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Chemical Reactions on Nanoparticle Surface are More Complex than Thought


Chemical Reactions on Nanoparticle Surface are More Complex than Thought
Written by AZoNanoMay 24 2021
A majority of commercially available chemicals are created with the help of catalysts. Generally, such catalysts contain very small metal nanoparticles that are positioned on an oxidic support.
(a) Modern catalysts consist of nanoparticles. (b) A Rhodium tip as a model for a nanoparticle. (c) Tracing a chemical reaction in real time with a field emission microscope. (d) At low temperatures, different facets oscillate in sync. (e) At higher temperatures, synchronicity is broken. Image Credit: Vienna University of Technology.
A catalytic nanoparticle is analogous to a cut diamond, the surface of which contains varied facets that are oriented in various directions. Besides this, the nanoparticle has crystallographically different facets and such facets can have varied chemical characteristics. ....

Gerhard Ertl , Yuri Suchorski , Institute Of Materials Chemistry , Vienna University Of Technology , Incorporated Oxygen Changes The Surface Behavior , Austrian Science Fund , Vienna University Of Technology Tu Wien , Nanoparticle Surface , More Complex , Vienna University , Nobel Prize , Materials Chemistry , Oxygen Changes , Study First Author , Professor Yuri Suchorski , Hemisphere Tip , ஜெர்ஹார்ட் ஏற்த்தல் , நிறுவனம் ஆஃப் பொருட்கள் வேதியியல் , வியன்னா பல்கலைக்கழகம் ஆஃப் தொழில்நுட்பம் , ஆஸ்திரேலிய அறிவியல் நிதி , வியன்னா பல்கலைக்கழகம் ஆஃப் தொழில்நுட்பம் து வீந் , மேலும் சிக்கலான , வியன்னா பல்கலைக்கழகம் , நோபல் ப்ரைஸ் , பொருட்கள் வேதியியல் , படிப்பு முதல் நூலாசிரியர் ,