Communication: Growing room temperature ice with graphene

Water becomes ordered in the form of hexagonal ice at room temperature under controlled humidity conditions upon confinement in the nanometer range between protective graphene sheets and crystalline (111) surfaces with hexagonal symmetry of the alkali earth fluoride BaF2. Interfacial water/substrate...

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Bibliographic Details
Published in:The Journal of chemical physics 2013-03, Vol.138 (12), p.121101-121101
Main Authors: Verdaguer, Albert, Segura, Juan José, López-Mir, Laura, Sauthier, Guillaume, Fraxedas, Jordi
Format: Article
Language:English
Subjects:
Calcium fluoride
Confinement
Crystal structure
Earth
Graphene
Humidity
Lattices
Symmetry
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Summary:Water becomes ordered in the form of hexagonal ice at room temperature under controlled humidity conditions upon confinement in the nanometer range between protective graphene sheets and crystalline (111) surfaces with hexagonal symmetry of the alkali earth fluoride BaF2. Interfacial water/substrate pseudoepitaxy turns out to be a critical parameter since ice is only formed when the lattice mismatch is small, an observation based on the absence of ice on (111) surfaces of isostructural CaF2.
ISSN:0021-9606
1089-7690
DOI:10.1063/1.4798941