A 20–40 SECOND PROCESS FOR SYNTHESIS OF MULTI-WALLED CARBON NANOTUBES

NANO ◽  
2006 ◽  
Vol 01 (02) ◽  
pp. 181-184 ◽  
Author(s):  
YUAN-YAO LI ◽  
TING-CHI LIU ◽  
CHIH-CHE HSIEH ◽  
MASAKI SAGEHASHI ◽  
AKIYOSHI SAKODA
Keyword(s):  
Carbon Nanotubes ◽  
Stainless Steel ◽  
School Level ◽  
304 Stainless Steel ◽  
Catalyst Precursor ◽  
Stainless Steel Mesh ◽  
High School Level ◽  
Safe Method ◽  
Multi Walled Carbon Nanotubes ◽  
Walled Carbon Nanotubes

We report on a 20–40 s process for growing aligned, uniformed, high purity multi-walled carbon nanotubes (MWNTs) using an alcohol lamp burner. With an appropriate catalyst precursor concentration, MWNTs can be grown on a Co-coated 304 stainless steel mesh under incomplete combustion conditions at 680–700°C. The process provides a rapid, easy, economic and safe method for the formation of carbon nanotubes. We suggest that the proposed method be considered as an educational kit for college or high school level experiments.

Catalyst Synthesis of Carbon Nanotubes by Substrate Method

2010 ◽  
Vol 129-131 ◽  
pp. 1331-1335
Author(s):  
Zhao Yong Ding ◽  
Bao Min Sun ◽  
Bing Hao Xu ◽  
Yuan Chao Liu ◽  
Yong Hong Guo
Keyword(s):  
Carbon Nanotubes ◽  
Stainless Steel ◽  
Raman Spectra ◽  
Steel Plate ◽  
Iron Pentacarbonyl ◽  
Monocrystalline Silicon ◽  
304 Stainless Steel ◽  
Catalyst Precursor ◽  
Stainless Steel Plate ◽  
Walled Carbon Nanotubes

Pyramid shaped pyrolysis flame is a new method for carbon nanotubes (CNTs) synthesis. Oxy-acetylene flame was used as the source of heat, CO as the source of carbon, iron pentacarbonyl (Fe(CO)5) as the source of catalyst precursor. Field emission scanning electron microscope(FE-SEM), High resolution transmission electron microscopy (HR-TEM) and Raman spectra were used to illustrate the results of experimental. In this experimental, coating substrate is not a special process, but a part of sampling. In the first 60s of sampling time, there were not CNTs synthesis, only the phase that substrate coats particles and temperature rise, so in this phase, catalyst particles formed. 304 stainless steel plate, monocrystalline silicon chip, and brass plate were used as substrates to synthesize CNTs. 304 stainless steel plate could gain straight, long, and uniform CNTs, monocrystalline silicon chip gain curly and short CNTS, while brass gain nothing but particles. Although single-walled carbon nanotubes (SWNTs) were not observed by SEM and TEM, it was successfully done by Raman spectra, in spite of the yield was small.

Uniform synthesis of multi-walled carbon nanotubes in a stainless steel porous block

Carbon ◽  
2012 ◽  
Vol 50 (15) ◽  
pp. 5628-5630 ◽  
Author(s):  
Noriaki Sano ◽  
Suguru Yamamoto ◽  
Hajime Tamon
Keyword(s):  
Carbon Nanotubes ◽  
Stainless Steel ◽  
Porous Block ◽  
Multi Walled Carbon Nanotubes ◽  
Walled Carbon Nanotubes

From coordination polymer to carbon nanotube: Preparation, characterization and rapid adsorption capacity toward organic pollutants

2020 ◽  
Vol 44 (7-8) ◽  
pp. 487-493
Author(s):  
Hong-Yan Lin ◽  
Yi-Fei Wang ◽  
Yuan Tian ◽  
Guo-Cheng Liu ◽  
Jian Luan
Keyword(s):  
Carbon Nanotubes ◽  
Coordination Polymer ◽  
High Performance ◽  
Low Cost ◽  
Freundlich Isotherm ◽  
Catalyst Precursor ◽  
Order Kinetic ◽  
Order Kinetic Model ◽  
Multi Walled Carbon Nanotubes ◽  
Walled Carbon Nanotubes

A CuI coordination polymer based on the N,N’-bis(3-pyridinecarboxamide)-1,4-butane (3-dpyb) ligand, namely [Cu(3-dpyb)0.5Cl], is hydrothermally synthesized and structurally characterized, and is used as a catalyst precursor to synthesize multi-walled carbon nanotubes. Interestingly, the as-grown multi-walled carbon nanotubes exhibit high performance in removing dyes from solution and can serve as a low-cost and fast adsorbent. In addition, the adsorption behavior of this new adsorbent fits well with the Freundlich isotherm and the pseudo-second-order kinetic model.

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