Tags: carbon nanotubes

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100 amps of electricity crackle in a vacuum chamber, creating a spark that transforms carbon vapor into tiny structures. Depending on the conditions, these structures can be shaped like little, 60-atom soccer balls, or like rolled-up tubes of atoms, arranged in a chicken-wire pattern, with rounded ends. These tiny, carbon nanotubes, discovered by Sumio Iijima at NEC labs in 1991, have amazing properties. They are 100 times stronger than steel, but weigh only one-sixth as much. They are incredibly resilient under physical stress; even when kinked to a 120-degree angle, they will bounce back to their original form, undamaged. And they can carry electrical current at levels that would vaporize ordinary copper wires.

Learn more about carbon nanotubes from the many resources on this site, listed below. More information on Carbon nanotubes can be found here.

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  1. Nanoelectronics: The New Frontier?

    out of 5 stars 

    18 Apr 2005 | | Contributor(s):: Mark Lundstrom

    After forty years of advances in integrated circuit technology, microelectronics is undergoing a transformation to nanoelectronics. Modern day MOSFETs now have channel lengths of only 50 nm, and billion transistor logic chips have arrived. Moore’s Law continues, but the end of MOSFET scaling is...

  2. nanoJoule

    out of 5 stars 

    28 May 2008 | | Contributor(s):: Feifei Lian, Feifei Lian, Feifei Lian

    This tool performs a self-consistent simulation of the current-voltage curve of a metallic single-wall carbon nanotube with Joule heating.

  3. Nanomaterials: Quantum Dots, Nanowires and Nanotubes

    out of 5 stars 

    15 Jul 2005 | | Contributor(s):: Timothy D. Sands

    What is a quantum dot? What is a nanowire? What is a nanotube? Why are these interesting and what are their potential applications? How are they made? This presentation is intended to begin to answer these questions while introducing some fundamental concepts such as wave-particle duality,...

  4. Nanostructure Engineered Sensors for Gas Detection in Space and Terrestrial Applications

    out of 5 stars 

    28 Jul 2005 | | Contributor(s):: Jing Li

    A nanosensor technology has been developed using single walled carbon nanotubes (SWNTs) on a pair of interdigitated electrodes (IDE) processed with a silicon-based microfabrication and micromachining technique. These sensors have been exposed to nitrogen dioxide, methane, acetone, benzene,...

  5. Nanotechnology and Occupational Safety and Health: What are the Issues, What do we know, and What is NIOSH Doing

    out of 5 stars 

    21 Nov 2006 | | Contributor(s):: Chuck L Geraci

    Nanotechnology and Occupational Safety and Health: What are the Issues, What do we know, and What is NIOSH Doing

  6. Nanotribology, Nanomechanics and Materials Characterization Studies

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    29 Mar 2009 | | Contributor(s):: Bharat Bhushan

    Fundamental nanotribological studies provide insight to molecular origins of interfacial phenomena including adhesion, friction, wear and lubrication. Friction and wear of lightly loaded micro/nano components are highly dependent on the surface interactions (few atomic layers). Nanotribological...

  7. Nanotubes and Nanowires: One-dimensional Materials

    out of 5 stars 

    17 Jul 2006 | | Contributor(s):: Timothy D. Sands

    What is a nanowire? What is a nanotube? Why are they interesting and what are their potential applications? How are they made? This presentation is intended to begin to answer these questions while introducing some fundamental concepts such as wave-particle duality, quantum confinement, the...

  8. Nathan Snodgrass

    https://nanohub.org/members/182743

  9. Nature of Single-Walled Carbon Nanotubes' Interactions with Differing Photosensitizers

    31 Aug 2023 | | Contributor(s):: Rubiona Grainger, Nima Soltani, Rice University

    It was recently discovered that when Single-Walled Carbon Nanotubes (SWCNTs) wrapped with single-stranded DNA are exposed to singlet oxygen the singlet oxygen reacts with the guanine nucleotides embedded in the DNA. The singlet oxygen is produced by irradiation of a photosensitizer. However,...

  10. neha rai

    https://nanohub.org/members/126462

  11. Neilalohith Sharma

    https://nanohub.org/members/257041

  12. New Dimension in Performance: Harnessing 3D Integration Technology

    out of 5 stars 

    29 Nov 2007 | | Contributor(s):: Kerry Bernstein

    Despite generation on generation of scaling, computer chips have remained essentially 2-dimensional. Improvements in on-chip wire delay, and in the total number of inputs and outputs has not been able to keep up with improvements to the transistor, and its getting harder and harder to hide it! 3D...

  13. ninithi

    out of 5 stars 

    13 May 2010 | | Contributor(s):: Chanaka Suranjith Rupasinghe, Mufthas Rasikim

    ninithi which is a free and opensource modelling software, can be used to visualize and analyze carbon allotropes used in nanotechnology. You can generate 3-D visualization of Carbon nanotubes, Fullerenes, Graphene and Carbon nanoribbons and analyze the band structures of nanotubes and graphene.

  14. Oligodeoxyribonucleotide Association with Single-Walled Carbon Nanotubes

    out of 5 stars 

    02 Aug 2007 | | Contributor(s):: Jennifer McDonald

    Commercially available single-walled carbon nanotubes (SWCNTs) tend to aggregate as ropes and bundles during production making them of little use in many scientific and industrial applications. An effective technique for dispersing and solubilizing SWCNTs is required to fully utilize their unique...

  15. On the Reliability of Micro-Electronic Devices: An Introductory Lecture on Negative Bias Temperature Instability

    out of 5 stars 

    28 Sep 2005 | | Contributor(s):: Muhammad A. Alam

    In 1930s Bell Labs scientists chose to focus on Siand Ge, rather than better known semiconductors like Ag2S and Cu2S, mostly because of their reliable performance. Their choice was rewarded with the invention of bipolar transistors several years later. In 1960s, scientists at Fairchild worked...

  16. Optical Property of Single Wall Carbon Nanotube

    20 Aug 2022 | | Contributor(s):: Usha Devathosh, Rice University

    What are the optical properties of Single-Walled Carbon Nanotubes? Single-wall carbon nanotubes (SWCNTs) are 1D cylindrical nanomaterials that resemble a rolled up graphene sheet and have many interesting properties, including the strong fluorescence emission of semi-conducting SWCNTs in the...

  17. Optimization of Transistor Design for Carbon Nanotubes

    out of 5 stars 

    20 Jan 2006 | | Contributor(s):: Jing Guo

    We have developed a self-consistent atomistic simulator for CNTFETs.Using the simulator, we show that a recently reported high-performanceCNTFET delivers a near ballistic on-current. The off-state, however, issignificantly degraded because the CNTFET operates like anon-conventional Schottky...

  18. Oxygen Sensitivity of Single Walled Carbon nanotubes

    27 Mar 2023 | | Contributor(s):: Brian Demczyk

    Demonstrates oxygen adsorption capabilities of single walled carbon nanotubes.

  19. Oyedamola Andrew Asiyanbola

    https://nanohub.org/members/216065

  20. Prakhar Gupta

    https://nanohub.org/members/71891