نتایج جستجو برای: double walled carbon nanotube

تعداد نتایج: 524344  

2010
Ülkü Anik Serdar Çevik Martin Pumera

The electroanalytic performances of glassy carbon paste electrode (GCPE), multi-walled carbon nanotube (MWCNT)-GCPE and double-walled carbon nanotube (DWCNT)-GCPE, which include HNO3 washed/unwashed materials, were compared by monitoring cyclic voltammograms of potassium ferricyanide and catechol. Electrodes were prepared by introducing proper amount of DWCNT and MWCNT into GCPE. First untreate...

حسامی پیله‌رود, سعید, مطهری‌نژاد, مهدی, مولاروی, طیبه,

In this work, the stability and electronic structure of zigzag double-walled silicon carbide nanotubes (DWSiCNTs) (6,0)@(n,0) (with n=11-17) were investigated by using ab initio Van der Waals density functional. By calculating the formation energy and the binding energy of each double walled nanotube, the best interwall distance for the outer nanotube was indicated. The results revealed that (1...

2005
Z. C. Tu

A new molecular motor is conceptually constructed from a doublewalled carbon nanotube (DWNT) consisting of a long inner singlewalled carbon nanotube (SWNT) and a short outer SWNT with different chirality. The interaction between inner and outer tubes is the sum of the Lennard-Jones potentials between carbon atoms in inner tube and those in outer one. Within the framework of SmoluchowskiFeynman ...

2014
Sung Hun Jin Jongmin Shin In-Tak Cho Sang Youn Han Dong Joon Lee Chi Hwan Lee Jong-Ho Lee John A. Rogers

Articles you may be interested in A simple drain current model for single-walled carbon nanotube network thin-film transistors Mobilities in ambipolar field effect transistors based on single-walled carbon nanotube network and formed on a gold nanoparticle template Appl. Strain on field effect transistors with single–walled–carbon nanotube network on flexible substrate Complementary voltage inv...

Journal: :international journal of nano dimension 0
z. abdi department of chemistry, shahr-e-qods branch, islamic azad university, tehran, iran s. sedaghat department of chemistry, shahr-e-qods branch, islamic azad university, tehran, iran

in this work the synthesis of polyaniline/chitosan/functionalized single- walled carbon nanotube nanocomposite is carried out. for this purpose single -walled carbon nanotubes were reacted with thionyl chloride to change the hydroxyl to acyl chloride groups for improving the react ability. in other step, aniline monomers and chitosan were polymerized in the presence of iron (iii) chloride to sy...

2016
Jian Ji Minfeng Liu Yue Meng Runqi Liu Yan Yan Jianyu Dong Zhaoze Guo Changsheng Ye

BACKGROUND The lymphatic system plays a significant role in the defense of a subject against breast cancer and is one of the major pathways for the metastasis of breast cancer. To improve the prognosis, many means, including surgery, radiotherapy, and chemotherapy, have been used. However, the combination of all these modalities has limited efficacy. Lymph nodes, therefore, have become an except...

Journal: :Science 2001
P G Collins M S Arnold P Avouris

Carbon nanotubes display either metallic or semiconducting properties. Both large, multiwalled nanotubes (MWNTs), with many concentric carbon shells, and bundles or "ropes" of aligned single-walled nanotubes (SWNTs), are complex composite conductors that incorporate many weakly coupled nanotubes that each have a different electronic structure. Here we demonstrate a simple and reliable method fo...

The fractal degree of adsorption on the multi-walled carbon nanotube has been investigated. The fractal-like Langmuir kinetics model has been used to obtain the fractal degree of ion adsorption on multi-walled carbon nanotube. The behavior of the fractal-like kinetics equation was compared with some famous rate equations like Langmuir, pseudo-first-order and pseudo-second-order equations. It is...

2000
K. TSUKAGOSHI B. W. ALPHENAAR

We present transport measurements of ferromagnetically contacted carbon nanotubes. In both singleand multi-walled nanotube devices, a spin valve effect is observed due to spin-polarized transport. In one single-walled nanotube device, the spin-valve effect is suppressed as the influence of Coulomb charging is observed at around 10 K. To help understand the interplay between the Coulomb charging...

1998
Stanislaus S. Wong Adam T. Woolley Teri Wang Odom Jin-Lin Huang Philip Kim Dimitri V. Vezenov Charles M. Lieber

Single-walled carbon nanotube ~SWNT! tips have been used to image nanostructures with high resolution. Studies of gold nanocrystal standards showed that SWNT tips provide a significant improvement in lateral resolution with respect to multi-walled nanotube tips and microfabricated Si tips. The nanotube tips were also used to resolve substructure within SWNTs deposited on surfaces. These results...

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