Mechanical properties of metal-organic frameworks: An indentation study on epitaxial thin films

2012-09-06

PRE

S. Bundschuh *

Oliver Kraft

Hasan K. Arslan

Hartmut Gliemann

Peter G. Weidler

Woell, C.

DOI：10.1063/1.4751286

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Abstract

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We have determined the hardness and Young's modulus of a highly porous metal-organic framework (MOF) using a standard nanoindentation technique. Despite the very low density of these films, 1.22 g cm(-3), Young's modulus reaches values of almost 10 GPa for HKUST-1, demonstrating that this porous coordination polymer is substantially stiffer than normal polymers. This progress in characterizing mechanical properties of MOFs has been made possible by the use of high quality, oriented thin films grown using liquid phase epitaxy on modified Au substrates. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4751286]

Keywords:

ELASTIC-MODULUS

NANOINDENTATION

COATINGS

Mechanical properties of metal-organic frameworks: An indentation study on epitaxial thin films

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