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Nano News & Events
Industrial Nanotech, Inc. Introduces Ultra Thin High Performance Thermal Insulation Film for Cooling Personal Electronic Devices
Industrial Nanotech, Inc. (OTC PINK: INTK), a global leader in nanotechnology based energy saving solutions, today announced that the Company has developed an ultra thin high performance thermal insul...
Scientists have developed a first-of-its-kind method of creating a class of nanowires that one day could have applications in areas ranging from consumer electronics to solar panels.
<?xml version="1.0" encoding="UTF-8"?> Image: Stephan Hofmann Self-assembling nanowires could give them a role in touch-screen displays, smoke detectors, and other applications. Now researchers at the University of Cambridge in the UK in collaboration with IBM have developed a self-assembly process for nanowires that makes it possible to embed quantum dots within them, expanding their range of potential applications. “The key to building functional nanoscale devices is to control materials and their interfaces at the atomic level,” said Stephan Hofmann of the University of Cambridge and one of the paper’s senior authors, in a press release. “We’ve developed a method of engineering inclusions of different materials so that we can make complex structures in a very precise way.” The new self-assembly technique, which is described in the journal Nature Materials , is based on the typical process for producing nanowires: vapor-liquid-solid (VLS) synthesis. VLS offers a fast way for producing nanowires based on chemical vapor deposition. In VLS, chemical vapors disolve into a droplet of liquid catalyst. The chemicals crystalize at the base of the droplet, forming the nanowire, which pushes the catalyst up as it grows. Over the years, VLS has developed into a highly controlled process in which every detail of the nanowires from its size to its crystal structure can be precisely controlled. The Cambridge researchers were able to build upon the VLS technique by using the catalyst droplet as a “mixing bowl” to add materials that lead to new growth phases. These new phases take the shape of faceted nanocrystals, or quantum dots. “The technique allows two different materials to be incorporated into the same nanowire, even if the lattice structures of the two crystals don’t perfectly match,” said Hofmann. “It’s a flexible platform that can be used for different technologies.” The inclusion of quantum dots in the nanowires would seem to indicate potential optoelectronic applications, for which the nanocrystals are well known. For example, the researchers anticipate that these new nanowires could find use in semiconductor lasers and other light emitters.
Since the first 'Scotch tape' method - i.e. mechanical peeling - of making graphene was reported in 2004, researchers have come up with a variety of techniques for producing graphene. Since simply using the as-produced graphene flakes is not good enough for use in sophisticated applications, intricate patterning processes are essential for the development of the required graphene structures for use in nanoelectronic and optical devices. Usinf a novel method, researchers have now successfully grown graphene from neat polystyrene regions.
Aculon, Inc., a proven nanocoating supplier to the electronics industry, announces the launch of their NanoProof Series of PCB water & oil protection products.
An international team led by Princeton University scientists has discovered Weyl fermions, an elusive massless particle theorized 85 years ago. The particle could give rise to faster and more efficien...
A new multispectral microscope, one capable of processing nearly 17 billion pixels representing 13 individual color channels in a single image, has been successfully demonstrated by a team of research...
A solar cell that produces fuel rather than electricity. Researchers today present a very promising prototype.
II‐VI Incorporated ‐ II‐VI Advanced Materials, a world leading supplier of single crystal SiC (silicon carbide) substrates and CVD‐grown polycrystalline diamond materials,...
CVD Equipment Corporation, a leading provider of standard and custom chemical vapor deposition systems, today announced that it has received in excess of $13 Million in new orders during the quarter...
New research shows it is possible to test a candidate material quickly and directly, using off-the-shelf laser technology. The method bypasses the costly, time-consuming step of constructing a prototype solar cell for each material to be evaluated.