Angstrom-Resolved Metal-Organic Framework-Liquid Interfaces.
Sci Rep
; 7(1): 11088, 2017 09 11.
Article
em En
| MEDLINE
| ID: mdl-28894192
ABSTRACT
Metal-organic frameworks (MOFs) are a class of crystalline materials with a variety of applications in gas storage, catalysis, drug delivery or light harvesting. The optimization of those applications requires the characterization of MOF structure in the relevant environment. Dynamic force microscopy has been applied to follow dynamic processes of metal-organic-framework material. We provide images with spatial and time resolutions, respectively, of angstrom and seconds that show that Ce-RPF-8 surfaces immersed in water and glycerol experience a surface reconstruction process that is characterized by the diffusion of the molecular species along the step edges of the open terraces. The rate of the surface reconstruction process depends on the liquid. In water it happens spontaneously while in glycerol is triggered by applying an external force.
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MEDLINE
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En
Ano de publicação:
2017
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Article