Catalysts: worth taking a closer look : vimarsana.com

Catalysts: worth taking a closer look


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IMAGE: From left to right: Favorites sites of oxygen: map of Rh oxidation, measured by Scanning Photoelectron Microscopy (SPEM); in situ Photoemission Electron Microscopy (PEEM) of catalytic hydrogen oxidation on Rh;...
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Credit: TU WIen
Metal surfaces play a role as catalysts for many important applications - from fuel cells to the purification of car exhaust gases. However, their behaviour is decisively affected by oxygen atoms incorporated into the surface.
This phenomenon has been known for a long time, but until now it has not been possible to precisely investigate the role of oxygen in complex surfaces point by point in order to understand the chemical background at the atomic level. This has now been achieved at TU Wien in cooperation with a team from the Elettra Synchrotron in Trieste. It became possible to explain why in previous studies partly contradictory results had been obtained: the oxygen atoms are not distributed evenly, but settle down particularly easily in very specific places.

Related Keywords

Philipp Winkler , Yuri Suchorski , Institute Of Materials Chemistry , Institute For Materials Chemistry , Elettra Synchrotron , Materials Chemistry , Chemistry Physics Materials Sciences , Industrial Engineering Chemistry , Materials , பிலிப் விங்க்லர் , நிறுவனம் ஆஃப் பொருட்கள் வேதியியல் , நிறுவனம் க்கு பொருட்கள் வேதியியல் , பொருட்கள் வேதியியல் , வேதியியல் இயற்பியல் பொருட்கள் அறிவியல் , தொழில்துறை பொறியியல் வேதியியல் , பொருட்கள் ,

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