News tagged with platinum atoms


First atomic–scale compositional images of fuel-cell nanoparticles

First atomic–scale compositional images of fuel-cell nanoparticles

Nanotechnology / Nanomaterials

created Oct 02, 2008 | popularity 4.6 / 5 (12) | comments 0

(PhysOrg.com) -- In a step toward developing better fuel cells for electric cars and more, engineers at MIT and two other institutions have taken the first images of individual atoms on and near the surface ...


Catalytic Catamarans: Common industrial catalyst sports rafts made of platinum

Catalytic Catamarans: Common industrial catalyst sports rafts made of platinum

Chemistry / Materials Science

created Sep 24, 2009 | popularity not rated yet | comments 0

Catalysts convert useless or unwanted chemicals into useful or more desirable ones. Research in this week's Science reveals new, important details about a common catalyst: how rafts of chemically reactive platin ...





Search results for platinum atoms


Platinum nanocatalyst could aid drugmakers

Nanotechnology / Bio & Medicine

created Aug 31, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- Nanoparticles combining platinum and gold act as superefficient catalysts, but chemists have struggled to create them in an industrially useful form. Rice University chemists have answered the call this week ...


New fuel cell

Replacing Platinum in Fuel Cell Technology

Chemistry / Materials Science

created Oct 20, 2009 | popularity 2.8 / 5 (5) | comments 6

(PhysOrg.com) -- One of the biggest hindrances to the development of fuel cell technology is its cost. In order to work properly, polymer electrolyte fuel cells require a catalyst. So far, though, the most ...


Going platinum: New catalyst could boost cleaner fuel use

Going platinum: New catalyst could boost cleaner fuel use

Nanotechnology / Nanomaterials

created May 14, 2009 | popularity 4.1 / 5 (23) | comments 5

(PhysOrg.com) -- Material scientists at Washington University in St. Louis have developed a technique for a bimetallic fuel cell catalyst that is efficient, robust and two to five times more effective than ...


Gold Nanoparticles Delivery Platinum Warheads to Tumors

Nanotechnology / Bio & Medicine

created Oct 29, 2009 | popularity 4.9 / 5 (7) | comments 2

(PhysOrg.com) -- Cisplatin is one of the most powerful and effective drugs for treating a wide variety of cancers, but serious side effects ultimately limit the drug's use and effectiveness. Now, however, researchers have ...


Smaller isn't always better: Catalyst simulations could lower fuel cell cost

Chemistry / Materials Science

created Sep 17, 2009 | popularity 5 / 5 (2) | comments 0

(PhysOrg.com) -- Imagine a car that runs on hydrogen from solar power and produces water instead of carbon emissions. While vehicles like this won't be on the market anytime soon, University of Wisconsin-Madison researchers ...


Platinum cages: Liposomes as blueprints for hollow platinum nanospheres

Nanotechnology / Nanomaterials

created Nov 02, 2006 | popularity 3.8 / 5 (12) | comments 0

It looks like lather under an electron microscope: American researchers have successfully produced porous, nanoscopic, hollow platinum spheres by using liposomes as blueprints.


Researchers discover way to see how a drug attaches to a cell

Researchers discover way to see how a drug attaches to a cell

Nanotechnology / Bio & Medicine

created Nov 13, 2006 | popularity 4.2 / 5 (36) | comments 0

Sandia National Laboratories researchers John Shelnutt and Yujiang Song have discovered a better way to see where a drug attaches to a cell through a new process that produces novel hollow platinum nanostructures.


Platinum-rich shell, platinum-poor core

Nanotechnology / Nanomaterials

created Oct 23, 2007 | popularity 4.3 / 5 (35) | comments 0

Hydrogen fuel cells will power the automobiles of the future; however, they have so far suffered from being insufficiently competitive. At the University of Houston, Texas, USA, a team led by Peter Strasser has now developed ...


Scientists Discover Gold Clusters Stabilize Platinum Electrocatalysts For Use in Fuel Cells

Scientists Discover Gold Clusters Stabilize Platinum Electrocatalysts For Use in Fuel Cells

Physics / General Physics

created Jan 12, 2007 | popularity 4.7 / 5 (39) | comments 0

Platinum is the most efficient electrocatalyst for accelerating chemical reactions in fuel cells for electric vehicles. In reactions during the stop-and-go driving of an electric car, however, the platinum ...


UIC and Japanese chemists close in on molecular switch

Chemistry /

created Jul 10, 2007 | popularity 4 / 5 (10) | comments 0

The electronics industry believes that when it comes to circuits, smaller is better -- and many foresee a future where electrical switches and circuits will be as tiny as single molecules.



List of search results for platinum atoms