نتایج جستجو برای: wall carbon nanotube
تعداد نتایج: 447619 فیلتر نتایج به سال:
The investigation of the anticancer drugs will be important because of the proliferation ofcancer. We want to take steps to improve public health. The combination of two carbon nanotubes (singlewall nanotube and multi-wall nanotube) and Sup90-Dota (an anticancer drug) was investigated basedon Molecular Mechanic and Semi-Empirical methods. Our goal is to investigate the transfe...
Internal functionalization of single-walled nanotubes is an attractive, yet difficult challenge in nanotube materials chemistry. Here we report single-walled metal oxide nanotubes with covalently bonded primary amine moieties on their inner wall, synthesized through a one-step approach. Conclusive molecular-level structural information on the amine-functionalized nanotubes is obtained through m...
Shearing of poly(vinyl alcohol) (PVA)/single wall carbon nanotube (SWNT) dispersions result in the formation of self-assembled oriented PVA/SWNT fibers or ribbons, while PVA solution results in the formation of unoriented fibers. Diameter/width and length of these self-assembled fibers was 5–45 mm and 0.5–3 mm, respectively. High-resolution transmission electron micrographs showed well resolved...
Molybdenum rhenium alloy thin films can exhibit superconductivity up to critical temperatures of T(c)=15K. At the same time, the films are highly stable in the high-temperature methane/hydrogen atmosphere typically required to grow single wall carbon nanotubes. We characterize molybdenum rhenium alloy films deposited via simultaneous sputtering from two sources, with respect to their compositio...
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...
9 10 In this work we investigated the molecular dynamics of palmitoyl-oleoyl-phosphatidylcholine 11 and palmitoyl-oleoyl-phosphatidylethanolamine membrane bilayers enforced by single-wall 12 carbon nanotube using classical molecular dynamics simulation. We have considered that an 13 insertion of a single-wall carbon nanotube in the center of lipid membrane “strengthens” ambient 14 lipids and pr...
Recent investigations of superconductivity in carbon nanotubes have shown that a single-wall zigzag nanotube can become superconducting at around 15 K. Theoretical studies of superconductivity in nanotubes using the traditional phonon exchange model, however, give a superconducting transition temperature T c less than 1K. To explain the observed higher critical temperature we explore the possib...
The electro-optic and dielectric properties of ferroelectric liquid crystal-multi-wall carbon nanotube dispersions were investigated with respect to temperature and nanotube concentration. The main physical properties, such as tilt angle, spontaneous polarization, response time, viscosity, and Goldstone-mode relaxation strength and frequency were studied. While all dispersions exhibit the expec...
By combining ab initio all-electron localized orbital and pseudopotential plane-wave approaches we report on calculations of the electron affinity (EA) and the ionization potential (IP) of (5, 5) and (7, 0) single-wall carbon nanotubes. The role played by finite-size effects and nanotube termination has been analysed by comparing several hydrogen-passivated and not passivated nanotube segments....
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