3 years ago

Substrate-Independent Epitaxial Growth of the Metal–Organic Framework MOF-508a

Substrate-Independent
Epitaxial Growth of the Metal–Organic Framework MOF-508a
N. L. Mitchell, P. C. Stevens, C. M. Nagaraja, S. N. Barrientos-Palomo, J. P. S. Badyal, G. Oswald, M. Wilson
Plasmachemical deposition is a substrate-independent method for the conformal surface functionalization of solid substrates. Structurally well-defined pulsed plasma deposited poly(1-allylimidazole) layers provide surface imidazole linker groups for the directed liquid-phase epitaxial (layer-by-layer) growth of metal–organic frameworks (MOFs) at room temperature. For the case of microporous [Zn (benzene-1,4-dicarboxylate)-(4,4′-bipyridine)0.5] (MOF-508), the MOF-508a polymorph containing two interpenetrating crystal lattice frameworks undergoes orientated Volmer–Weber growth and displays CO2 gas capture behavior at atmospheric concentrations in proportion to the number of epitaxially grown MOF-508 layers.

Publisher URL: http://dx.doi.org/10.1021/acsami.7b16029

DOI: 10.1021/acsami.7b16029

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