The production of carbon nanotubes using two-stage chemical vapor deposition and their potential use in protein purification

2011 ◽  
Vol 168 (1) ◽  
pp. 461-469 ◽  
Author(s):  
N.M. Mubarak ◽  
Faridah Yusof ◽  
M.F. Alkhatib
2012 ◽  
Vol 2012 ◽  
pp. 1-5 ◽  
Author(s):  
M. S. Shamsudin ◽  
M. F. Achoi ◽  
M. N. Asiah ◽  
L. N. Ismail ◽  
A. B. Suriani ◽  
...  

High density of carbon nanotubes (CNTs) has been synthesized from agricultural hydrocarbon: camphor oil using a one-hour synthesis time and a titanium dioxide sol gel catalyst. The pyrolysis temperature is studied in the range of 700–900°C at increments of 50°C. The synthesis process is done using a custom-made two-stage catalytic chemical vapor deposition apparatus. The CNT characteristics are investigated by field emission scanning electron microscopy and micro-Raman spectroscopy. The experimental results showed that structural properties of CNT are highly dependent on pyrolysis temperature changes.


2011 ◽  
Vol 364 ◽  
pp. 191-195 ◽  
Author(s):  
Muhammad Salleh Shamsudin ◽  
Saifollah Abdullah ◽  
Mohamad Rusop Mahmood

Finding on the one-dimensional purified aligned carbon nanotubes (ACNT) was prepared using botanical hydrocarbon: camphor powder in a two-stage catalytic chemical vapor deposition will be presented. For the first time, the hydrocarbon source and catalyst were patterned in different alumina boats in the system. The growth of ACNT has achieved free standing formation with higher aspect ratio. In contrast, unpurified carbon nanotubes have some drawbacks and require some treatments to fully utilize their capabilities in various applications. The results reveal that the crystallinity and purity of functionalized align carbon nanotubes was increased after wet-chemical technique and heat treatment process. In this paper, the results provide evidence showing that it was in good agreement with the field emission scanning electron microscopy, micro-Raman and thermogravimetric analysis.


2021 ◽  
Author(s):  
Laura Esteves ◽  
Hugo Alvarenga Oliveira ◽  
Y. T. Xing ◽  
Fabio Barboza Passos

Carbon nanotubes (CNT) application in heterogeneous catalysis has been attracting growing interest. However, the use of CNT-supported catalysts in the chemical vapor deposition for the production of new CNT is...


2008 ◽  
Vol 476 (1-2) ◽  
pp. 230-233 ◽  
Author(s):  
Haipeng Li ◽  
Naiqin Zhao ◽  
Chunnian He ◽  
Chunsheng Shi ◽  
Xiwen Du ◽  
...  

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