... National University of Singapore 23 Chapter Theoretical studies ofcarbonnanotubes Chapter Theoretical studies ofcarbonnanotubes Summary The theoretical studies ofcarbonnanotubes were divided ... than carbonnanotubes c) Decoration ofcarbonnanotubes with metallic nanoparticles and enzymes, for the application of these CNT/metal hybrids as biosensors d) Functionalization ofcarbonnanotubes ... properties of small radii nanotubes National University of Singapore 10 Chapter Literature Background 2.2 Potential applications ofcarbonnanotubes Fundamental properties ofcarbon nanotubes...
... dependence of@ e structure of EELS on the diameter and the anisotropic features of CNTs Introduction - Morphological Features of CNTs Since the discovery ofcarbonnanotubes (CNTs) [I], most of the ... monograph is entitled "The Science and Technology ofCarbon Nanotubes" as the successive version of ref for the benefit of actual and potential researchers of these materials by collecting and arranging ... all of the authors should like to offer the readers the newest developments of the science and technological aspects of CNTs vi It is our biggest sorrow that in the course of preparation of this...
... 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 Conclusions ... formed by carbon atoms diusing 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 and breaking of the carbon network ... coated carbon grew to become large carbon sheets, as shown in the bottom image in Fig 4b Even the nanowires were completely carbonized and mixed into a lot ofcarbon sheets to form a mixture of Fig...
... Multi-step purification ofcarbonnanotubesCarbon 2002;40(1):81–5 Ikazaki F, Ohshima S, Uchida K, Kuriki Y, Hayakawa H, Yumura M, et al Chemical purification ofcarbonnanotubes by use of graphite-intercalation ... decomposition of hydrocarbons Carbon 2000;38(14):2041–5 Montoro LA, Rosolen JM A multi-step treatment to effective purification of single-walled carbonnanotubesCarbon 2006;44(15):3293–301 CARBON ( ... New method of purification ofcarbonnanotubes based on hydrogen treatment J Phys Chem B 2004;108(22):6935–7 [55] Tan SH, Goak JC, Hong SC, Lee N Purification of singlewalled carbonnanotubes using...
... Young’s modulus ofcarbonnanotubes The amplitude of those oscillations was defined by means of careful TEM observations of a number ofnanotubes The authors obtained an average value of 1.8 TPa for ... number of experimental measurements of the Young’s modulus ofnanotubes have been reported The first such study [71] correlated the amplitude of the thermal vibrations of the free ends of anchored nanotubes ... 10) nanotubes a pseudogap of the order of 0.1 eV is predicted to open up in the density of states due to the breaking of mirror symmetry in the rope [18] Mechanical Properties ofCarbon Nanotubes...
... both ends of each CNT.18,25 A total of five individual nanotubes were studied for each growth condition (or dc bias voltage), and the nanotubes were randomly picked from three samples of MWCNT ... spectra of CNTs grown under negative and zero dc bias voltage represent sp3 rich phases of CNTs and suggest the existence of amorphous carbon or defects on the walls of CNTs.31 The absence of a ... intensity of the G-band reflects the degree of graphitization ofcarbon materials The effect of dc bias voltage on the IG/ID ratio and the FWHM are presented in Figure The line shapes of the G-...
... single-walled variant ofcarbonnanotubes Since then, we have observed the progress of science and technology as it relates to carbonnanotubes changing from the discovery of various methods to ... concepts to the studies of the unique physical and mechanical properties ofcarbonnanotubes Some of the chapters in these books deal with what might be unique about carbonnanotubes and where one ... desirable nanotubes, and unique and novel measurement tools to characterize the chiralities ofnanotubes Other chapters deal with the measurement of the electronic properties ofcarbon nanotubes...
... energy of singlewalled carbonnanotubes Appl Phys Lett 1999, 16:2307-2309 Peigney A, Laurent C, Flahaut E, Bacsa RR, Rousset A: Specific surface area ofcarbonnanotubes and bundles ofcarbonnanotubes ... applications of single walled carbonnanotubes Curr Med Chem 2010, 17:10-24 Ito Y, Venkatesan N, Hirako N, Sugioka N, Takada K: Effect of fiber length ofcarbonnanotubes on the absorption of erythropoietin ... separation ofcarbonnanotubes Nat Mater 2003, 2:338-342 Kim O-K, Je J, Baldwin JW, Kooi S, Pehrsson PE: Solubilization of single-wall carbonnanotubes by supramolecular encapsulation of helical...
... single wall carbonnanotubesCarbon 2002, 40:2043-2061 24 Deng F, Zheng QS, Wang LF: Effects of anisotropy, aspect ratio, and nonstraightness ofcarbonnanotubes on thermal conductivity ofcarbon ... properties of the system Thus, we aimed at studying the effect of two types of carbon- based nanofillers, in particular, nanotubes and graphene sheets, on the thermal conductivity of an uncured ... indicate that MWNTs are the most effective carbon nanofillers to improve the K of liquid resins Indeed, the K of the nanofluids gradually increased as a function of MWNT content, reaching a 70% improvement...
... resistibility of the carbonnanotubes towards ion-etching effects In the tip -growth mechanism, the catalyst was at the tip of the vertically growing SWNT, offered protection to walls of the nanotube ... high energy of *100 eV and caused C–C bond breakage The presence of plasma radicals such as NHx and H further chemically etched the surface of the carbonnanotubes The growth mechanism of SWNT in ... plasma-heating effect of the 123 1380 Nanoscale Res Lett (2010) 5:1377–1386 Table Low temperature (B500°C) growthofcarbon nanotubes/ nanofibres using PECVD methods Temperature °C Power W Type of plasmaa...
... the interactions of two types of SWNT (1) iron-rich (nonpurified) SWCNT (26% of iron) and (2) iron-stripped (purified) SWNT (0.23 wt% of iron) with RAW264.7 macrophages Each type of SWNT was able ... activation of macrophages The unusual feature of the response is a very early switch from the acute phase of the response to fibrogenic events resulting in significant pulmonary deposition of collagen ... eosin staining of mouse lung tissue (a, e) Fluronic F-68-treated group acts as the solvent control (b, f) Early response (3 days) of the mouse lung tissue to a single dose of 0.5 mg of SWNT (c,...
... of monogalactosylated serine and arabinosylated hydroxyproline Dispersion of SWNTs in YK20 solutions About mg of HiPCO carbonnanotubes (carbon nanotechnology Inc.) were added to a solution of ... non-complexed insoluble nanotubes The microfuge tube at the far left shows SWNTs solubilized in a mg/mL solution of YK20 while the microfuge tube to the right shows the 10-fold dilution of the SWNT-YK20 ... spectrum of SWNT-YK20 complexes multiplied by a factor of 2.25 Thus, the binding of SWNTs imposes some other conformations of YK20, and the polyproline II content in the secondary structure of the...
... the yield ofcarbon with the growth temperature has been plotted and shown in Fig It could be seen that the carbon yield increased with increasing growth temperature and a maximum of around 146% ... Fig Dependence ofcarbon yield on the reaction temperature be through the precipitation ofcarbon in the form of MWNTs from the molten catalytic particles The melting temperatures of the alloy-C ... types ofcarbon nanostructures have been obtained from CVD of methane at different growth temperatures (850–950°C), using Zr based alloy hydride catalyst Alloy-filled MWNTs were obtained at a growth...
... dependence of@ e structure of EELS on the diameter and the anisotropic features of CNTs Introduction - Morphological Features of CNTs Since the discovery ofcarbonnanotubes (CNTs) [I], most of the ... monograph is entitled "The Science and Technology ofCarbon Nanotubes" as the successive version of ref for the benefit of actual and potential researchers of these materials by collecting and arranging ... all of the authors should like to offer the readers the newest developments of the science and technological aspects of CNTs vi It is our biggest sorrow that in the course of preparation of this...
... dependence of@ e structure of EELS on the diameter and the anisotropic features of CNTs Introduction - Morphological Features of CNTs Since the discovery ofcarbonnanotubes (CNTs) [I], most of the ... monograph is entitled "The Science and Technology ofCarbon Nanotubes" as the successive version of ref for the benefit of actual and potential researchers of these materials by collecting and arranging ... all of the authors should like to offer the readers the newest developments of the science and technological aspects of CNTs vi It is our biggest sorrow that in the course of preparation of this...
... Chemistry ofCarbonNanotubesof translocation, a prerequisite for nanoscale separation devices 5.3 Encapsulation of Liquids A particular area of interest is the use ofcarbon tubes in nanofluidics ... internal cavities of tubes.411 Comparison of the catalytic activities of immobilized enzyme with those of the free species in the hydrolysis of penicillin showed that a significant amount of the inserted ... by TEM One of the most exotic applications of CNT filled with a molten metal was the preparation of miniaturized thermometers The group of Bando described how the height of a column of liquid...
... properties ofcarbonnanotubes 1.1.2 Mechanical properties of CNT and its characterization 1.1.3 Applications of CNT 12 1.2 Computational models to study mechanics ofcarbonnanotubes ... mechanical properties and behaviour of CNTs are reported 1.1 Properties and applications ofcarbonnanotubes 1.1.1 Geometric properties ofcarbonnanotubes Multi-walled carbon nanotube (MWCNT) was first ... 2001, Li et al 2007) Copper Pitch carbon fiber PAN carbon fiber Source: http://www.nanocyl.com/CNT-Expertise-Centre /Carbon- Nanotubes 1.1.3 Applications of CNT Carbonnanotubes have high breaking strength,...
... 1.3 Dispersion ofcarbonnanotubes 1.4 Applications ofcarbonnanotubes 10 1.5 Structure and morphology of graphene 12 1.6 Properties of graphene 14 ... classified into single-walled carbonnanotubes (SWCNTs), double-walled carbonnanotubes (DWCNTs) and multi-walled carbonnanotubes (MWCNT) according to the number of graphene sheet layers (a) ... functionalization treatment of CNTs Figure 1.6 Schematic presentation of a functionalization process of oxidized CNTs [25] 1.4 Applications ofcarbonnanotubes CNTs have a lot of attractive applications...