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Inorganics 2016, 4(2), 10; doi:10.3390/inorganics4020010

Adsorption of Water on Two-Dimensional Crystals: Water/Graphene and Water/Silicatene

Department of Chemistry and Biochemistry, North Dakota State University, Fargo, ND 58108-6050, USA
Academic Editors: Reshef Tenne and Duncan H. Gregory
Received: 9 March 2016 / Revised: 14 April 2016 / Accepted: 18 April 2016 / Published: 25 April 2016
View Full-Text   |   Download PDF [751 KB, uploaded 25 April 2016]   |  

Abstract

The adsorption of water on solid surfaces is a scientific evergreen which again recently prompted considerable attention in the materials, nano-, and surface science communities, respectively, due to conflicting evidence presented in the most highly regarded scientific journals. This mini review is a brief and personal perspective of the current literature (and our own data) about water adsorption for two examples, namely graphene and silicatene, which are both two-dimensional (2D) crystals. Silicatene, an inorganic companion of graphene, is intriguing as it presents us with the possibility to synthesize a 2D analog to zeolites by doping this crystalline silicon film. The wettability by water and whether or not support effects of epitaxial 2D crystals are present is of concern. Regarding applications: some 2D crystals appear promising for the hydrogen evolution reaction, i.e., hydrogen generation from water; a functionalization of graphene (by oxygen/water) to graphene oxide may be interesting for metal-free catalysis; the latest highlight in this field appears to be “icephobicity”, an application related to the hydrophobicity of surfaces. View Full-Text
Keywords: graphene; silicatene; water; surfaces; kinetics; dynamics; 2D crystals; wetting; hydrophobic; hydrophilic graphene; silicatene; water; surfaces; kinetics; dynamics; 2D crystals; wetting; hydrophobic; hydrophilic
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Burghaus, U. Adsorption of Water on Two-Dimensional Crystals: Water/Graphene and Water/Silicatene. Inorganics 2016, 4, 10.

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