Search results for "carbon"

  • Catalysis: Going for gold

    About Overview Organization & Management Strategy Open Positions Access Research Researchers & L... talyst proves useful in the selective reduction of carboncarbon triple bonds to double bonds Alkynes can be... l group (consisting of a C–OH moiety with a single carbon–oxygen bond) to a carbonyl group (a double-bonded ... lective hydrogenation of alkynes to alkenes, where carboncarbon triple bonds are reduced to double bonds (s...
  • Interfaces: An in-depth picture

    About Overview Organization & Management Strategy Open Positions Access Research Researchers & L... hlights Interfaces: An in-depth picture 05/31/2010 Carbon atoms are important for creating efficient metalli... are circled in yellow, and silicon atoms in green. Carbon atoms, shown as white dots, are not evident in the... in the semiconductor (SiC). In one case, however, carbon atoms, not visible in the STEM image because of th...
  • Stacking on the graphene

    About Overview Organization & Management Strategy Open Positions Access Research Researchers & L... tists realized they had isolated a single layer of carbon atoms on a scotch tape used to clean a graphite cr... an excellent conductor of electricity. Graphene's carbon atoms are arranged into hexagons, forming a honeyc... ranged in one of two positions: the centres of the carbon hexagons of each layer can be organized immediatel...
  • Electrocatalysis: Graphene catalyst splits water

    About Overview Organization & Management Strategy Open Positions Access Research Researchers & L... te hydrogen gas from water. © 2017 Yoshikazu Ito A carbon-based material has been transformed into a catalys... ectrode is based on graphene — atom-thin sheets of carbon atoms that are strong, flexible and electrically c... s added different mixtures of gases that contained carbon, hydrogen, sulfur, nitrogen or phosphorus. When he...
  • World-leading WPI initiative showcases materials science innovation at E-MRS Spring Meeting

    About Overview Organization & Management Strategy Open Positions Access Research Researchers & L... onics to tiny biological superhighways and beaming carbon-based transistors, researchers from the Advanced I... erial Sciences and the International Institute for Carbon-Neutral Energy Research — shared their latest rese... fining the kinesin motors to narrow tracks made of carbon nanotubes. Looking ahead, Sikora believes that usi...
  • Ambitious researchers explore the future of materials science

    About Overview Organization & Management Strategy Open Positions Access Research Researchers & L... esearchers at the AIMR plan to usher in a post-nanocarbon era, and create a new science of spin beyond spint... excited about the prospect of entering a post-nanocarbon era in materials research. Organic chemist Hiroyuk... be, you have said that we are entering a ‘post-nanocarbon era'. Could you elaborate on what you mean by this...
  • Sustainable chemistry: Made of greener stuff

    About Overview Organization & Management Strategy Open Positions Access Research Researchers & L... tallic glasses eliminates leaching problems during carbon coupling reactions A nanoporous palladium material... ic molecules to connect through the formation of a carboncarbon bond is never straightforward. The discover... ased ‘metallic glass' that can repeatedly catalyze carbon coupling reactions with negligible leaching of the...
  • Graphene: Opening up for the hydrogen economy

    About Overview Organization & Management Strategy Open Positions Access Research Researchers & L... revealed how exposing graphene sheets — layers of carbon just one atom thick — to hydrogen gas under contro... s. However, inserting lightweight hydrogen between carbon sheets requires careful adjustment, notes Katsuaki... t in pristine samples a new buffer layer of meshed carbon atoms appeared between the outer graphene sheet an...
  • Solar energy conversion: Full steam ahead for 3D graphene

    About Overview Organization & Management Strategy Open Positions Access Research Researchers & L... nto 3D frameworks. They deposited atomically thick carbon and nitrogen dopants onto smooth, nanoporous nicke... 24 per cent jump in efficiency compared to that of carbon powders. High-resolution microscopy and thermal tr... dopants helped water droplets stick closer to the carbon heat source, raising the evaporation rate (see ima...
  • Catalysis: Pinning down degradation

    About Overview Organization & Management Strategy Open Positions Access Research Researchers & L... rface defects suppress catalyst degradation during carbon monoxide oxidation Gold atoms migrate at right ang... ' interface (yellow lines) during the oxidation of carbon monoxide on nanoporous gold. Foreground: Modified ... he thermodynamically challenging transformation of carbon monoxide (CO) into carbon dioxide. However, the me...