«We've been able to specifically identify an important site for the anchoring of platinum on
the aluminum oxide surface that's formed during synthesis,» said PNNL chemist Chuck Peden and coauthor of the study.
Not exact matches
The researchers opted for
aluminum oxide (Al2O3) since it can form immediately on any kind of
surface.
Led by Andrei Faraon, assistant professor of applied physics and materials science in the Division of Engineering and Applied Science and a member of the Kavli Nanoscience Institute, the team developed silicon
oxide and
aluminum surfaces studded with tens of millions of tiny silicon posts, each just hundreds of nanometers tall.
When the researchers looked under the microscope at catalyst material formed with alpha -
aluminum oxide, platinum atoms formed balls that tottered around on the
surface instead of tidy rafts.
Labor intensive hand sanding with fine grit
aluminum oxide paper between sprayed coats of paint creates an incredibly smooth
surface.
The first component is our patented ScratchGuard Advanced
surface protection, which is comprised of a melamine resin enriched with
aluminum oxide particles for enhanced scratch and scuff protection.