Tuning Omniphobicity via Morphological Control of Metal–Organic Framework Functionalized Surfaces

Fabrication of microstructures for imparting omniphobicity to a surface generally requires the use of lithographic techniques and specialized equipment. We report instead a simple strategy for the synthesis of microstructured surfaces via metal–organic framework (MOF) self-assembly. Our method allow...

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Bibliographic Details
Published in:Journal of the American Chemical Society 2013-11, Vol.135 (44), p.16272-16275
Main Authors: Tan, Tristan T. Y, Reithofer, Michael R, Chen, Eric Y, Menon, Ajay G, Hor, T. S. Andy, Xu, Jianwei, Chin, Jia Min
Format: Article
Language:English
Subjects:
Hydrophobic and Hydrophilic Interactions
Organometallic Compounds - chemical synthesis
Organometallic Compounds - chemistry
Particle Size
Surface Properties
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Summary:Fabrication of microstructures for imparting omniphobicity to a surface generally requires the use of lithographic techniques and specialized equipment. We report instead a simple strategy for the synthesis of microstructured surfaces via metal–organic framework (MOF) self-assembly. Our method allows us to localize epitaxial growth of MOF at the tips of needle crystals to create mushroom-shaped structures, thus conferring re-entrant textures to the MOF-functionalized surfaces. These structures synthesized via wet chemistry were found to have omniphobic properties due to the resulting re-entrant texture.
ISSN:0002-7863
1520-5126
DOI:10.1021/ja407896m