نتایج جستجو برای: unzipped mwcnts

تعداد نتایج: 1976  

2017
Jing Wang Nuan Chen Seeram Ramakrishna Lingling Tian Xiumei Mo

Electrospun nanofibrous scaffolds which can mimic the architecture of the natural extracellular matrix (ECM) are potential candidates for peripheral nerve repair application. Multi-walled carbon nanotubes (MWCNTs) are used in peripheral nerve repair due to their ability to promote neurite extension and support neural network formation. In this study, surface-modified nanofibrous scaffolds compo...

2016
Makoto Ohnishi Masaaki Suzuki Masahiro Yamamoto Tatsuya Kasai Hirokazu Kano Hideki Senoh Ichiro Higashikubo Akihiro Araki Shoji Fukushima

BACKGROUND Previously, we have developed and reported the method of measuring multi-walled carbon nanotube (MWCNT) in the lung from rats exposed to MWCNT intratracheally. The present research was performed to improve the analytical method of MWCNT to measure multiple samples in a short period of time. For the xanalysis of MWCNTs from tissues, the existence of carbon black may interfere. Therefo...

2012
Shahid Majeed Volkan Filiz Sergey Shishatskiy Jan Wind Clarissa Abetz Volker Abetz

In this study we report the preparation of nanohybrid dispersant molecules based on pyrene and polyhedral oligomeric silsesquioxanes for non-covalent functionalization of multi-walled carbon nanotubes (MWCNTs). The prepared dispersant improves the dispersion of MWCNTs in organic solvents with very different polarities such as tetrahydrofuran, toluene, and n-hexane. The functionalized MWCNTs wer...

2016
Yanping Yuan Jimin Chen

In this study, a continuous fiber laser (1064 nm wavelength, 30 W/cm²) is used to irradiate multi-walled carbon nanotubes (MWCNTs) on different substrate surfaces. Effects of substrates on nano-welding of MWCNTs are investigated by scanning electron microscope (SEM). For MWCNTs on silica, after 3 s irradiation, nanoscale welding with good quality can be achieved due to breaking C-C bonds and fo...

2014
N. S Palani R. Ilangovan

Recent advancements in nanotechnology have proposed the Carbon nanotubes as electrode material for the Supercapacitor applications due to their unique properties. Synthesis of Carbon nanotube in Catalytic Chemical vapor deposition (CCVD) is the easiest and economic way of production in a larger scale. The synthesized MWCNTs were characterized by X – ray diffraction (XRD). The morphological char...

2009
Wang Ming-Wen Hsu Tze-Chi Zheng Jie-Ren

Studies have proved that increasing polymer matrices by carbon nanotubes to form structural reinforcement and electrical conductivity have significantly improved mechanical and electrical properties at very low carbon nanotubes loading. In other words, increasing polymer matrices by carbon nanotubes to form structural reinforcement can reduce friction coefficient and enhance anti-wear property....

2013
Mohammad Reza Saeb Ehsan Bakhshandeh Hossein Ali Khonakdar Edith Mäder Christina Scheffler Gert Heinrich

The current paper provides an overview to emphasize the role of functionalization of multiwalled carbon nanotubes (MWCNTs) in manipulating cure kinetics of epoxy nanocomposites, which itself determines ultimate properties of the resulting compound. In this regard, the most commonly used functionalization schemes, that is, carboxylation and amidation, are thoroughly surveyed to highlight the rol...

2006
Anthony J. Miller Ross A. Hatton Ravi P. Silva

A water-soluble acid oxidized multiwall carbon nanotube o-MWCNTs -polythiophene composite for bilayer photovoltaics is reported. Discrete heterojunction photovoltaic cells utilizing this nanocomposite material as the donor layer exhibit a 20% increase in fill factor and commensurate increase in power conversion efficiency as compared to cells without o-MWCNTs. Crucially o-MWCNTs are incorporate...

2009
D. Bégin G.s Ulrich J. Amadou D. S. Su C. Pham-Huu R. Ziessel

Multi-walled carbon nanotubes (MWCNTs) have been used in the oxidative dehydrogenation of 9,10-dihydroanthracene in an organic solvent (toluene) using molecular oxygen as the oxidant, and in the absence of trace amounts of metals. The process is very selective and almost no anthraquinone is formed. Thermal treatment of the MWCNTs at 2600 °C favors deoxygenation of the support and markedly impro...

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