Sangam: A Confluence of Knowledge Streams

The nucleation and early stages of layer-by-layer growth of metal organic frameworks on surfaces

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dc.contributor Summerfield, Alex
dc.contributor Cebula, Izabela
dc.contributor Schröder, Martin
dc.creator Beton, Peter
dc.date 2015-09-15T11:01:59Z
dc.date 2015-09-15T11:01:59Z
dc.date 2015-09-14
dc.date June 2013 - June 2014
dc.identifier https://rdmc.nottingham.ac.uk/handle/internal/28
dc.identifier http://doi.org/10.17639/nott.25
dc.description High resolution atomic force microscopy (AFM) is used to resolve the evolution of crystallites of a metal organic framework (HKUST-1) grown on Au(111) using a liquid-phase layer-by-layer methodology. The nucleation and faceting of individual crystallites is followed by repeatedly imaging the same sub-micron region after each cycle of growth and we find that the growing surface is terminated by {111} facets leading to the formation of pyramidal nanostructures for [100] oriented crystallites, and triangular [111] islands with typical lateral dimensions of 10s of nanometres. AFM images reveal that crystallites can grow by 5-10 layers in each cycle. The growth rate depends on crystallographic orientation and the morphology of the gold substrate, and we demonstrate that under these conditions the growth is nanocrystalline with a morphology determined by the minimum energy surface.
dc.language en
dc.publisher University of Nottingham
dc.relation http://pubs.acs.org/doi/abs/10.1021/acs.jpcc.5b07133
dc.relation http://doi.org/10.1021/acs.jpcc.5b07133
dc.subject Nanocrystals
dc.subject Atomic force microscopy
dc.subject Nucleation
dc.subject Supramolecular organometallic chemistry
dc.subject Crystallography
dc.subject Surfaces
dc.subject Nanostructures
dc.subject Crystal growth
dc.subject Metal organic frameworks, SURMOFs, atomic force microscopy, HKUST
dc.subject JACS Subjects::Physical sciences::Chemistry::Physical chemistry
dc.subject JACS Subjects::Physical sciences::Physics::Chemical physics, Solid-state physics
dc.subject Library of Congress Subject Areas::Q Science::QC Physics::QC170 Atomic physics. Constitution and properties of matter
dc.subject Library of Congress Subject Areas::Q Science::QD Chemistry::QD450 Physical and theoretical chemistry
dc.title The nucleation and early stages of layer-by-layer growth of metal organic frameworks on surfaces
dc.type dataset


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