purification of carbon nanotubes

purification of carbon nanotubes

purification of carbon nanotubes

... Multi-step purification of carbon nanotubes. Carbon 2002;40(1):81–5. [45] Ikazaki F, Ohshima S, Uchida K, Kuriki Y, Hayakawa H, Yumura M, et al. Chemical purification of carbon nanotubes by use of graphite-intercalation ... al. Crystalline ropes of metallic carbon nanotubes. Science 1996;273(5274):483–7. [22] Ren ZF, Huang ZP, Xu JW, Wang JH, Bush P, Siegal MP, et al. Synthe...
Ngày tải lên : 20/03/2014, 13:06
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The Science and Technology of Carbon Nanotubes potx

The Science and Technology of Carbon Nanotubes potx

... synthesis of molecular carbon structures in the form of c60 and other fullerenes stimulated an intense interest in mesoscopic carbon structures. In this respect, the discovery of carbon nanotubes ... Chapter 2 Synthesis and Purification of Multi- Walled and Single-Walled Carbon Nanotubes M.Yumura 2 Chapter 3 Electron Diffraction and Microscopy of Ca...
Ngày tải lên : 05/03/2014, 17:20
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Deposition of carbon nanotubes on si nanowires by chemical vapor deposition

Deposition of carbon nanotubes on si nanowires by chemical vapor deposition

... relatively high (b1100°C), a mixture of graphitic carbon and SiC nanowires was formed because of both the carbonization of the nanowires and the fast carbon deposition to form the carbon- like structure. 4. ... formed by carbon atoms diusing into the Si NWs, CNTs could not be formed very well on the surface of nanowires because of both the volume change of the nanowires an...
Ngày tải lên : 16/03/2014, 15:04
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Mechanical Properties of Carbon Nanotubes potx

Mechanical Properties of Carbon Nanotubes potx

... deformations. Mechanical Properties of Carbon Nanotubes 297 Fig. 4. HREM images of bent nanotubes under mechanical duress. (a)and(b)sin- gle kinks in the middle of SWNT with diameters of 0.8and1.2nm,respectively.(c) and ... chemical bond network. The inherent strength of the carbon- carbon bond indicates that the tensile strength of carbon nanotubes might exceed that o...
Ngày tải lên : 24/03/2014, 05:20
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Tài liệu Medicinal Chemistry and Pharmacological Potential of Fullerenes and Carbon Nanotubes docx

Tài liệu Medicinal Chemistry and Pharmacological Potential of Fullerenes and Carbon Nanotubes docx

... chamber. The proliferative index of the culture was estimated as the ratio of number of cells per 1 ml of medium after 72 h of cultivation to the initial number of cells per 1 ml of medium. 5.2.7 Denaturing ... infectious titer of the virus was determined as a decimal logarithm of reciprocal to the dilution of the specimen causing destruction of 50% of cells. The i...
Ngày tải lên : 17/02/2014, 05:20
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development of an ozone gas sensor using single - walled carbon nanotubes

development of an ozone gas sensor using single - walled carbon nanotubes

... 2009 Keywords: Single-walled carbon nanotubes Gas sensor O 3 gas N,N-dimethylformamide (DMF) Thermal treatment abstract This study deals with the fabrication of an ozone gas sensor using single-walled carbon nanotubes ... that the electrical properties of carbon nanotubes (CNTs) change by adsorption of gases, CNT-based gas sensors have been studied [1]. However, although man...
Ngày tải lên : 19/03/2014, 16:47
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sensor response of sol–gel multiwalled carbon nanotubes-tio2 composites

sensor response of sol–gel multiwalled carbon nanotubes-tio2 composites

... the identification of small changes in the patterns of the composite films; the narrower and more sym- metric shape of the MWCNT peak at 2Â =26 ◦ indicates the lost of amorphous carbon after functionalization. ... presence of a new band at 1163 cm −1 , which can be related to the formation of esters or Ti-O-O-C bonds. 3.2. Room temperature sensing The sensor performance of sol–g...
Ngày tải lên : 20/03/2014, 13:07
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EFFECT OF CARBON TO NITROGEN RATIO ON THE COMPOSTING OF CASSAVA PULP WITH SWINE MANURE

EFFECT OF CARBON TO NITROGEN RATIO ON THE COMPOSTING OF CASSAVA PULP WITH SWINE MANURE

... dropped to nearly 25% at the end of the composting period (Figure 4). Decrease in total organic carbon concentration resulted from the oxidation of carbon to carbon dioxide by microorganisms ... the end of composting, the percentage of total K in pile 3 and pile 6 were also lower than those of the other piles (1.41 % and 1.58 %, respectively) indicating that the percentage...
Ngày tải lên : 05/09/2013, 09:08
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Carbon nanotubes as nanofillers

Carbon nanotubes as nanofillers

... Finer co-dispersion of CNT’s in the presence of delaminated clay Interconnectivity of longer CNT’s - Single-wall nanotubes (SWNTs) - Multi-wall nanotubes (MWNTs) Carbon Nanotubes ~ 1-2 nm Few ... behavior Thermal properties : « stability » and flame retardant behavior Interest of carbon nanotubes as nanofillers Preparation of nanocomposites By melt blending in a...
Ngày tải lên : 23/10/2013, 19:15
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CARBON NANOTUBES 2012 pptx

CARBON NANOTUBES 2012 pptx

... research on carbon nanotubes and related materials. 'The birth of the field of carbon nanotubes is marked by the publication by Iijima of the observation of multi-walled nanotubes with ... on carbon nanotubes. Carbon nanotubes have the same range of diameters as fullerenes, and are expected to show various kinds of size effects in their structures and pro...
Ngày tải lên : 05/03/2014, 15:21
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