Uranium oxide nanocrystals by microwave-assisted thermal decomposition: electronic and structural properties

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Title:	Uranium oxide nanocrystals by microwave-assisted thermal decomposition: electronic and structural properties
Authors:	Jennifer Leduc;Joseph I. Pacold;David K. Shuh;Chung‐Li Dong;Sanjay Mathur
Keywords:	In‐situ X‐ray absorption spectroscopy;Scanning transmission X‐ray microscopy (STXM);Photocatalysis;Uranium;UO 2 nanoparticles;Microwave chemistry
Date:	2017-11-14
Issue Date:	2018-06-08 12:10:12 (UTC+8)
Publisher:	Wiley
Abstract:	Uranium oxides have attracted much attention not only in the context of nuclear energy generation but also for their application as pristine catalysts or as supports for other (transition metal) oxides and (precious) metals. Their propensity to adopt high coordination numbers and manifest multiple oxidation states (from +II to +VI) makes them attractive candidates for catalyzed transformation reactions. Herein, we report a new synthesis route to phase‐pure, crystalline UO2 nanoparticles via microwave‐assisted decomposition of a molecular uranium(IV) precursor. The electronic structure and optical absorption properties of these nanocrystals were investigated using spectroscopic methods to evaluate their suitability for photo(electro)catalytic applications.
Relation:	Zeitschrift für anorganische and allgemeine Chemie 644(1), p.12-18
DOI:	10.1002/zaac.201700294
Appears in Collections:	[Graduate Institute & Department of Physics] Journal Article

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