نتایج جستجو برای: carbon nanotube probe

تعداد نتایج: 374673  

Journal: :Physical chemistry chemical physics : PCCP 2009
Samuel Sánchez Esteve Fàbregas Martin Pumera

Electrochemical activation of carbon nanotube/polysulfone composite electrodes for enhanced heterogeneous electron transfer is studied. The physicochemical insight into the electrochemical activation of carbon nanotube/polymer composites was provided by transmission electron microscopy, Raman spectroscopy, electrochemical impedance spectroscopy, and cyclic voltammetry. Dopamine, ascorbic acid, ...

2008
Chih-Chieh Hsu Alice C. Parker Jonathan Joshi Bradley Armstrong

The design of a cortical neuron with carbon nanotube circuit elements that performs nonlinear dendritic computations is presented. The circuit design incorporates CNFETs, and was simulated using carbon nanotube spice models.

Journal: :international journal of nano dimension 0
a. pourasghar young researchers and elite club, islamic azad university, central tehran branch, tehran, iran. s. kamarian young researchers and elite club, islamic azad university, kermanshah branch, kermanshah, iran.

effective elastic properties for carbon nanotube reinforced composites are obtained through a variety of micromechanics techniques. an embedded carbon nanotube  in  a  polymer  matrix  and  its surrounding  interphase  is  replaced with an equivalent fiber for  predicting  the  mechanical  properties of  the  carbon  nanotube/polymer composite. the effects of an interphase layer between the nan...

Journal: :international journal of nano dimension 0
a. a. shokri department of physics, payame noor university (pnu), 19395-3697, tehran, iran. z. karimi department of physics, islamic azad university north tehran branch, tehran, iran.

by employing the theoretical method based on tight-binding, we study electronic band structure of single-wall carbon nanotube (cnt) superlattices, which the system is the made of the junction between the zigzag and armchair carbon nanotubes. exactly at the place of connection, it is appeared the pentagon–heptagon pairs as topological defect in carbon hexagonal network. the calculations are base...

2012
Rama Lakshmi P. Rama Lakshmi P.Ravinder Reddy

The present study concerns experimental and fin ite element analysis of carbon epoxy and carbon epoxy carbon nanotube composites to estimate interlaminar shear strength. Mechanical properties such as elastic ratios, thickness are varied for double notched specimen and the corresponding deflections and interlaminar shear strengths are estimated by ANSYS. From simple ru le of mixtures, equivalent...

2017
Bin Zhang Yong Xue Li Qiang Kaixong Gao Qiao Liu Baoping Yang Aiming Liang Junyan Zhang

Friction properties of carbon nanotubes have been widely studied and reported, however, the friction properties of carbon nanotubes related on state of itself. It is showing superlubricity under nanoscale, but indicates high shear adhesion as aligned carbon nanotube film. However, friction properties under high load (which is commonly in industry) of carbon nanotube films are seldom reported. I...

قاسمی, احمدرضا, محمدی, محمد,

In this study, Circular Disk Model (CDM) has been developed to determine the residual stresses in twophase and three- phase unit cell. The two-phase unit cell is consisting of carbon fiber and matrix. The three-phase unit cell is consisting of carbon fiber, carbon nanotubes and matrix in which the carbon fiber is reinforced with the carbon nanotube using electrophoresis method. For different vo...

Journal: Journal of Nanoanalysis 2016
Giang Li Lnfeng Hu

Carbon nanotube-In2O3 nanocomposites were synthesized by sol-gel method with the help of ultrasonic radiation. The samples were characterized by X-ray diffractometer, transmission electron microscopy and energy dispersive spectrometer. The UV absorbing properties were detected by the UV spectrophotometer. Photo degradation of methylene blue in aqueous solution was investigated by using CNT/In2O...

Journal: :international journal of nano dimension 0
f. moradi garakani aerospace research institute, tehran, iran. r. kalantarinejad aerospace research institute, tehran, iran.

in this work the conduction of ion-water solution through two discrete bundles of armchair carbon and silicon carbide nanotubes, as useful membranes for water desalination, is studied. in order that studies on different types of nanotubes be comparable, the chiral vectors of c and si-c nanotubes are selected as (7,7) and (5,5), respectively, so that    a similar volume of fluid is investigated ...

2015
Christopher A. Bower Kristin H. Gilchrist Jeffrey R. Piascik Brian R. Stoner Srividya Natarajan Charles B. Parker Scott D. Wolter Jeffrey T. Glass

Articles you may be interested in Fabrication and characterization of single carbon nanotube emitters as point electron sources Appl. Source brightness and useful beam current of carbon nanotubes and other very small emitters Carbon nanotubes synthesized by biased thermal chemical vapor deposition as an electron source in an x-ray tube Appl. On-chip vacuum microtriode using carbon nanotube fiel...

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