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Nanotechnology General News

The latest news from academia, regulators
research labs and other things of interest

Novel 3D integration process flow: backside 'soft' via reveal

Imec presents a via-middle through-Si-via (TSV) approach to 3D stacking. This method is new to industry as it allows to 'reveal' TSV contacts by using a Si-etch process. The process further allows thinning down the wafers to 50um with a total thickness variation of less than 2um.

Posted: Mar 16th, 2012

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Process makes polymers truly plastic

Just as a chameleon changes its color to blend in with its environment, Duke University engineers have demonstrated for the first time that they can alter the texture of plastics on demand, for example, switching back and forth between a rough surface and a smooth one.

Posted: Mar 15th, 2012

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Nano-imprinted photonic structures improve efficiency of silicon solar cells

Imec has successfully fabricated crystalline silicon solar cells including 2D periodic photonic nanostructures made with nano-imprint lithography. The result was an improvement in energy-conversion efficiency, compared to unpatterned cells, through a better absorption of the light spectrum. The technique shows a path to further reducing the thickness of solar cells while keeping the efficiency as high as possible.

Posted: Mar 15th, 2012

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Graphene supercapacitor holds promise for portable electronics

UCLA researchers from the Department of Chemistry and Biochemistry, the Department of Materials Science and Engineering, and the California NanoSystems Institute demonstrate high-performance graphene-based electrochemical capacitors that maintain excellent electrochemical attributes under high mechanical stress.

Posted: Mar 15th, 2012

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Use of nanotechnology discussed by large cement companies

The Baskrete Initiative (Basque Country Initiative for Cement and Concrete Research), whose objective is to promote the implementation of nanotechnologies in the cement and concrete industry, organized a special seminar in San Sebastian on the 13 and 14 March where the sector's largest companies in the world, such as Cemex, Lafarge, Italcementi and the Bozzetto Group, attended.

Posted: Mar 15th, 2012

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Inner workings of magnets may lead to faster computers

Using the world's fastest light source -- specialized X-ray lasers -- scientists at the University of Colorado Boulder and the National Institute of Standards and Technology have revealed the secret inner life of magnets, a finding that could lead to faster and "smarter" computers.

Posted: Mar 15th, 2012

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Researchers create more efficient hydrogen fuel cells

Hydrogen fuel cells, like those found in some "green" vehicles, have a lot of promise as an alternative fuel source, but making them practical on a large scale requires them to be more efficient and cost effective. A research team from the University of Central Florida may have found a way around both hurdles.

Posted: Mar 15th, 2012

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New generation of flexible graphene transistors

Scientists have come up with a novel process for manufacturing transistors that combine flexibility and electron mobility and are capable of working at very high frequencies in the GHz range. The process uses a form of graphene in solution that is compatible with printing techniques. Electronic components such as these should lead to the development of high-performance electronic circuits built into everyday objects.

Posted: Mar 15th, 2012

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Nanomaterialien in REACh. Schafft die Registrierung Nachhaltigkeits-Innovationen durch Nanomaterialien?

Ein soeben veroeffentlichtes Diskussionspapier "Nanomaterialien in REACh. Foerdert die Registrierung Innovationen fuer Nachhaltigkeit durch Nanomaterialien?" beantwortet die im Titel gestellte Frage durch eine rechtswissenschaftliche Untersuchung der REACh-Vorschriften und eine darauf aufbauende Analyse der Anreiz- und Hemmnissituation potentieller Registranten von Nanomaterialien.

Posted: Mar 15th, 2012

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Microlens arrays from the test tube

Biomineralized tissues, such as sea shells and bones, grow in a genetically programmed way to obtain specific shapes and compositions, which define the unique functionalities. The growth of biominerals usually takes place in aqueous media at ambient conditions. Material scientists are keen to adapt this process from nature for a cost-efficient and simple fabrication of inorganic based materials.

Posted: Mar 15th, 2012

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