نتایج جستجو برای: wall carbon nanotube (swcnt)‎‎

تعداد نتایج: 447809  

Journal: :international journal of nanoscience and nanotechnology 2011
n. farhadian

in this work, a molecular dynamics simulation of the transport of water - methanol mixture through the single wall carbon nanotube (swcnt) is reported. methanol and water are selected as fluid molecules since water represents a strongly polar molecule while methanol is as an intermediate between polar and strongly polar molecules. some physical properties of the methanol-water mixture such as r...

2009
Haiqing Li Chang-Sik Ha Il Kim

Based on plasma-treated single wall carbon nanotubes (SWCNTs), SWCNT/SiO(2) and thiol groups-functionalized SWCNT/SiO(2) hybrids have been fabricated through a sol-gel process. By means of thiol groups, Ag nanoparticles have been in situ synthesized and bonded onto the SiO(2) shell of SWCNT/SiO(2) in the absence of external reducing agent, resulting in the stable carbon nanotube/SiO(2)/Ag nanop...

Journal: :international journal of nanoscience and nanotechnology 2009
m. shariaty-niassar

the overall aim of this study is to calculate some water properties in the single wall carbon naotubes (swcnt) and compare them to the bulk water properties to investigate the deviation of water properties inside the swcnt from those in the bulk. here some physical and transport properties of water molecules in the single wall carbon nanotube were reported by performing molecular dynamics (md) ...

N. Farhadian

In this work, a molecular dynamics simulation of the transport of water - methanol mixture through the single wall carbon nanotube (SWCNT) is reported. Methanol and water are selected as fluid molecules since water represents a strongly polar molecule while methanol is as an intermediate between polar and strongly polar molecules. Some physical properties of the methanol-water mixture such as r...

Journal: :iranian journal of pharmaceutical research 0
saeed irannejad department of physics, university of zanjan, zanjan, iran mohsen amini department of medicinal chemistry, faculty of pharmacy and drug design & development research center, tehran university of medical sciences, tehran, iran mona modanlookordi pharmaceutical sciences research center, mazandaran university of medical sciences, sari, iran mohammad shokrzadeh department of pharmacology & toxocology, pharmaceutical sciences research center, faculty of pharmacy, mazandaran university of medical sciences, sari, iran hamid irannejad department of medicinal chemistry, pharmaceutical sciences research center, faculty of pharmacy, mazandaran university of medical sciences, sari, iran

carbon nanotubes have unique properties like high stability, high surface to mass ratio and so on which make them suitable for medicinal purpose applications. treatment of cancer by organoplatinum agents like cisplatin has become unresponsive in most cases due to low distribution of drug in biological fluids, inability of drug to cross cellular membranes and low stability in biological environm...

Journal: :physical chemistry research 2014
mohsen oftadeh marzieh gholamian hassan hadi abdallah

density-functional theory is used to investigate sulfur dioxide physisorption inside and outside of single-wall carbon nanotube of (5,0) and (5,5). this study is conducted at b3lyp/6-31g* level of theory. sulfur dioxide molecule is studied with axis oriented parallel or perpendicular to the nanotube wall. both internal and external adsorption on nanotubes is increased with the angle of interact...

2012
Saeed H. Nasiri Rahim Faez Bita Davoodi Maryam Farrokhi

Bode stability analysis based on transmission line modeling (TLM) for single wall carbon nanotube (SWCNT) interconnects used in 3D-VLSI circuits is investigated for the first time. In this analysis, the dependence of the degree of relative stability for SWCNT interconnects on the geometry of each tube has been acquired. It is shown that, increasing the length and diameter of each tube, SWCNT in...

2011
P. A. Gowri Sankar

Over the recent years, numerical modelling and computer based simulation of the properties of carbon nanotubes have become the focal points of research in computational nano-science. In this paper, we present the computational studies about the mechanical and transport properties of armchair (4, 4) and zigzag (4, 0) single walled carbon nanotubes (SWCNT). Unlike other materials, carbon nanotube...

Journal: :Nano letters 2005
Choongho Yu Li Shi Zhen Yao Deyu Li Arunava Majumdar

We have observed experimentally that the thermal conductance of a 2.76-microm-long individual suspended single-wall carbon nanotube (SWCNT) was very close to the calculated ballistic thermal conductance of a 1-nm-diameter SWCNT without showing signatures of phonon-phonon Umklapp scattering for temperatures between 110 and 300 K. Although the observed thermopower of the SWCNT can be attributed t...

2007
R C Batra A Sears

Carbon nanotubes have very high potential for applications in nanoelectromechanical devices, nano-optomechanical systems and nanocomposites. However, their full exploitation depends upon knowledge of their mechanical, electrical and thermal properties. Several analytical, experimental, molecular mechanics (MM) and molecular dynamics simulations have been performed to study their deformations un...

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