Harnessing silicon facet-dependent conductivity to enhance the direct-current produced by a sliding Schottky diode triboelectric nanogenerator
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...
| Main Authors: | , , , |
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| Format: | Journal Article |
| Language: | English |
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ELSEVIER
2020
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| Online Access: | http://purl.org/au-research/grants/arc/DP150103065 http://hdl.handle.net/20.500.11937/91721 |
| _version_ | 1848765578540482560 |
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| author | Ferrie, S. Darwish, Nadim Gooding, J.J. Ciampi, Simone |
| author_facet | Ferrie, S. Darwish, Nadim Gooding, J.J. Ciampi, Simone |
| author_sort | Ferrie, S. |
| building | Curtin Institutional Repository |
| collection | Online Access |
| description | 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. |
| first_indexed | 2025-11-14T11:37:29Z |
| format | Journal Article |
| id | curtin-20.500.11937-91721 |
| institution | Curtin University Malaysia |
| institution_category | Local University |
| language | English |
| last_indexed | 2025-11-14T11:37:29Z |
| publishDate | 2020 |
| publisher | ELSEVIER |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | curtin-20.500.11937-917212023-06-13T02:41:12Z Harnessing silicon facet-dependent conductivity to enhance the direct-current produced by a sliding Schottky diode triboelectric nanogenerator Ferrie, S. Darwish, Nadim Gooding, J.J. Ciampi, Simone Science & Technology Physical Sciences Technology Chemistry, Physical Nanoscience & Nanotechnology Materials Science, Multidisciplinary Physics, Applied Chemistry Science & Technology - Other Topics Materials Science Physics Triboelectric nanogenerator Silicon Schottky diode Friction Facet-dependent conductivity 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. 2020 Journal Article http://hdl.handle.net/20.500.11937/91721 10.1016/j.nanoen.2020.105210 English http://purl.org/au-research/grants/arc/DP150103065 http://purl.org/au-research/grants/arc/DP190100735 http://purl.org/au-research/grants/arc/FT190100148 ELSEVIER restricted |
| spellingShingle | Science & Technology Physical Sciences Technology Chemistry, Physical Nanoscience & Nanotechnology Materials Science, Multidisciplinary Physics, Applied Chemistry Science & Technology - Other Topics Materials Science Physics Triboelectric nanogenerator Silicon Schottky diode Friction Facet-dependent conductivity Ferrie, S. Darwish, Nadim Gooding, J.J. Ciampi, Simone Harnessing silicon facet-dependent conductivity to enhance the direct-current produced by a sliding Schottky diode triboelectric nanogenerator |
| title | Harnessing silicon facet-dependent conductivity to enhance the direct-current produced by a sliding Schottky diode triboelectric nanogenerator |
| title_full | Harnessing silicon facet-dependent conductivity to enhance the direct-current produced by a sliding Schottky diode triboelectric nanogenerator |
| title_fullStr | Harnessing silicon facet-dependent conductivity to enhance the direct-current produced by a sliding Schottky diode triboelectric nanogenerator |
| title_full_unstemmed | Harnessing silicon facet-dependent conductivity to enhance the direct-current produced by a sliding Schottky diode triboelectric nanogenerator |
| title_short | Harnessing silicon facet-dependent conductivity to enhance the direct-current produced by a sliding Schottky diode triboelectric nanogenerator |
| title_sort | harnessing silicon facet-dependent conductivity to enhance the direct-current produced by a sliding schottky diode triboelectric nanogenerator |
| topic | Science & Technology Physical Sciences Technology Chemistry, Physical Nanoscience & Nanotechnology Materials Science, Multidisciplinary Physics, Applied Chemistry Science & Technology - Other Topics Materials Science Physics Triboelectric nanogenerator Silicon Schottky diode Friction Facet-dependent conductivity |
| url | http://purl.org/au-research/grants/arc/DP150103065 http://purl.org/au-research/grants/arc/DP150103065 http://purl.org/au-research/grants/arc/DP150103065 http://hdl.handle.net/20.500.11937/91721 |