carbon nanotubes (SWCNT), double-walled carbon nanotubes (DWCNT) and C 60 fullerene peapods was followed. We show that the spectroelectrochemistry is a method of choice to locate the dopant within carbon nanostructures. The presence of potassium inside the carbon nanostructures was found to be associated with a characteristic response of the tangential (TG) mode of SWCNT to electrochemical doping after treatment of the sample with the water. Our study confirmed the presence of residual potassium in peapods even after treatment with water. On the other hand, potassium was not found in the interior of the water-treated DWCNT and SWCNT.

scholarly journals A tool box to ascertain the nature of doping and photoresponse in single-walled carbon nanotubes

2019 ◽  
Vol 21 (7) ◽  
pp. 4063-4071 ◽  
Author(s):  
Ana Santidrián ◽  
José M. González-Domínguez ◽  
Valentin Diez-Cabanes ◽  
Javier Hernández-Ferrer ◽  
Wolfgang K. Maser ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
Carbon Nanotube ◽  
Dft Calculations ◽  
Electronic Properties ◽  
Single Walled Carbon Nanotubes ◽  
Single Walled Carbon Nanotube ◽  
Single Walled Carbon ◽  
Walled Carbon Nanotubes ◽  
First Time

The effect of doping on the electronic properties in bulk single-walled carbon nanotube (SWCNT) samples is studied for the first time using a new in situ Raman spectroelectrochemical method, and further verified by DFT calculations and photoresponse.

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