Carbon Nano Structures and Devices

Self-Assembly of Tetraazamacrocyclic Compounds on Single-Walled Carbon Nanotubes: Experimental and Theoretical Studies

Basiuk E.V., Basiuk V.A., Basiuk E.V., Basiuk V.A., Rybak-Akimova E.V., Acosta-Najarro D., Puente-Lee I., Saniger J.M., Universidad Nacional Autonoma de Mexico, MX

All the existing methods of chemical modification of carbon nanotubes (CNTs) can be divided in two groups, depending on whether functionalizing moieties are introduced onto the nanotube tips or sidewalls. The latter approach offers wider [...]

Computing Metallofullerenes as Agents of Nanoscience: Gibbs Energy Treatment of Ca@C72, Ca@C82, and La@C82

Slanina Z., Kobayashi K., Nagase S., Institute for Molecular Science, JP

Various endohedral cage compounds have been suggested as possible candidate species for molecular memories. One approach is built on endohedral species with two possible location sites of the encapsulated atom while another concept of quantum [...]

Electrical Property of Fullerene Films Polymerized by Argon Plasma Treatment

Maruyama R., Sony Corporation, JP

Fullerene (C60) is a promising material for nano-carbon device research. Control of the electrical property of C60 is necessary for applications. C60 polymer has great promise because its unique structure allows its electrical and optical [...]

Nano 6H Diamond Polytype Polycrystalline Powder

Ownby P.D., University of Missouri-Rolla, US

In 1967, "Hexagonal diamond - a new form of carbon" was reported to be found in meteorites. This hexagonal form, 2H, was named Lonsdaleite, after the noted crystallographer, Kathleen Lonsdale. Since the corrected structures and [...]

Structural and Mechanical Properties of Double Wall Carbon Nanotubes

Bacsa R.R., Bacsa W.S., Flahaut E., Laurent Ch., Peigney A., Puech P., Bacsa R.R., Bacsa W.S., LPST Université Paul Sabatier, FR

Narrow diameter double walled carbon nanotubes can now be grown by the catalytic chemical vapor deposition process with high yield. Double walled carbon nanotubes are the molecular analogs to coaxial cables and they can also [...]

Interaction of Laser Light and Electrons with Nanotubes

Sadeghpour H.R., Granger B.E., Král P., Harvard University, US

Technological leaps of the last two decades have opened windows of opportunity for designing and controlling electronic states in novel systems. The fabrication of quantum dots in semiconductor devices has led to the invention of [...]

Synthesis of Carbon Nanotubes by Decomposition of Hydrocarbon Using an Arc-Jet Plasma

Choi S., Choi S.S., Nam J.S., Choi S., Choi S.S., Lee C.M., Kim J.I., Hong S.H., Seoul Nationl University, KR

We present a method to produce carbon nanotubes by decomposition of hydrocarbons using an arc-jet plasma of high temperature (500020000 K). Carbon nanotubes are continuously produced in a floating condition by introducing a hydrocarbon gas [...]

Lattice Directional Growth of Single Walled Carbon Nanotubes Arrays

Lin H., Harnett C., Tanenbaum D., Cornell University, US

2D arrays of single-walled Carbon Nanotubes (SWNTs) have been grown on Silicon substrates of both Si(100) surface and Si(111) surface by using chemical vapor deposition (CVD). The two-fold growth symmetry on Si(100) and three-fold growth [...]

Continuous Mass Production of Carbon Nanotubes by 3-Phase AC Plasma Processing

Fabry F., Gruenberger T.M., Gonzalez-Aguilar J., Okuno H., Grivei E., Probst N., Fulcheri L., Flamant G., Charlier J-C, TIMCAL Belgium S.A., BE

Currently known processes for carbon nanotube synthesis use either of the following methods: Arc, laser, solar, plasma or catalytic method. The first group, comprising the first four processes corresponds to the high temperature methods. Hereby, [...]

Sol-Gel Prepared Single Wall Carbon Nanotube SnO2 Thin Film for Micromachined Gas Sensor

Gong J., Chen Q., Univeristy of Central Florida, US

We report here a novel micromachined single wall carbon nanotube (SWNT)/tin dioxide (SnO2) nano film gas sensor. A polymeric sol-gel process in combination with purified SWNT has been successfully developed in fabricating SWNT/SnO2 thin film [...]

Gated Carbon Nanotube Field Emission Enhancement and Regeneration by Hydrogen

Hsu D.S.Y., Shaw J.L., Naval Research Laboratory, US

We have previously demonstrated two different configurations of integrally gated carbon nanotube field emitter arrays (FEAs). CNTs were grown inside microfabricated gate apertures with and without silicon posts. Salient features of these in-situ grown microgated [...]

Noncovalent Engineering of Carbon Nanotube Surfaces

Chen J., Ramasubramaniam R., Liu H., Zyvex Corporation, US

Single-walled carbon nanotubes (SWNTs), due to their novel structural, thermal, electrical, mechanical and optical properties, are expected to find applications in many fields. Pristine SWNTs are generally insoluble in common solvents, and difficult to functionalize [...]

Carbon Nanotube-based Sensor Devices for IC Performance Evaluation

Wright R.G., Kirkland L.V., Zgol M., Adebimpe D., Mulligan R., GMA Industries, Inc., US

A novel approach to the problem of identification of failed integrated circuits (ICs) on electronic circuit boards has been sought that would allow for drastically reducing the costs of the test equipment development and maintenance. [...]

Modeling and Simulation of Multi-walled Carbon Nanotubes using Molecular Dynamics Simulation

Wong C.H., Liew K.M., He X.Q., Tan M.J., Meguid S.A., Nanyang Technological University, SG

Molecular dynamics simulation is performed on the buckling behavior of single and multi-walled carbon nanotubes under axial compression. Brenners second generation empirical potential is used to describe the many-body short range interatomic interactions for single-walled [...]

Electrochemical Storage of Hydrogen in Carbon Nanotubes

Chung S-R, Wang K-W, Perng T.P., National Tsing Hua University, TW

The electrochemical hydrogenation property of carbon nanotubes (CNTs) was investigated. A slurry consisting of CNTs and a binder was pasted on a Ni foam to form an electrode. The discharge capacity was tested in an [...]

Theoretical Studies on Relative Stabilities of C70 Fullerene Dimers

Zhao X., Slanina Z., Goto H., Toyohashi University of Technology, JP

Five stable C70 fullerene dimers with [2+2] bridges between hexagon-hexagon bonds, which are experimentally characterized very recently, have been investigated by several semi-empirical approaches and ab initio Hartree-Fock self-consistent field calculation and hybrid density functional [...]

Electrocatalysis at a Thin Multi-Wall Carbon Nanotube Film Modified Glassy Carbon Electrode

Fei J., Sun Y., Hu S., Gao Z., Institute of Bioengineering and Nanotechnology, SG

Sensitive and selective ascorbic acid biosensors were developed for the determination of ascorbic acid (AA) based on glassy carbon electrode (GCE) coated with a thin multi-wall carbon nanotube (MWNT) film. The MWNT film showed excellent [...]

Nanotube Stochastic Resonance: Noise–enhanced Detection of Subthreshold Signals

Lee I.Y., Liu X., Kosko B., Zhou C., University of Southern California, US

Noise can help signal detection at the nano-level. Experiments on a single-walled carbon nanotube transistor confirm that a threshold is sufficient for a nondynamical system to exhibit stochastic resonance: a judicious amount of noise can [...]

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