نتایج جستجو برای: multi walled carbon nanotubes

تعداد نتایج: 746887  

Journal: :Chemical communications 2009
Dong Yang Feng Yang Jianhua Hu Jiang Long Changchun Wang Deliang Fu Quanxing Ni

Hydrophilic multi-walled carbon nanotubes decorated with magnetite nanoparticles were readily taken up into lymph vessels and delivered gemcitabine to lymph nodes with high efficiency under the guidance of a magnetic field.

Journal: :Chemical communications 2012
Guangxu Chen Yueming Tan Binghui Wu Gang Fu Nanfeng Zheng

A new strategy for synthesis of Pt nanocubes on various supports by reduction of a Pt precursor under a CO atmosphere was described. The as-prepared Pt nanocubes supported on multi-walled carbon nanotubes exhibited high activity toward methanol electrooxidation.

Journal: :Chemical communications 2014
Jie Yang Guocan Yu Danyu Xia Feihe Huang

A UV-responsive supra-amphiphile based on a water-soluble pillar[6]arene was constructed. Its self-assembly and application in dispersion of multi-walled carbon nanotubes in water were studied.

Journal: :Chemical communications 2012
Youn Soo Kim Areum Cha Ju Yeon Shin Hyun Ji Jeon Jun Ho Shim Chongmok Lee Sang-gi Lee

Gold nanoparticles (AuNPs) were assembled with high density onto multi-walled carbon nanotubes, which were functionalized with zwitterionic poly(imidazoliumsulfonate). The AuNP/zwitterionic CNT hybrids exhibited decent electrocatalytic activity in oxygen reduction reaction as the AuNP-based catalysts.

2016
Ivan Karbovnyk Igor Olenych Olena Aksimentyeva Halyna Klym Orest Dzendzelyuk Yuri Olenych Oksana Hrushetska

Systematic evaluation of the influence of radiation on the electrical response of hybrid nanocomposites obtained by adding multi-walled carbon nanotubes into poly(3,4-ethylenedioxythiophene) and poly(styrenesulfonate) host matrix is presented. Variations of resistance and conductivity of nanocomposites depending on the volume fraction of nanotubes in the matrix, ionizing radiation dosage, and t...

2017
Alain Peigney Christophe Laurent Emmanuel Flahaut Revathi Bacsa Abel Rousset A. Peigney Laurent E. Flahaut R. R. Bacsa A. Rousset

The theoretical external specific surface area of singleand multi-walled carbon nanotubes and of carbon nanotube bundles is calculated as a function of their characteristics (diameter, number of walls, number of nanotubes in a bundle). The results are reported in diagrams and tables useful to correlate the microscopic characteristics and the specific surface area of samples. The calculated valu...

2014
Deok Yeon Lee Chan Yong Shin Seog Joon Yoon Haw Young Lee Wonjoo Lee Nabeen K. Shrestha Joong Kee Lee Sung-Hwan Han

In the present work, TiO2 nanoparticle and multi-walled carbon nanotubes composite powder is prepared hydrothermally. After doctor blading the paste from composite powder, the resulted composite film is sensitized with Cu-based metal-organic frameworks using a layer-by-layer deposition technique and the film is characterized using FE-SEM, EDX, XRD, UV/Visible spectrophotometry and photoluminesc...

2014
J. Álvarez Méndez C. Gutiérrez Lovera J. Barciela García R. M. Peña Crecente S. García Martín C. Herrero Latorre

New materials have significant impact on development of new methods and instrumentation for chemical analysis. From the discovery of carbon nanotubes in 1991, single and multi-walled carbon nanotubes (SWCNTs and MWCNTs) -due to their high adsorption and desorption capacitieshave been employed as sorption substrates in solid-phase extraction for the preconcentration of heavy metals from diverse ...

Journal: :Chemical communications 2008
Md Abdul Aziz Haesik Yang

We present a facile micropatterning method that is based on the electrochemically induced deposition of carboxylated multi-walled carbon nanotubes on an indium tin oxide electrode without using surfactants or polymers.

D. Chobfrosh khoei H. Tahermansouri, M. Meskinfam

In this paper, the chemical functionalization of carboxylated multi-walled carbon nanotubes (MWNT-COOH) by 1,2-phenylenediamine, have been investigated. MWNT-benzimidazole is obtained through MWNT-Amide reaction with POCl3 after 72h, which is confirmed by FT-IR, SEM, TGA, and elemental analysis. These functionalizations have been chosen due to –NH2 and NHCO active sites in MWNT-Amide for future...

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