Potential applications of carbon nanotubes

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In the News (Sun 6 Dec 09)

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	Carbon nanotubes, materials for the future
		For example, via thermal decomposition of hydrocarbons, one can magically grow nanotubes in the form of "telephone cords" or "nanosprings" (potentially suitable for nanomechanical applications), but the understanding of their synthesis is only at an empirical level.
		The future for nanotube looks very bright: Nanotubes are interesting model systems for fundamental studies of one-dimensional systems, but they are equally well (or even more) attractive for applied researchers and industry due to the wide variety of their potential applications.
		Besides the conventional forms of carbon, the graphite and the diamond, new forms of carbon have been discovered: fullerenes, carbon nanotubes, carbon onions.
	www.europhysicsnews.com /full/09/article3/article3.html (2883 words)

	Carbon Nanotube Manufacturing on a Commercial Scale - Ready for Mass-Markets
		The anti-static properties of carbon nanotube coatings may also have potential applications in packaging.
		As the research into these applications moves out of the lab and into industry it is important that the supply of carbon nanotubes is consistent, of high quality and performed under the appropriate regulatory and health and safety protocols.
		The use of low loadings of carbon nanotubes should increase the speed of thermal dissipation from a coating or resin allowing for a much faster curing time.
	www.azonano.com /details.asp?ArticleID=1108 (2391 words)

	Advance Nanotech - Portfolio - Materials
		Inovus is using carbon nanotubes for novel applications in liquid crystal displays and holography.
		Recently particular attention has been paid to the potential of carbon nano tubes to enhance the properties of polymers.
		Inovus Materials is exploiting the benefits of carbon nano tubes to greatly improve the viewing experience of liquid crystal displays and for new applications in holography.
	www.advancenanotech.com /materials_group.html (2391 words)

	On Lisa Rein's Radar: Carbon Microtubules for everyone (This round's on me!)
		Carbon nanotubes have the potential to significantly change the world of electronics over the next decade.
		Nanotube research has helped raise the profile of nanoscale materials and their commercial applications, which could include minuscule biological sensors and light-emitting diodes, fuel cell electrodes, and many others.
		Phaedon Avouris of IBM Research says that nanotubes can be fashioned into transistors that are superior in performance to silicon-based transistors.
	www.onlisareinsradar.com /archives/000160.php (2391 words)

	Carbon Nanotubes and Fullerenes
		Carbon nanotubes/ Fullerenes, have been viewed as a potential hydrogen storage medium for some time.
		Applied Nanotech, Inc {Not to be confused with Applied Nanotechnologies, another nanotech upstart} Applied Nanotech, Inc is a subsidiary of Nano-Proprietary is producing new carbon nanotube composites with significantly improved properties for electron field emission applications.
		Carbon Nanotubes also known as "buckytubes" are molecules made from carbon atoms.
	www.geocities.com /aardduck/nano_tubes.html (2391 words)

	Nanotechnology Website
		"Applications of Carbon Nanotubes for Human Space Exploration" Brad Files, Proceedings of NanoSpace 98, November 1998, Houston, TX "Optical Measurements in Production of Single Wall Carbon Nanotubes by Laser Ablation," Sivaram Arepalli and Carl D. Scott, proceedings of NanoSpace 98, The International Conference on Integrated Nano/Microtechnology for Space Applications, Houston, TX, Nov. 1-6, 1998.
		The great potential of single-wall carbon nanotubes (SWNTs) is limited by our inability to produce large quantities.
		Carbon nanotubes are produced from vapors of carbon containing a small amount of nickel and yttrium catalysts. An electric arc vaporizes an anode containing the catalysts.
	mmptdpublic.jsc.nasa.gov /jscnano (2391 words)

	Chemical & Engineering News: Cover Story - Inorganic Menagerie
		Delving into the periodic table, these scientists are finding that nanotubes made from inorganic materials have intriguing properties quite different from those of their all-carbon cousins and a range of potential applications.
		All the inorganic nanotube researchers who spoke with CandEN agree that inorganic nanotubes, long overshadowed by their carbon cousins, are finally being recognized for their potential in nanotechnology.
		Most applications of inorganic nanotubes, however, are still in the early stages of development, with commercial products a distant goal.
	pubs.acs.org /cen/coverstory/83/8335inorganic.html (2963 words)

	Nanotubes, NanoTechWire.com - The online resource for Nano Technology And Research
		Carbon nanotubes---a hot nanotechnology with many potential uses---may find one of its quickest applications in the next generation of standards for optical power measurements, which are essential for laser systems used in manufacturing, medicine, communications, lithography, space-based sensors and other technologies.
		The chip maker is stepping up its research on carbon nanotubes, tiny tubes of rolled-up carbon hexagons, one field of the emerging science of nanotechnology.
		Smaller, faster computers, bullet proof t-shirts and itty-bitty robots, such are the promises of nanotechnology and the cylinder-shaped collection of carbon molecules known as nanotubes.
	nanotechwire.com /news_list.asp?ntid=133 (2963 words)

	Nanotubes - Present and Future Uses
		Nanotube flat display devices: One of the many promising types of applications for carbon nanotubes is flat electronic display devices.
		In 1999 Ulvac Japan Ltd developed a process for growing carbon nanotubes which are both aligned vertically and located at the desired locations on base plates of field emission displays (FED).
		There are many current and future applications for nanotubes because of their unique range of properties, (which can be altered simply by altering the molecule slightly), these include:
	www.chm.bris.ac.uk /webprojects2001/andrews/nanotubes-uses.html (2963 words)

	NewsFactor Network - Science & Innovation - Nano Fabric May Make Computers Thinner
		Graphene may share a diversity of potential applications comparable to those that nanotubes demonstrate.
		"As carbon nanotubes are basically made from rolled-up narrow strips of graphene, any of the thousands of applications currently considered for nanotubes-- renowned for their unique properties -- can also apply to graphene itself," Geim explained.
		Using graphite crystals, a team led by Professor Andre Geim at the University of Manchester extracted individual ultra-thin sheets of carbon atoms.
	www.newsfactor.com /story.xhtml?story_id=28525 (2963 words)

	Density Functional Theory
		While DFT in principle gives a good description of ground state properties, practical applications of DFT are based on approximations for the so-called exchange-correlation potential.
		The success of density functional theory (DFT) not only encompasses standard bulk materials but also complex materials such as proteins and carbon nanotubes.
		For N electrons in a solid, which obey the Pauli principle and repulse each other via the Coulomb potential, this means that the basic variable of the system depends only on three -- the spatial coordinates x, y, and z -- rather than 3*N degrees of freedom.
	www.physics.ohio-state.edu /~aulbur/dft.html (396 words)

	Job Opportunites Page
		Candidates for this position in Engineering Design and Mechanics must have a Ph.D. in mechanical engineering, or a closely related field, and must have demonstrated ability or potential for excellence in teaching, research, graduate student supervision, verbal and written communication, and collaboration with colleagues with engineering and non-engineering backgrounds.
		The College of Engineering at The University of Akron is inviting applications for the position of design faculty in Mechanical Engineering.
		Preferred candidates should have related education and experience in carbon fiber conversion processes, including a Ph.D. degree in an appropriate field of science or engineering.
	www.memagazine.org /contents/current/jobs/jobs.html (6972 words)

	NanoCraft, Inc - NCI - "Revolutionizing the Creation of Carbon Nanoproducts"
		MWNT-A exhibit the highest resistance against oxidation of all MWNTs with its maximum oxidation rate at 785 degrees C. MWNT-A are packaged in powder form ready for immediate use in TEM evaluation or application into catalytic, structural or electrical applications.
		NanoCraft, Inc manufactures electric arc multi wall carbon nanotubes, MWNT-A. Electron microscope analysis TEM microphotographs reveal the nanotubes are 5 to 20 nm in diameter and 300 nm to 2000 nm long.
		MWNT-A have a uniquely wide range of applications including absorption, filtration, lubrication, super-capacitors, storage of methane, methanol fuel cells support, biomedical, field emission, adhesives, composites, electrical and much more.
	www.nanocraftinc.com /products.html (6972 words)

	Mass High Tech
		Nantero uses carbon nanotubes for the development of several different products based on its NRAM technology.
		The company this year teamed with LSI Logic Corp. to develop semiconductor process technology to increase the use of carbon nanotubes in CMOS (Complimentary Metal Oxidize Semiconductor) fabrication.
		Funding will be used for the continuing development of NRAM and to support development of additional products that the company can build using nanotubes.
	www.masshightech.com /displayarticledetail.asp?Art_ID=68049 (353 words)

	Background
		Nanotubes: Discovered in 1991 by Sumio Iijima of NEC Corporation, Carbon Nano Tubes are an exotic variation of common graphite.
		Kate Wong/Materials Science: Scientific American: News in brief: The Tiniest Carbon Nanotubes: http://www.com/news/110600/4.html
		The tubular structure imparts mechanical and electronic properties including super strength, combined with low weight, stability, flexibility, large surface area etc., Potential applications include transistors and diodes, field emitter for flat-panel displays, Cellular-phone signal amplifier, Ion storage for batteries and materials strengthener, Nanotube based super capacitors and electrochemically driven artificial muscles.
	www.elcot.com /nano/nanofabrication.htm (353 words)

	Fool.com: Nanotech: The Small Revolution [Rule Breaker] March 26, 2002
		Much nanotech research concerns carbon nanotubes, "fibers 100 times stronger than steel at only one-sixth the weight," according to Nobelist Richard Smalley, former director of the Center for Nanoscale Science and Technology at Rice University.
		If Zyvex could be the Applied Materials of nanotech, that holds enormous potential, but I imagine that as Rule Breaker investors we would be looking for at least the potential for consumer products.
		Smalley and others see enormous potential for nanotubes to store hydrogen fuel.
	www.fool.com /portfolios/RuleBreaker/2002/rulebreaker020326.htm (1473 words)

	Nano-Sized Bearings, Switches And Probes Crafted For Micromachines
		The unique mechanical and electrical properties of MWNTs -- they are chemically inert, stronger than steel, and can be made into insulators, conductors, semiconductors, or even superconductors -- opens the door to their potential use in a wide variety of applications providing they can be engineered into an appropriate shape.
		Because each individual wall of carbon atoms in a MWNT is likely to acquire a slightly different chirality (geometric configuration) when it is rolled into a cylinder, the energy barrier to rotation is also very small.
		The absence of friction results from the surfaces between the outer and inner nanotubes being atomically perfect and the spacing between them too narrow to accommodate grit.
	www.lbl.gov /Science-Articles/Archive/nanobearings.html (1473 words)

	fischer.html
		Fischer’s group studies the fundamental properties and potential applications of this new class of materials.
		Experiments are designed to provide fundamental understanding of structure-property relations and to illuminate potential applications.
		“Thermoelectric power of p-doped single-wall carbon nanotubes and the role of phonon drag”, J. Vavro, M. Llaguno, J. Fischer, S. Ramesh, R. Saini, L. Ericson, V. Davis and R. Smalley, Phys.
	www.seas.upenn.edu /mse/fac/fischer.html (1473 words)

	Hongjie Dai Laboratory
		Indeed, surface phenomena are critical to the fundamental properties of nanotubes and their potential applications.
		A single-walled nanotube consists of carbon atoms only at its surface, a simple fact that has led us to the areas of surface science.
		Functionalization of nanotubes by antibodies, antigens, DNA and other biological molecules
	www.stanford.edu /dept/chemistry/faculty/dai/group/research5.html (1473 words)

	The research activity of the Polymeric and Mesomorphic Materials group covers several aspects of the molecular, mesoscopic (na
		Nematic nanotube gels and active viscoelastic materials: Isolated carbon nanotubes possess remarkable mechanical properties and most of their potential materials applications require collective alignment of the nanotubes in some matrix.
		The research activity of the Polymeric and Mesomorphic Materials group covers several aspects of the molecular, mesoscopic (nano and micro scale) and macroscopic properties and behaviour of soft materials and complex fluids, namely polymer liquid crystals and biomaterials.
		Within this framework we will also address the problem of blood-wall vessel interaction at the mesoscopic scale in order to get new insight on the formation and rupture of saccular aneurysms in the cerebrovascular system.
	campus.fct.unl.pt /polinova/MPM%20nanoscale-systems%20research.htm (1473 words)

	Multiwall Carbon Nanotubes: Synthesis and Composite Applications
		Product yield is found to increase with reaction temperature and carbon partial pressure, while reaction time passes through a maximum after which amorphous carbon is primarily formed in favor of MWNT.
		Polystyrene-nanotube composites were prepared using these chemically modified multiwalled carbon nanotubes and unmodified MWNT for comparison.
		This suggests that the interaction between the nanotube and the polymer matrix has been significantly enhanced by the chemical treatment, and presents a path to super-strong composite materials based on carbon nanotubes.
	www.foresight.org /Conferences/MNT10/Abstracts/Andrews/index.html (1473 words)

	Smart Sensors and Systems
		However, the spectacular, world changing applications of MEMS are still in the future and imply a viewpoint shift in the approach to MEMS and their technology.
		Summary: Embedded Networked Sensing Systems, commonly referred to as sensor networks, will become a pervasive resource for society - they will monitor contaminants in soil, air and water; support detailed characterization of carbon cycling and endangered ecosystems; and serve as early warning systems for critical civil infrastructure.
		As a result, MEMS will also incorporate functional nano devices such as nanotubes and nanosystems might replace Microsystems for certain applications in the future.
	www.nsti.org /Nanotech2005/symposia/smartmems.html (904 words)

	C&EN: LATEST NEWS - A Tube Of Tubes
		The group’s report highlights potential high-volume applications, such as petroleum and water filtrations, but Ajayan admits that because of costs, the filters probably won’t be used in those areas.
		It’s easy to see why Srivastava and Ajayan would think of carbon nanotubes as ideal building blocks for membranes and filters.
		Ajayan says that, in terms of size, the group is limited by what can be set up in the lab.
	pubs.acs.org /cen/news/8232/8232earlysci1.html (904 words)

	Welcome to Eikos
		In announcing the investment, Itochu International Inc. President and CEO Hiroshi Kitamura said, “Eikos is focused on developing innovative technologies and applications for high performance materials using carbon nanotubes which we believe has great potential.
		Itochu International Inc. is the North American subsidiary of Itochu Corp, one of Japan’s leading companies.
		“This is an exciting time for Eikos, having recently announced the Takiron License agreement and now, this financial endorsement from Itochu, one of the world’s largest companies,” explains Eikos CEO Joe Piche.
	www.eikos.com /news/news_itochu.html (372 words)

	What is Materials Science and Engineering
		Carbon nanotubes are quickly emerging as a potential material to help sense bacteria, chemicals, and other dangers in the food we eat and the air we breathe.
		Materials engineers and scientists study the interplay of different materials' structure, performance, properties, and synthesis, otherwise known as the materials pyramid, with the goal of designing and producing new materials and new applications of materials that perform in predictable ways.
		Materials engineers may be asked to develop materials in order to fulfill a requirement of a public policy.
	ceramicmaterials.rutgers.edu /about.php (1144 words)

	Micro
		The measurement results can advance the understanding of transport mechanisms in nanostructures, and can be used to evaluate the potential electronic, optoelectronic, thermoelectric, and sensor applications of these nanostructures.
		Different from the diffusive transport nature in a classical conductor, ballistic electron-phonon transport is expected for transistors with a sub-100 nm channel length, and has been observed in carbon nanotube (CNT) devices.
		This project aims to develop a Scanning Thermal Microscopy (SThM) method for quantitative nanoscale thermal imaging of nanotransistors.
	www.me.utexas.edu /~lishi/Group_pages/area2.htm (1144 words)

	Non covalent functionalization of carbon nanotubes for potential nanobiotechnology applications
		Non covalent functionalization of carbon nanotubes for potential nanobiotechnology applications
		Laboratoire de synthese bioorganique - Faculté de Pharmacie 74 route du Rhin F-67401 Illkich - France & CEA/Saclay, SMMBC - bat.
	materials.ipicyt.edu.mx /~nt04-abstracts/I17.html (1144 words)

	Heat Transport in Nanowire Arrays
		Except for carbon nanotubes, 1-D structures have received minimal attention but show promising potential as components in future nanotechnological applications.
		Figure 1 and Figure 4 are scanning electron microscope pictures of a ZnO nanowire array grown using a chemical synthesis technique using a vapor-liquid solid (VLS) process.
		Ongoing research involves using the 3-omega method to measure the thermal conductivity of the nanowire arrays.
	www.nano.me.berkeley.edu /research/nano-thermal/nanowire_array_ht.htm (181 words)

	Harvard Physics Department Faculty - Charles Marcus
		Much of this work has focused on clean, ballistic semiconductor structures, such as chaotic quantum dots, with more recent work emphasizing novel fabrication approaches and systems, effects of electron spin, measurements of electron decoherence, and potential applications of nanostructures to quantum information and quantum computing.
		Biercuk, N. Mason, J. Martin, A. Yacoby, C. Marcus, "Anomalous Conductance Quantization in Carbon Nanotubes", Phys.
		J. Petta, A. Johnson, C. Marcus, M. Hanson, A. Gossard, "Manipulation of a Single Charge in a Double Quantum Dot", Phys.
	www.physics.harvard.edu /people/facpages/marcus.html (283 words)

	NSF-MRSEC Advanced Carbon Materials Center --Publications
		Jagtoyen, M. and Derbyshire, F. "Application of potential or current cross activated carbon fiber composites to enhance adsorption of polar and charged compounds." Patent pending.
		Derbyshire, F.; Jagtoyen, M.; Andrews, R.; Rao, A.M.; Martin-Gullon, I.; Grulke, E. "Carbon Materials in Environmental Applications," Chemistry and Physics of Carbon, L. Radovic, ed., 27, New York: Marcel Dekker, 2001.
		Jorio, A.; Dresselhaus, G.; Dresselhaus, M.S.; Souza, M.; Dantas, M.S.S.; Pimenta, M.A.; Rao, A.M.; Saito, R.; Lui, C.; Cheng, H. "Polarized Raman Study of Single Walled Semiconducting Carbon Nanotubes" Phys.
	www.mrsec.uky.edu /pubs/pubs.htm (283 words)

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Topic: Potential applications of carbon nanotubes

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