Sentences with phrase «ruthenium atoms»
Spreading single ruthenium atoms across a sheet of graphene, the atom - thick form of carbon, turned out to be fairly straightforward, Tour said.
https://www.sciencedaily.com/
Rice University scientists have fabricated a durable catalyst for high - performance fuel cells by attaching single ruthenium atoms to graphene.
Baking that at 750 degrees Celsius (1,382 degrees Fahrenheit) in the presence of nitrogen and hydrogen gas reduced the graphene and locked nitrogen atoms to the surface, providing sites where ruthenium atoms could bind.
Electrons from a scanning tunneling microscope tip turn a five - arm rotor connected via a single ruthenium atom bearing to a tripod anchoring the molecular motor to a gold surface.
Not exact matches
«Ruthenium rules for new fuel cells: Project disperses single atoms on graphene to match platinum standard.»
«Ruthenium is often a highly active catalyst when fixed between arrays of four nitrogen atoms, yet it is one - tenth the cost of traditional platinum,» Tour said.
Meyer, a chemist at University of North Carolina at Chapel Hill and director of its Energy Frontier Research Center in Solar Fuels, noticed that two separate groups of researchers working on two separate parts of the photosynthetic reaction happened to be using the same class of catalyst — ones with an atom of the metal ruthenium surrounded by organic molecules.