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Water clustering on nanostructured iron oxide films

Merte, Lindsay LU ; Bechstein, Ralf; Peng, Guowen; Rieboldt, Felix; Farberow, Carrie A.; Zeuthen, Helene; Knudsen, Jan LU ; Laegsgaard, Erik; Wendt, Stefan and Mavrikakis, Manos, et al. (2014) In Nature Communications 5.
Abstract
The adhesion of water to solid surfaces is characterized by the tendency to balance competing molecule-molecule and molecule-surface interactions. Hydroxyl groups form strong hydrogen bonds to water molecules and are known to substantially influence the wetting behaviour of oxide surfaces, but it is not well-understood how these hydroxyl groups and their distribution on a surface affect the molecular-scale structure at the interface. Here we report a study of water clustering on a moire-structured iron oxide thin film with a controlled density of hydroxyl groups. While large amorphous monolayer islands form on the bare film, the hydroxylated iron oxide film acts as a hydrophilic nanotemplate, causing the formation of a regular array of... (More)
The adhesion of water to solid surfaces is characterized by the tendency to balance competing molecule-molecule and molecule-surface interactions. Hydroxyl groups form strong hydrogen bonds to water molecules and are known to substantially influence the wetting behaviour of oxide surfaces, but it is not well-understood how these hydroxyl groups and their distribution on a surface affect the molecular-scale structure at the interface. Here we report a study of water clustering on a moire-structured iron oxide thin film with a controlled density of hydroxyl groups. While large amorphous monolayer islands form on the bare film, the hydroxylated iron oxide film acts as a hydrophilic nanotemplate, causing the formation of a regular array of ice-like hexameric nanoclusters. The formation of this ordered phase is localized at the nanometre scale; with increasing water coverage, ordered and amorphous water are found to coexist at adjacent hydroxylated and hydroxyl-free domains of the moire structure. (Less)
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Nature Communications
volume
5
publisher
Nature Publishing Group
external identifiers
  • pmid:24979078
  • wos:000338838700018
  • scopus:84903691820
ISSN
2041-1723
DOI
10.1038/ncomms5193
language
English
LU publication?
yes
id
38999c38-d7e5-43a9-8d56-c63fad6c45fa (old id 4608713)
date added to LUP
2014-09-04 10:09:02
date last changed
2017-10-01 04:00:49
@article{38999c38-d7e5-43a9-8d56-c63fad6c45fa,
  abstract     = {The adhesion of water to solid surfaces is characterized by the tendency to balance competing molecule-molecule and molecule-surface interactions. Hydroxyl groups form strong hydrogen bonds to water molecules and are known to substantially influence the wetting behaviour of oxide surfaces, but it is not well-understood how these hydroxyl groups and their distribution on a surface affect the molecular-scale structure at the interface. Here we report a study of water clustering on a moire-structured iron oxide thin film with a controlled density of hydroxyl groups. While large amorphous monolayer islands form on the bare film, the hydroxylated iron oxide film acts as a hydrophilic nanotemplate, causing the formation of a regular array of ice-like hexameric nanoclusters. The formation of this ordered phase is localized at the nanometre scale; with increasing water coverage, ordered and amorphous water are found to coexist at adjacent hydroxylated and hydroxyl-free domains of the moire structure.},
  articleno    = {4193},
  author       = {Merte, Lindsay and Bechstein, Ralf and Peng, Guowen and Rieboldt, Felix and Farberow, Carrie A. and Zeuthen, Helene and Knudsen, Jan and Laegsgaard, Erik and Wendt, Stefan and Mavrikakis, Manos and Besenbacher, Flemming},
  issn         = {2041-1723},
  language     = {eng},
  publisher    = {Nature Publishing Group},
  series       = {Nature Communications},
  title        = {Water clustering on nanostructured iron oxide films},
  url          = {http://dx.doi.org/10.1038/ncomms5193},
  volume       = {5},
  year         = {2014},
}