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Pd nanoparticle growth monitored by DRIFT spectroscopy of adsorbed CO

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Abstract

Synchrotron-based X-ray absorption spectroscopy and scattering are known in situ probes of metal nanoparticles (NPs). A limited number of laboratory techniques allow post-synthesis diagnostics of the active metal surface area. This work demonstrates the high potential of infrared spectroscopy as an in situ laboratory probe for the growth of metal NPs on a substrate. We introduce a small fraction of CO molecules into the reaction mixture as a probe to monitor the reduction kinetics of the Pd2+ precursor on ceria in hydrogen.

Graphical abstract: Pd nanoparticle growth monitored by DRIFT spectroscopy of adsorbed CO

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Article information


Submitted
30 Jun 2020
Accepted
30 Aug 2020
First published
03 Sep 2020

Analyst, 2020, Advance Article
Article type
Communication

Pd nanoparticle growth monitored by DRIFT spectroscopy of adsorbed CO

A. Tereshchenko, A. Guda, V. Polyakov, Y. Rusalev, V. Butova and A. Soldatov, Analyst, 2020, Advance Article , DOI: 10.1039/D0AN01303J

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