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

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      Atomic Force Microscopy Images (1.672Gb)
      README (2.430Kb)
      Publication date
      2015-09-14
      Creators
      Beton, Peter
      Metadata
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      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.
      External URI
      • https://rdmc.nottingham.ac.uk/handle/internal/28
      DOI
      • http://doi.org/10.17639/nott.25
      Links
      • http://pubs.acs.org/doi/abs/10.1021/acs.jpcc.5b07133
      • http://doi.org/10.1021/acs.jpcc.5b07133
      • http://doi.org/10.17639/nott.25
      Subjects
      • Nanocrystals
      • Atomic force microscopy
      • Nucleation
      • Supramolecular organometallic chemistry
      • Crystallography
      • Surfaces
      • Nanostructures
      • Crystal growth
      • Metal organic frameworks, SURMOFs, atomic force microscopy, HKUST
      • JACS Subjects::Physical sciences::Chemistry::Physical chemistry
      • JACS Subjects::Physical sciences::Physics::Chemical physics, Solid-state physics
      • Library of Congress Subject Areas::Q Science::QC Physics::QC170 Atomic physics. Constitution and properties of matter
      • Library of Congress Subject Areas::Q Science::QD Chemistry::QD450 Physical and theoretical chemistry
      Divisions
      • Faculties, Schools and Departments::University of Nottingham, UK Campus::Faculty of Science::School of Physics and Astronomy
      Deposit date
      2015-09-15
      Data type
      Images acquired using atomic force microscopy
      Contributors
      • Summerfield, Alex
      • Cebula, Izabela
      • Schröder, Martin
      Funders
      • Funders::Engineering & Physical Sciences Research Council
      Grant number
      • EP/I011870/1
      Collection dates
      • June 2013 - June 2014
      Data collection method
      Atomic force microscopy
      Resource languages
      • en
      Copyright
      • University of Nottingham
      Publisher
      University of Nottingham

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