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Creating a Stable Oxide at the Surface of Black Phosphorus

Edmonds, M. T., Tadich, A., Carvalho, A., Ziletti, A., O’Donnell, K. M., Koenig, S. P., Coker, D. F., Özyilmaz, B., Neto, A. H. Castro, Fuhrer, M. S.·2015·ACS Applied Materials & Interfaces

Abstract

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.

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Metadata

Authors
Edmonds, M. T., Tadich, A., Carvalho, A., Ziletti, A., O’Donnell, K. M., Koenig, S. P., Coker, D. F., Özyilmaz, B., Neto, A. H. C., & Fuhrer, M. S.
Venue
ACS Applied Materials & Interfaces
Published
2015-06-30
Volume
7
Issue
27
Pages
14557-14562
ISSN
  • 1944-8244 (ISSN-L)
  • 1944-8252
OpenAlex
W832270762
Cited by
365
References
0
FWCI
17.72
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Creating a Stable Oxide at the Surface of Black Phosphorus. https://app.cochat.ai/papers/10.1021/acsami.5b01297
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Edmonds, M. T., Tadich, A., Carvalho, A., Ziletti, A., O’Donnell, K. M., Koenig, S. P., Coker, D. F., Özyilmaz, B., Neto, A. H. C., & Fuhrer, M. S. (2015). Creating a Stable Oxide at the Surface of Black Phosphorus. ACS Applied Materials & Interfaces. https://doi.org/10.1021/acsami.5b01297

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