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The sp2 graphene selection

Scientists have shown that indium and indium(I) chloride can be successfully used for the selective removal of epoxide groups to regenerate the sp2-conjugated system of graphene oxide.

Posted: Feb 4th, 2014

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Dokumentation: Sicherer Umgang mit Nanomaterialien

Aktuelle Forschungsergebnisse machen deutlich: Nanomaterialien sind nicht allein aufgrund ihrer Kleinheit generell gefährlicher als gröber strukturierte Materialien. Dies zeigten Ergebnisse der Risikoforschung des Bundesministeriums für Bildung und Forschung, die im Technologiegespräch 'Sicherer Umgang mit Nanomaterialien' in Berlin vorgestellt wurden.

Posted: Feb 3rd, 2014

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Nanooptimierte Werkstoffe für ressourceneffizienteres Bauen

Neue Werkstoffe und Nanotechnologie sind wichtige Innovationstreiber, um Technologien im Bauwesen ressourcen- und energieeffizienter zu gestalten sowie den Komfort und Nutzwert von Gebäuden zu steigern. Die Präsentationen der Veranstaltung sind jetzt online im Internet verfügbar.

Posted: Feb 3rd, 2014

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Batteries with yolk-shell nanoparticles on graphene

Researchers have developed a template-free synthesis for hollow and yolk-shell iron oxide nanoparticles sandwiched between few-layer graphene sheets. The material's properties were evaluated as negative electrode material for lithium-ion batteries.

Posted: Feb 2nd, 2014

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Quantum dots provide complete control of photons

By emitting photons from a quantum dot at the top of a micropyramid, researchers at Linköping University are creating a polarized light source for such things as energy-saving computer screens and wiretap-proof communications.

Posted: Jan 31st, 2014

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Nanocatalyst helps a greenhouse gas turn over a new leaf

A team of researchers at the University of Delaware has developed a highly selective catalyst capable of electrochemically converting carbon dioxide to carbon monoxide with 92 percent efficiency. The carbon monoxide then can be used to develop useful chemicals.

Posted: Jan 31st, 2014

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