نتایج جستجو برای: single walled carbon nano tubes

تعداد نتایج: 1201903  

2010
Claudia Backes Andreas Hirsch

Within the past decades extensive research has shed light into the structure, reactivity and properties of carbon nanotubes (CNTs) [1–3]. This new carbon allotrope is theoretically constructed by rolling up a graphene sheet into a cylinder with the hexagonal rings joining seamlessly. Commonly, carbon nanotubes are classified into single-walled carbon nanotubes (SWCNTs) which consist of one cyli...

اکبری‌آدرگانی, بهروز, تقوی, محمود, ززولی, محمد علی, یزدانی چراتی, جمشید, یوسفی, ذبیح ا... ,

Background and purpose: Cadmium is a very toxic metal that have adverse effects on human health and aquatic environments even at low concentrations, therefore, efforts should be made to eliminate this metal from aquatic ecosystem. The aim of this study was to investigate the efficacy of L-cysteine functionalized single-walled carbon nanotubes in removing cadmium from aqueous environments. This ...

Journal: :organic chemistry research 0
leila mahdavian doroud branch, islamic azad university, p.o. box: 133. doroud. iran

polycyclic aromatic hydrocarbons (such as, anthracene, benzo[a]pyrene and so on) are non-polar, hydrophobic compounds, which are not ionized. they are only slightly soluble in water. they are very dangerous compounds in the environment. the single-walled carbon nanotube (swnt) is used for removal and conversion of anthracene to low-risk products. in this study, electron transfer between anthrac...

2012
Michael A. Cullinan Martin L. Culpepper

Related Articles Improving the field emission of carbon nanotubes by lanthanum-hexaboride nano-particles decoration Appl. Phys. Lett. 101, 123116 (2012) Catalyst-free synthesis of reduced graphene oxide–carbon nanotube hybrid materials by acetylene-assisted annealing graphene oxide Appl. Phys. Lett. 101, 123107 (2012) First-principles study of O-BN: A sp3-bonding boron nitride allotrope J. Appl...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2006
Jaeil Bai Jun Wang X C Zeng

We report six phases of high-density nano-ice predicted to form within carbon nanotubes (CNTs) at high pressure. High-density nano-ice self-assembled within smaller-diameter CNT (17,0) exhibits a double-walled helical structure where the outer wall consists of four double-stranded helixes, which resemble a DNA double helix, and the inner wall is a quadruple-stranded helix. Four other double-wal...

Journal: :Science 2001
M Ouyang J L Huang C L Cheung C M Lieber

Metallic single-walled carbon nanotubes have been proposed to be good one-dimensional conductors. However, the finite curvature of the graphene sheet that forms the nanotubes and the broken symmetry due to the local environment may modify their electronic properties. We used low-temperature atomically resolved scanning tunneling microscopy to investigate zigzag and armchair nanotubes, both thou...

2015
Su Jeong Lee Tae Il Lee Jung Han Kim Chul - Hong Kim Jae - Min Myoung

The contact resistance between source/drain electrodes and semiconductor layer is an important parameter affecting electron transporting performance in the thin film transistor (TFT). In this work, we introduced a transparent and the solution prossable single-walled carbon nanotube (SWCNT)/Al-doped ZnO nano particle (AZO NP) bilayer electrodes showing low contact resistance with indium-oxide (I...

2018
Diana S. Raie Eisha Mhatre Doaa S. El-Desouki Ahmed Labena Gamal El-Ghannam Laila A. Farahat Tareq Youssef Wolfgang Fritzsche Ákos T. Kovács

The present work was targeted to design a surface against cell seeding and adhering of bacteria, Bacillus subtilis. A multi-walled carbon nanotube/titanium dioxide nano-power was produced via simple mixing of carbon nanotube and titanium dioxide nanoparticles during the sol-gel process followed by heat treatment. Successfully, quercetin was immobilized on the nanocomposite via physical adsorpti...

Journal: :Nano letters 2007
Roie Yerushalmi Johnny C Ho Zachery A Jacobson Ali Javey

A generic approach for deploying various types of synthetic nanomaterials, including single-walled carbon nanotubes and nanoparticles, at well-defined locations on substrates is presented. The assembly is achieved through the complementary design of the stationary and carrier phases and utilizes the dewetting process during which polymer-encapsulated nanomaterials are delivered and positioned o...

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