Papers:
Cutting Fluorinated/Ozonated Single-Walled Carbon Nanotubes by Pyrolysis
Fluorinated/ozonated Single-Walled Carbon Nanotubes (SWNTs) was found to have been cut to short length by Pyrolysis and/or piranha treatment. Large scale cutting of SWNTs would lead to novel applications of nanotubes in microelectronics, biological imaging [...]
Fabrication of Nanometer-Sized Structures by C-NEMS Technology
Ma K-S, Madou M., Jia G-Y, Xu Q., Zhou H., Wang C-L, Zoval J., Madou M., University of California Irvine, US
We have demonstrated a technique to fabricate carbon nano wires of controllable dimension and location using a top-down methodology. The width and thickness of the wires are in the tens of nanometer range. Additionally, the [...]
Inelastic Light Scattering and Light Emission of Individual and Suspended Carbon Nanotubes
Yin Y., Cronin S., Walsh A., Stolyarov A., Tinkham M., Vamivakas A., Bacsa R.R., Bacsa W., Ünlü S., Goldberg B., Swan A., Bacsa R.R., Bacsa W., Boston University, US
Carbon nanotubes represent an important model system in nanoscience and nanotechnology. The tubes are essentially one-dimensional, typically 1-2 nm in diameter and up to 1 mm long and combine nanoscale and macroscopic physics. Besides their [...]
Fabrication of Suspended C-NEMS Structures by EB Writer and Pyrolysis Method
Recently suspended C-MEMS structures were fabricated by accurately controlling the processing parameter. However how to fabricate various suspended C-NEMS structures is still a big challenge. Here we successfully fabricated C-NEMS by UV/EB lithography and pyrolysis [...]
Mimicking Photosynthesis to Make Functional Nanostructures and Nanodevices
Photocatalytic porphyrins are used to reduce metal complexes from aqueous solution and, further, to control the deposition of metals onto porphyrin nanotubes and surfactant assembly templates to produce metal composite nanostructures and nanodevices. For example, [...]
Nanomechanical Properties of Silica Coated Multiwall Carbon Nanotubes – Poly(methyl methacrylate) Composites
Nanomechanical properties of polymer composites, reinforced with silica coated multiwall carbon nanotubes (MWNT), have been studied using the nanoindentation technique. The nanohardness and the Young’s modulus have been found to increase strongly with the increasing [...]
Growth of Individual Vertically Aligned Nanotubes/Nanofibers with Small Diameter by PECVD on Different Metal Underlayers
Kabir M.S., Morjan R.E., Svensson K., Nerushev O.A., Lundgren P., Bengtsson S., Enokson P., Campbell E.E.B., Chalmers University of Technology, SE
The primary goal of this work is to achieve significant improvement of growth of carbon nanotubes (CNTs) on different metal underlayers that can provide a platform for electronic companies to adopt the technology into their [...]
Interactions between Carbon Nanotubes and Liquids: Imbibition and Wetting
Carbon nanotubes (CNT) have potential applications in nanofluidic devices and are already in use for composite reinforcement. Their interactions with fluids are critical in both those applications. Furthermore, the wetting dynamics of homogeneous and structured [...]
Large Scale Nanocarbon Simulations
Tejima S., Iizuka M., Park N., Berber S., Nakamura H., Tomanek D., Research Organization for Information Science & Technology, JP
The mechanical response of carbon nanotubes to revere deformation has attracted much attention since their discovery in 1991. Carbon nanotubes have already demonstrated exceptional mechanical properties: their excellent flexibility during bending have been observed experimentally. [...]
Multi-Scale Modeling of Processing of Carbon Nanotubes
Choi H.S., Kim J., Kim K.H., Hong K-H, Kim J., Kim K.H., Lee H.S., Shin J-K, Vasenkov A.V., Fedoseyev A.I., Kolobov V., Samsung Advanced Institute of Technology, KR
The current rapid development of nanotechnology has created a significant interest to predict the behavior of materials from the atomic to the engineering scales. However, it was found that such prediction is a very challenging [...]
Role of Nanoscale Topography on the Hydrophobicity: A Study of Fluoro-Based Polymer Film on Carbon Nanotubes
The unique electronic, mechanical and chemical properties of carbon nanotubes making them most promising candidate for the building blocks of molecular-scale machines, and nanoelectronic devices. On the other hand, highly hydrophobic films are being actively [...]
Amorphous Diamond Electron Emission for Thermal Generation of Electricity
Sung E., Sung J.C-M, Sung M., Kan K., Sung E., Sung J.C-M, Sung M., Huang J-L, Sung E., Sung J.C-M, Sung M., Chen C-P, Hsu K-H, Tai M-F, Kinik Company, TW
Amorphous diamond represents a class of material of its own. It may be viewed to be a composite of metal (graphite) and insulator (diamond), but together they form a unique passage for electrons to flow [...]
Near-Field Electrodynamics of Atomically Doped Carbon Nanotubes
We have developed a quantum theory of near-field electrodynamical properties of carbon nanotubes. The theory was used to investigate spontaneous decay dynamics and van der Waals attraction of a single two-level atom close to a [...]
Continuous Mass Production of Fullerenes and Fullerenic Nanoparticles 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
A patented plasma technology has been developed over the last ten years for the continuous mass production of fullerenes and fullerene soot by the core partners of a consortium (TIMCAL BELGIUM S.A., EMP-ARMINES and CNRS). [...]
Experimental Observation of Carbon and Carbon-Metal Nanotoroids and New Carbon-Metal Superstructures at Nanoscale
We report experimental observation (by AFM, STM and HRTEM methods) of nanotoroids for both carbon and carbon-metal superstructures produced by methods of arc discharge and laser ablation. Size of superstructures is ~ 10 nm for [...]
Effects of the Process Parameters on the Carbon Nanotubes Growth by Thermal CVD
Verissimo C., Moshkalyov S.A., Ramos A.C.S., Gonçalves J.L., Alves O.L., Swart J.W., CCS - UNICAMP, BR
Carbon nanotubes growth was performed by thermal chemical vapor deposition using a tubular furnace and methane as carbon feedstock gas. Thin films of nickel were employed as catalysts supported onto a SiO2/Si substrate. The influence [...]
Structural Study of Amorphous Carbon using Adaptive Interatomic Reactive Empirical Bond-order Potential Model
We studied the structural properties of amorphous carbon covering a wide range of densities from low-density to high-density regime using classical molecular dynamics with reactive empirical bond-order potential model. We calculated the pair-correlation functions, relative [...]
Hybrid Nanomaterials for Active Electronics and Bio-Nanotechnology
We describe self assembly processing of functional carbon nanotubes using single strand deoxyribonucleic acid (DNA) and peptide nucleic acid (PNA) fragments. Previous research has shown the self assembly of carbon nanotubes to quantum dots via [...]
The Structure and Properties of ta-C Film with Dispersion of Incident Beam Energy
Lee K-R, Lee S-C, Lee S-H., Kim T.-Y., Lee K-R, Lee S-C, Lee S-H., Chung Y-C, Brenner D.W., Lee K-R, Lee S-C, Lee S-H., Korea Institute of Science and Technology, KR
We investigated the structural properties of ta-C film as a function of the dispersion in the incident kinetic energy. The ta-C films were produced on a diamond (100) surface by the bombardment of 3, 000 [...]
Computing Encapsulation of Non-metallic Molecules: N2@C60
Recent observation of N2@C60 is supported computationally. The geometry is optimized at the B3LYP/3-21G and PW91/3-21G levels. The lowest-energy structure has the N2 unit oriented towards a pair of parallel pentagons so that the complex [...]
An Innovative Ignition Method using SWCNTs and a Camera Flash
It was reported in the literature that as-produced single-walled carbon nanotubes (SWCNTs) ignited when accidentally subjected to a common photographic flash at a close range. This effect was observed for dry and “fluffy” SWCNTs but [...]
Counting and Controlling Point Defects in Carbon Nanotube Electronic Circuits
As with any disruptive technology in its early stages, nanoelectronics faces major scientific and technological challenges. As initial investigations of carbon nanotube circuits mature, attention can be turned to issues of reliability and reproducibility. This [...]
Molecular Dynamics Study of Electromechanical Nanotube Random Access Memory
In this work, an electromechanical nanotube random access memory (NRAM) device based on carbon nanotube (CNT) shown in Fig. 1 was investigated using atomistic simulations. The interaction between the CNT-lever and the drain electrode or [...]
Application of Encapsulated PECVED-grown Carbon Nano-Structure Field-Emission Devices in Nanolithography
Koohsorkhi J., Adbi Y., Mohajerzadeh S., Derakhshandeh J., Hosseinzadegan H., Khakifirooz A., Robertson M.D., University of Tehran, IR
We report a novel technique for submicron and nanolithography using vertically grown nickel seeded carbon nano-structures (CNS) on silicon substrates. The field emission characteristic of carbon nano-tubes is utilized to create nano-scale features. The structure [...]
Single wall Carbon Nanotube Optical Actuators: Towards Optical Artificial Muscles
The direct conversion of electrical energy to mechanical energy has been realized by various types of actuation technologies. But the direct conversion of optical energy to mechanical energy is rarely touched to date. Here we [...]
Directed Self-Assembly of Virus-Based Hybrid Nanostructures
Application of biomolecules in self-assembly has an advantage to produce functional building-block for bottom-up approach in nanofabrication. Well known unenveloped viruses such as poliovirus (PV) and tobacco mosaic virus (TMV) were used in our self-assembled [...]
Journal: TechConnect Briefs
Volume: 2, Technical Proceedings of the 2005 NSTI Nanotechnology Conference and Trade Show, Volume 2
Published: May 8, 2005
Industry sector: Advanced Materials & Manufacturing
Topic: Carbon Nano Structures & Devices
ISBN: 0-9767985-1-4