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Cited by 323

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First-principles studies of water adsorption on graphene: The role of the substrate

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Wehling, Tim O., Lichtenstein, Alexander I., Katsnelson, Mikhail I.·2008·Applied Physics Letters

Abstract

We investigate the electronic properties of graphene upon water adsorption and study the influence of the SiO2 substrate in this context using density functional calculations. Perfect suspended graphene is rather insensitive to H2O adsorbates, as doping requires highly oriented H2O clusters. For graphene on a defective SiO2 substrate, we find a strongly different behavior: H2O adsorbates can shift the substrate’s impurity bands and change their hybridization with the graphene bands. In this way, H2O can lead to doping of graphene for much lower adsorbate concentrations than for free hanged graphene. The effect depends strongly on the microscopic substrate properties.

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Crossref · 10.1063/1.3033202

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Metadata

Authors
Wehling, T. O., Lichtenstein, A. I., & Katsnelson, M. I.
Venue
Applied Physics Letters
Published
2008-11-17
Volume
93
Issue
20
ISSN
  • 0003-6951 (ISSN-L)
  • 1077-3118
OpenAlex
W2052553868
Cited by
323
References
1
FWCI
8.25
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: First-principles studies of water adsorption on graphene: The role of the substrate. https://app.cochat.ai/papers/10.1063/1.3033202
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Wehling, T. O., Lichtenstein, A. I., & Katsnelson, M. I. (2008). First-principles studies of water adsorption on graphene: The role of the substrate. Applied Physics Letters. https://doi.org/10.1063/1.3033202

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.