Hydrothermal synthesis of silicon oxide clad uranium oxide nanowires

He, Lingfeng; Harp, Jason M.; Wagner, Adrian R.; Hoggan, Rita E.; Tolman, Kevin R.

doi:10.1111/jace.15295

Title: Hydrothermal synthesis of silicon oxide clad uranium oxide nanowires

Journal Article · 01 November 2017 · Journal of the American Ceramic Society

DOI: https://doi.org/10.1111/jace.15295 · OSTI ID:1402684

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Idaho National Lab. (INL), Idaho Falls, ID (United States)

Here, a facile method to synthesize silicon oxide clad uranium oxide nanowires is presented. U₃Si₂, used as a precursor, was oxidized to produce uranium oxide nanocrystallites and amorphous silicon oxide under hydrothermal conditions at 300°C and a pressure of 7.8 × 10⁶ Pa. The growth of uranium oxide nanowires was assisted by silicon oxide via assembling the uranium oxide nanocrystallites in an amorphous silicon oxide matrix. The microstructure and composition of silicon oxide clad uranium oxide nanowires were characterized by XRD, SEM, TEM, and EDS. The uranium oxide in the nanowires was determined as UO_2.34 with a fluoride cubic structure.

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Research Organization:: Idaho National Laboratory (INL), Idaho Falls, ID (United States)

Sponsoring Organization:: USDOE Office of Nuclear Energy (NE); Westinghouse Electric Company LLC, Cranberry Township, PA (United States)

Grant/Contract Number:: AC07-05ID14517; FOA‐0000712; FOA-0000712; AC07-051D14517

OSTI ID:: 1402684

Alternate ID(s):: OSTI ID: 1408185

Report Number(s):: INL/JOU-17-43006

Journal Information:: Journal of the American Ceramic Society, Vol. 101, Issue 3; ISSN 0002-7820

Publisher:: American Ceramic SocietyCopyright Statement

Country of Publication:: United States

Language:: English

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Related Subjects

36 MATERIALS SCIENCE
77 NANOSCIENCE AND NANOTECHNOLOGY
hydrothermal
nanomaterials
nanowires
oxides
uranium/uranium compounds

Title: Hydrothermal synthesis of silicon oxide clad uranium oxide nanowires

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