Creating a stable oxide at the surface of black phosphorus
The stability of the surface of in situ cleaved black phosphorus crystals upon exposure to atmosphere is investigated with synchrotron-based photoelectron spectroscopy. After 2 days atmosphere exposure a stable subnanometer layer of primarily P2O5 forms at the surface. The work function increases by...
| Main Authors: | , , , , , , , , , |
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| Format: | Journal Article |
| Published: |
American Chemical Society
2015
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| Online Access: | http://hdl.handle.net/20.500.11937/35328 |
| _version_ | 1848754467698114560 |
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| author | Edmonds, M. Tadich, A. Carvalho, A. Ziletti, A. O'Donnell, Kane Koenig, S. Coker, D. Özyilmaz, B. Neto, A. Fuhrer, M. |
| author_facet | Edmonds, M. Tadich, A. Carvalho, A. Ziletti, A. O'Donnell, Kane Koenig, S. Coker, D. Özyilmaz, B. Neto, A. Fuhrer, M. |
| author_sort | Edmonds, M. |
| building | Curtin Institutional Repository |
| collection | Online Access |
| description | The stability of the surface of in situ cleaved black phosphorus crystals upon exposure to atmosphere is investigated with synchrotron-based photoelectron spectroscopy. After 2 days atmosphere exposure a stable subnanometer layer of primarily P2O5 forms at the surface. The work function increases by 0.1 eV from 3.9 eV for as-cleaved black phosphorus to 4.0 eV after formation of the 0.4 nm thick oxide, with phosphorus core levels shifting by <0.1 eV. The results indicate minimal charge transfer, suggesting that the oxide layer is suitable for passivation or as an interface layer for further dielectric deposition. |
| first_indexed | 2025-11-14T08:40:53Z |
| format | Journal Article |
| id | curtin-20.500.11937-35328 |
| institution | Curtin University Malaysia |
| institution_category | Local University |
| last_indexed | 2025-11-14T08:40:53Z |
| publishDate | 2015 |
| publisher | American Chemical Society |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | curtin-20.500.11937-353282017-09-13T15:19:34Z Creating a stable oxide at the surface of black phosphorus Edmonds, M. Tadich, A. Carvalho, A. Ziletti, A. O'Donnell, Kane Koenig, S. Coker, D. Özyilmaz, B. Neto, A. Fuhrer, M. The stability of the surface of in situ cleaved black phosphorus crystals upon exposure to atmosphere is investigated with synchrotron-based photoelectron spectroscopy. After 2 days atmosphere exposure a stable subnanometer layer of primarily P2O5 forms at the surface. The work function increases by 0.1 eV from 3.9 eV for as-cleaved black phosphorus to 4.0 eV after formation of the 0.4 nm thick oxide, with phosphorus core levels shifting by <0.1 eV. The results indicate minimal charge transfer, suggesting that the oxide layer is suitable for passivation or as an interface layer for further dielectric deposition. 2015 Journal Article http://hdl.handle.net/20.500.11937/35328 10.1021/acsami.5b01297 American Chemical Society restricted |
| spellingShingle | Edmonds, M. Tadich, A. Carvalho, A. Ziletti, A. O'Donnell, Kane Koenig, S. Coker, D. Özyilmaz, B. Neto, A. Fuhrer, M. Creating a stable oxide at the surface of black phosphorus |
| title | Creating a stable oxide at the surface of black phosphorus |
| title_full | Creating a stable oxide at the surface of black phosphorus |
| title_fullStr | Creating a stable oxide at the surface of black phosphorus |
| title_full_unstemmed | Creating a stable oxide at the surface of black phosphorus |
| title_short | Creating a stable oxide at the surface of black phosphorus |
| title_sort | creating a stable oxide at the surface of black phosphorus |
| url | http://hdl.handle.net/20.500.11937/35328 |