Curtin University Homepage
  • Library
  • Help
    • Admin

    espace - Curtin’s institutional repository

    JavaScript is disabled for your browser. Some features of this site may not work without it.
    View Item 
    • espace Home
    • espace
    • Curtin Research Publications
    • View Item
    • espace Home
    • espace
    • Curtin Research Publications
    • View Item

    Harnessing silicon facet-dependent conductivity to enhance the direct-current produced by a sliding Schottky diode triboelectric nanogenerator

    Access Status
    Fulltext not available
    Authors
    Ferrie, S.
    Darwish, Nadim
    Gooding, J.J.
    Ciampi, Simone
    Date
    2020
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Ferrie, S. and Darwish, N. and Gooding, J.J. and Ciampi, S. 2020. Harnessing silicon facet-dependent conductivity to enhance the direct-current produced by a sliding Schottky diode triboelectric nanogenerator. Nano Energy. 78: ARTN 105210.
    Source Title
    Nano Energy
    DOI
    10.1016/j.nanoen.2020.105210
    ISSN
    2211-2855
    Faculty
    Faculty of Science and Engineering
    School
    School of Molecular and Life Sciences (MLS)
    Funding and Sponsorship
    http://purl.org/au-research/grants/arc/DP150103065
    http://purl.org/au-research/grants/arc/DP190100735
    http://purl.org/au-research/grants/arc/FT190100148
    URI
    http://hdl.handle.net/20.500.11937/91721
    Collection
    • Curtin Research Publications
    Abstract

    Harnessing triboelectricity is a promising form of energy harvesting technology. Unlike conventional triboelectric nanogenerators, which convert friction between insulators into alternating current, a sliding metal‒semiconductor contact converts small movements into direct current (d.c.), which can power electronic circuitry without the need of electrical rectification. The zero-bias d.c. output of a dynamic metal‒semiconductor contact is assumed to increase linearly with its area, posing restrictions on the miniaturization of this new type of power sources. By implementing silicon surfaces that are electrically heterogeneous, it is found that d.c. outputs are not steady-state, but instead peak when the metal contact slides across concave boundaries between highly and poorly rectifying silicon crystal facets. Sharp lateral changes in electrical rectification, coupled to a concave surface curvature, are more important to maximize current densities than applied normal force or surface friction. These findings help alleviating device-wear issues, as well as removing physical constraints to the miniaturization of sliding-diode nanogenerators.

    Related items

    Showing items related by title, author, creator and subject.

    • Organic Monolayers on Si(211) for Triboelectricity Generation: Etching Optimization and Relationship between the Electrochemistry and Current Output
      Hurtado, Carlos; Lyu, Xin ; Ferrie, Stuart; Le Brun, A.P.; Macgregor, M.; Ciampi, Simone (2022)
      Triboelectric nanogenerators (TENGs) based on sliding silicon-organic monolayer-metal Schottky diodes are an emerging autonomous direct-current (DC) current supply technology. Herein, using conductive atomic force microscopy ...
    • Sliding Schottky diode triboelectric nanogenerators with current output of 10^9 A/m2 by molecular engineering of Si(211) surfaces
      Lyu, Xin ; Ferrie, Stuart; Pivrikas, A.; MacGregor, M.; Ciampi, Simone (2022)
      Triboelectric nanogenerators (TENGs) are an autonomous and sustainable power-generation technology, seeking to harvest small vibrations into electricity. Here, by achieving molecular control of oxide-free Si crystals and ...
    • Improving the performances of direct-current triboelectric nanogenerators with surface chemistry
      Lyu, Xin; Ciampi, Simone (2022)
      Over the past decade, triboelectric nanogenerators (TENGs) – small and portable devices designed to harvest electricity from mechanical vibrations and friction – have matured from a niche theme of electrical engineering ...
    Advanced search

    Browse

    Communities & CollectionsIssue DateAuthorTitleSubjectDocument TypeThis CollectionIssue DateAuthorTitleSubjectDocument Type

    My Account

    Admin

    Statistics

    Most Popular ItemsStatistics by CountryMost Popular Authors

    Follow Curtin

    • 
    • 
    • 
    • 
    • 

    CRICOS Provider Code: 00301JABN: 99 143 842 569TEQSA: PRV12158

    Copyright | Disclaimer | Privacy statement | Accessibility

    Curtin would like to pay respect to the Aboriginal and Torres Strait Islander members of our community by acknowledging the traditional owners of the land on which the Perth campus is located, the Whadjuk people of the Nyungar Nation; and on our Kalgoorlie campus, the Wongutha people of the North-Eastern Goldfields.