Optimization of carbon nanotube production by arc-discharge

2001 ◽  
Author(s):  
M. Cadek
Keyword(s):  
Carbon Nanotube ◽  
Arc Discharge

Field emission characteristics of carbon nanotube emitters synthesized by arc discharge

2001 ◽  
Vol 19 (1) ◽  
pp. 23 ◽  
Author(s):  
J. L. Kwo ◽  
C. C. Tsou ◽  
Meiso Yokoyama ◽  
I. N. Lin ◽  
C. C. Lee ◽  
...  
Keyword(s):  
Carbon Nanotube ◽  
Field Emission ◽  
Arc Discharge ◽  
Emission Characteristics

Study of Field Emission Behavior of Carbon Nanotubes with Different Sources

2002 ◽  
Vol 728 ◽  
Author(s):  
Mark Ching-Cheng Lin ◽  
M.S. Lai ◽  
H. J. Lai ◽  
M. H. Yang ◽  
B.Y. Wei ◽  
...  
Keyword(s):  
Electron Microscopy ◽  
Carbon Nanotubes ◽  
Carbon Nanotube ◽  
Field Emission ◽  
Arc Discharge ◽  
Metal Catalyst ◽  
Microstructural Investigation ◽  
Emission Properties ◽  
Field Emission Properties ◽  
Different Sources

AbstractThe field emission properties of carbon nanotubes (CNTs) from various sources are investigated for the application of field emission displays. Comparisons are made between graphite with Ni metal as catalyst and polycyclic aromatic hydrocarbon as precursor by the arc discharge method. Cathode deposits are examined using scanning electron microscopy (SEM) and high-resolution transmission electron microscopy (HRTEM) to determine microstructure. Carbon structure is studied using Raman spectroscopy. Electron field emission characteristics are measured with the diode method at 10-6 torr pressure. In this study, SEM micrographs of cathode deposits show dense random fiber-like carbon nanotubes. The HRTEM images clearly exhibit characteristic features of multiwalled carbon nanotubes. Microstructural investigation provides evidence that both the metal catalyst and the precursor can be used to synthesize carbon nanotubes. The Raman spectrum shows a stronger peak at about 1580 cm-1 indicating formation of a well-graphitized carbon nanotube. The degree of carbon nanotube graphitization is high and is in good agreement with the HRTEM result. From field emission measurements, the lowest onset field is about 1.0 V/μm and can be attributed to highly sharp tips and the high density of carbon nanotubes. Based on microstructure characterization and field emission measurements, the influence on field emission properties including turn on voltage and threshold voltage of carbon nanotubes synthesized from different sources is discussed.

Optical Emission Spectra during Carbon Nanotube Production by Arc Discharge in H2, CH4or He Gas

1999 ◽  
Vol 38 (Part 1, No. 10) ◽  
pp. 6014-6016 ◽  
Author(s):  
Xinluo Zhao ◽  
Tsugio Okazaki ◽  
Atsuo Kasuya ◽  
Hiroshi Shimoyama ◽  
Yoshinori Ando
Keyword(s):  
Carbon Nanotube ◽  
Arc Discharge ◽  
Emission Spectra ◽  
Optical Emission ◽  
Optical Emission Spectra

In situ growth of silicon carbide–carbon nanotube composites

2016 ◽  
Vol 40 (4) ◽  
pp. 3863-3868 ◽  
Author(s):  
Santwana Pati ◽  
Bhanu Pratap Singh ◽  
Devendra Kumar Saket ◽  
Bipin Kumar Gupta ◽  
Vidya Nand Singh ◽  
...  
Keyword(s):  
Carbon Nanotube ◽  
Arc Discharge ◽  
Silicon Powder ◽  
The Novel ◽  
X Ray Diffraction ◽  
Single Walled Carbon Nanotube ◽  
Transmission Electron ◽  
Nanotube Composites ◽  
Carbon Nanotube Composites ◽  
Microscopy Techniques

SiC-single walled carbon nanotube composites were prepared through the novel route of d.c. arc discharge technique using silicon powder as a filler in a graphite anode and confirmed using X-ray diffraction, Raman spectroscopy and transmission electron microscopy techniques.

scholarly journals Sintesis Carbon Nanotube (CNT) Menggunakan Prekursor Bahan Alam Serta Modifikasi CNT Sebagai Komposit CNT/Resin Epoksi: Review

2021 ◽  
Vol 6 ◽  
pp. 1
Author(s):  
Putri Ayu Anggoro ◽  
Teguh Endah Saraswati
Keyword(s):  
Carbon Nanotubes ◽  
Carbon Nanotube ◽  
Epoxy Resin ◽  
Arc Discharge ◽  
Resin Composite ◽  
Chemical Vapor ◽  
Natural Material ◽  
Simple Method ◽  
Liquid Precursors ◽  
Multi Walled Carbon Nanotubes

<p><em>Carbon Nanotube</em> (CNT) memiliki aplikasi potensial yang luas karena sifat kimia dan fisiknya yang sangat baik. CNT disintesis menggunakan prekursor cair dari bahan alam yang. Prekursor cair dari bahan alam dimungkinkan dapat mengganti prekursor berbasis minyak bumi. Minyak kamper, jarak, kayu putih, dan kelapa sawit digunakan sebagai reservoir karbon untuk menghasilkan CNT berdinding banyak (MWCNT). Berbagai metode telah digunakan untuk menghasilkan CNT, termasuk ablasi laser, <em>arc discharge</em> dan proses deposisi uap kimia (CVD). Ulasan ini menjelaskan pembuatan CNT menggunakan metode CVD dikarenakan metode ini adalah metode yang umum digunakan dan sederhana. MWCNT yang dihasilkan dimodifikasi untuk membentuk komposit dengan resin epoksi.</p><p><strong><em>Synthesis of Carbon Nanotubes (CNT) Using Natural Material Precursors and Modified CNTs as CNT/Epoxy Resin Composite: Review. </em></strong>Carbon Nanotubes (CNT) have wide potential applications due to their excellent chemical and physical properties. CNTs were synthesized using liquid precursors from natural materials possibly replacing petroleum-based precursors. Camphor, jatropha, eucalyptus oil, and palm oil are used as carbon reservoirs to produce multi-walled carbon nanotubes (MWCNT). A variety of methods have been used to produce CNTs, including laser ablation, arc discharge, and chemical vapor deposition (CVD) processes. This mini-review explained the manufacture of CNTs using the CVD method as a commonly used and simple method. The synthesized CNT is then modified to be applied to form a composite with epoxy resin</p>

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