Monoclinic beta-MoO3 nanosheets produced by atmospheric microplasma: application to lithium-ion batteries

D Mariotti, H Lindstroem, AC Bose, K Ostrikov

    Research output: Contribution to journalArticle

    76 Citations (Scopus)

    Abstract

    Porous high surface area thin films of nanosheet-shaped monoclinic MoO3 were deposited onto platinized Si substrates using patch antenna-based atmospheric microplasma processing. The films were characterized by high resolution transmission electron microscopy (HRTEM), scanning electron microscopy (SEM) and electrochemical analysis. The electrochemical analysis shows original redox peaks and high charge capacity, and also indicates a reversible electrochemical behaviour particularly beneficial for applications in Li-ion batteries. SEM shows that the films are highly porous and consist of nanosheets 50-100 nm thick with surface dimensions in the micrometre range. HRTEM reveals that the MoO3 nanosheets consist of the monoclinic beta phase of MoO3. These intricate nanoarchitectures made of monoclinic MoO3 nanosheets have not been studied previously in the context of applications in Li-ion batteries and show superior structural and morphological features that enable effective insertion of Li ions.
    LanguageEnglish
    Article number495302-1
    Number of pages6
    JournalNanotechnology
    Volume19
    Issue number49
    Early online date18 Nov 2008
    DOIs
    Publication statusPublished - Dec 2008

    Fingerprint

    Nanosheets
    High resolution transmission electron microscopy
    Scanning electron microscopy
    Microstrip antennas
    Ions
    Thin films
    molybdenum trioxide
    Lithium-ion batteries
    Substrates
    Processing

    Cite this

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    abstract = "Porous high surface area thin films of nanosheet-shaped monoclinic MoO3 were deposited onto platinized Si substrates using patch antenna-based atmospheric microplasma processing. The films were characterized by high resolution transmission electron microscopy (HRTEM), scanning electron microscopy (SEM) and electrochemical analysis. The electrochemical analysis shows original redox peaks and high charge capacity, and also indicates a reversible electrochemical behaviour particularly beneficial for applications in Li-ion batteries. SEM shows that the films are highly porous and consist of nanosheets 50-100 nm thick with surface dimensions in the micrometre range. HRTEM reveals that the MoO3 nanosheets consist of the monoclinic beta phase of MoO3. These intricate nanoarchitectures made of monoclinic MoO3 nanosheets have not been studied previously in the context of applications in Li-ion batteries and show superior structural and morphological features that enable effective insertion of Li ions.",
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    Monoclinic beta-MoO3 nanosheets produced by atmospheric microplasma: application to lithium-ion batteries. / Mariotti, D; Lindstroem, H; Bose, AC; Ostrikov, K.

    In: Nanotechnology, Vol. 19, No. 49, 495302-1, 12.2008.

    Research output: Contribution to journalArticle

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    AU - Mariotti, D

    AU - Lindstroem, H

    AU - Bose, AC

    AU - Ostrikov, K

    PY - 2008/12

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    AB - Porous high surface area thin films of nanosheet-shaped monoclinic MoO3 were deposited onto platinized Si substrates using patch antenna-based atmospheric microplasma processing. The films were characterized by high resolution transmission electron microscopy (HRTEM), scanning electron microscopy (SEM) and electrochemical analysis. The electrochemical analysis shows original redox peaks and high charge capacity, and also indicates a reversible electrochemical behaviour particularly beneficial for applications in Li-ion batteries. SEM shows that the films are highly porous and consist of nanosheets 50-100 nm thick with surface dimensions in the micrometre range. HRTEM reveals that the MoO3 nanosheets consist of the monoclinic beta phase of MoO3. These intricate nanoarchitectures made of monoclinic MoO3 nanosheets have not been studied previously in the context of applications in Li-ion batteries and show superior structural and morphological features that enable effective insertion of Li ions.

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