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Preparation of ultrafine fibrous uranium dioxide by electrospinning

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68081731%3A_____%2F20%3A00519171" target="_blank" >RIV/68081731:_____/20:00519171 - isvavai.cz</a>

  • Alternative codes found

    RIV/00216224:14310/20:00115214

  • Result on the web

    <a href="https://www.sciencedirect.com/science/article/abs/pii/S0022311519309997" target="_blank" >https://www.sciencedirect.com/science/article/abs/pii/S0022311519309997</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1016/j.jnucmat.2019.151877" target="_blank" >10.1016/j.jnucmat.2019.151877</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Preparation of ultrafine fibrous uranium dioxide by electrospinning

  • Original language description

    We are introducing for the first time a robust method for the preparation of uranium oxide nanofibers with extraordinary thin diameters. We have studied the preparation of U3O8 and UO2 nanofibers by the electrospinning method from uranyl acetylacetonate in mixed organic solvents. Polyvinylpyrrolidone (PVP) was used as a supporting polymer. Besides studying and optimizing the solution systems, we have also examined the effects of collector material on the properties of the fiber mat. We have found that calcination of electrospun green composite fibers deposited on aluminum foil produces U3O8 nanofibers with the lowest average diameter of 20 +/- 5 nm as their adhesion prevents fiber shrinking. We have also studied calcination of fibers on ashless paper and freestanding composite mats. Reduction of U3O8 fibers in H-2/N-2 atmosphere at various temperatures provided uranium dioxide nanofibers with an average diameter of 90 nm. (C) 2019 Elsevier B.V. All rights reserved.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    10402 - Inorganic and nuclear chemistry

Result continuities

  • Project

    Result was created during the realization of more than one project. More information in the Projects tab.

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2020

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Journal of Nuclear Materials

  • ISSN

    0022-3115

  • e-ISSN

  • Volume of the periodical

    528

  • Issue of the periodical within the volume

    JAN

  • Country of publishing house

    NL - THE KINGDOM OF THE NETHERLANDS

  • Number of pages

    10

  • Pages from-to

    151877

  • UT code for WoS article

    000503841000042

  • EID of the result in the Scopus database

    2-s2.0-85075403571