Nanotechnology News – Latest Headlines

How to choose a catalyst

MIT researchers provide a simple principle to predict which materials will perform best in fuel cells and metal air batteries.

Jun 14th, 2011

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Nanodiamonds enable progress in retinal prostheses

Research groups in several countries are making progress in retinal prosthesis development. If they achieve their aims, patients who have gone blind, due to loss of their photoreceptors, could recover a better simplified form of vision than with available prostheses. One of the groups shows that diamonds could lead the way.

Jun 13th, 2011

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Seeding method allows functionalized metal-organic frameworks to be grown rapidly with precise structural control

Metal-organic frameworks (MOFs) are highly porous, ordered networks consisting of inorganic centers linked by organic moieties. Their large surface areas make them attractive for various uses including catalysis, gas storage, and as filtration and purification membranes. Such industrial applications, however, require large-scale, well-controlled synthetic routes, which for MOFs have proved difficult to achieve. Dario Buso and Paolo Falcaro from the CSIRO in Australia have now led a group of researchers in developing a seeding method that can trigger MOF formation in a spatially controlled way whilst simultaneously allowing functionalization of the framework.

Jun 13th, 2011

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Resistive memory built with exposed, planar nanowires provides insights into resistive switching

Resistive memory is known to rely on the formation and destruction of nanoscale, filamentary conductive pathways between the electrodes. However, the exact nature of these pathways is not completely understood, particularly for materials in which positive charge carriers are responsible for conduction, known as 'p-type' materials. Takeshi Yanagida, Tomoji Kawai and colleagues at Osaka University in Japan and Konkuk University in Korea have now revealed key details of resistive switching in p-type devices.

Jun 13th, 2011

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