Structural, electrical and photocatalytic properties of iron-containing soda-lime aluminosilicate glass and glass-ceramics

ALI, Ahmed, KHAN, Irfan, ZHANG, Bofan, RAZUM, Marta, PAVIC, Luka, SANTIC, Ana, BINGHAM, Paul, NOMURA, Kiyoshi and KUBUKI, Shiro (2020). Structural, electrical and photocatalytic properties of iron-containing soda-lime aluminosilicate glass and glass-ceramics. Journal of Non-Crystalline Solids.

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Official URL: https://www.sciencedirect.com/science/article/pii/...
Link to published version:: https://doi.org/10.1016/j.jnoncrysol.2020.120510
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    Abstract

    The structure and electrical conductivity of iron-containing soda-lime alumino-silicate glass-ceramic system were investigated and used for the degradation of methylene blue (MB) solution. Mössbauer isomer shifts were decreased from 0.26 and 0.25 to 0.14 and 0.12 mm s-1 with increasing basicity from 0.75 to 1.50 revealing the cleavage in network structure due to the incorporation of Ca2+ ions. By increasing basicity from 0.75 to 1.50, the electrical conductivity was increased from (2.2 × 10-12 to 2.2 × 10-8 Ω -1 cm-1 ). More increase in basicity to 1.75 decreased the conductivity to 6.5× 10-9 Ω -1 cm-1 . The electrical conductivity is ionic in nature and was correlated to the microstructure of the samples. The first-order rate constant (k) for the MB degradation was enhanced from 0.09 × 10-1 to 1.15 × 10−1 min−1 with increasing basicity from 0.75 to 1.50, having a good correlation with microstructure and electrical conductivity.

    Item Type: Article
    Uncontrolled Keywords: Applied Physics; 0204 Condensed Matter Physics; 0912 Materials Engineering
    Identification Number: https://doi.org/10.1016/j.jnoncrysol.2020.120510
    SWORD Depositor: Symplectic Elements
    Depositing User: Symplectic Elements
    Date Deposited: 29 Oct 2020 17:16
    Last Modified: 17 Mar 2021 20:31
    URI: http://shura.shu.ac.uk/id/eprint/27513

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