Anchoring cobalt oxide nanoparticles on to the surface multiwalled carbon nanotubes for improved supercapacitive performances

RSC Advances ◽  
2015 ◽  
Vol 5 (60) ◽  
pp. 48426-48432 ◽  
Author(s):  
Babasaheb R. Sankapal ◽  
Hemant B. Gajare ◽  
Swapnil S. Karade ◽  
Deepak P. Dubal
Keyword(s):  
Carbon Nanotubes ◽  
Cobalt Oxide ◽  
Multiwalled Carbon Nanotubes ◽  
Oxide Nanoparticles ◽  
Multiwalled Carbon ◽  
Cobalt Oxide Nanoparticles ◽  
Sem And Tem

SEM and TEM images of Co3O4 nanodots anchored on to the surface of multiwalled carbon nanotubes.

scholarly journals Multiwalled Carbon Nanotubes Decorated with Cobalt Oxide Nanoparticles

2012 ◽  
Vol 2012 ◽  
pp. 1-5 ◽  
Author(s):  
D. G. Larrude ◽  
P. Ayala ◽  
M. E. H. Maia da Costa ◽  
F. L. Freire
Keyword(s):  
Carbon Nanotubes ◽  
Cobalt Oxide ◽  
Multiwalled Carbon Nanotubes ◽  
Cobalt Nitrate ◽  
Oxide Nanoparticles ◽  
Nitrate Hexahydrate ◽  
Multiwalled Carbon ◽  
Cobalt Oxide Nanoparticles ◽  
Electron Microscopy Analysis ◽  
Average Size

Multiwalled carbon nanotubes (MWCNTs) synthesized by spray pyrolysis were decorated with cobalt oxide nanoparticles using a simple synthesis route. This wet chemistry method yielded nanoparticles randomly anchored to the surface of the nanotubes by decomposition of cobalt nitrate hexahydrate diluted in acetone. Electron microscopy analysis indicated that dispersed particles were formed on the MWCNTs walls. The average size increased with the increasing concentration of cobalt nitrate in acetone in the precursor mixture. TEM images indicated that nanoparticles were strongly attached to the tube walls. The Raman spectroscopy results suggested that the MWCNT structure was slightly damaged after the nanoparticle growth.

Preparation and Infrared Emissivity Study of Optically Active Polyurethane/Multiwalled Carbon Nanotubes Nanocomposites

2012 ◽  
Vol 557-559 ◽  
pp. 362-365
Author(s):  
Jing Chen ◽  
Bing Xin Liu ◽  
Xiu Bi Chen ◽  
Li Xin Xue ◽  
Yu Ming Zhou
Keyword(s):  
Carbon Nanotubes ◽  
Multiwalled Carbon Nanotubes ◽  
High Intensity ◽  
Optically Active ◽  
Interface Effect ◽  
Infrared Emissivity ◽  
High Intensity Ultrasound ◽  
Multiwalled Carbon ◽  
Sem And Tem

This paper described the preparation of optically active polyurethanes (BPUs)/multiwalled carbon nanotubes (MWCNTs) composites through the high-intensity ultrasound. SEM and TEM observations showed the homogeneous coating of MWCNTs by BPU. The infrared emissivity (8-14μm) study revealed that the composites possessed much lower infrared values compared with those of the polyurethanes and nanotubes, due to the special interface effect. The lowest infrared emissivity values of nanocomposites were S-BPU/MWCNTs εmin=0.461 and R-BPU/MWCNTs εmin=0.418, respectively.

scholarly journals Highly sensitive detection of phosphate using well-ordered crystalline cobalt oxide nanoparticles supported by multi-walled carbon nanotubes

2022 ◽  
Author(s):  
Shaimah Rinda Sari ◽  
Masayuki Tsushida ◽  
Tetsuya Sato ◽  
Masato Tominaga
Keyword(s):  
Carbon Nanotubes ◽  
Surface Water ◽  
Cobalt Oxide ◽  
Oxide Nanoparticles ◽  
Water Contaminants ◽  
Cobalt Oxide Nanoparticles ◽  
Highly Sensitive ◽  
Multi Walled Carbon Nanotubes ◽  
Highly Sensitive Detection ◽  
Walled Carbon Nanotubes

Phosphates are well-known groundwater and surface water contaminants, with even modest increases in their concentration contributing to the eutrophication of lakes and coastal waterways and thus potentially harming the environment....

Preparation and physico-biochemical characterization of (Fe‚ Co‚ Ni) oxide nanoparticles-decorated PANI–MWCNTs as peroxidase mimetics

2017 ◽  
Vol 41 (23) ◽  
pp. 14049-14052 ◽  
Author(s):  
Navvabeh Salarizadeh ◽  
Minoo Sadri ◽  
Farhood Heydari ◽  
Seyyed Salman Seyyed Afghahi
Keyword(s):  
Carbon Nanotubes ◽  
Metal Oxide ◽  
Multiwalled Carbon Nanotubes ◽  
Biochemical Characterization ◽  
Metal Oxide Nanoparticles ◽  
Oxide Nanoparticles ◽  
Multiwalled Carbon ◽  
Magnetic Metal ◽  
Ni Oxide

A nanocomposite of multiwalled carbon nanotubes/polyaniline and magnetic metal oxide nanoparticles can be used to catalyze the oxidation of peroxidase substrates.

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