Compression-induced deformation of individual metal-organic framework microcrystals

Zhi Su, Yu Run Miao, Shi Min Mao, Guang Hui Zhang, Shen Dillon, Jeffrey T. Miller, Kenneth S Suslick

Research output: Contribution to journalArticle

Abstract

The deformation and mechanical behavior of individual zeolitic-imidazolate framework (ZIF-8) micro- and sub-microcrystals were observed under compression. Youngs modulus and volume changes as a function of applied pressure were determined on individual single crystals, offering insights in the relationship among structure, morphology, and mechanical properties. Dramatic volume decreases and amorphization were detected during compression over a pressure range of 0-4 GPa for individual 1.2 μm ZIF-8 microcrystals, and the deformed microcrystals partially recovered after pressure release. The orientation and size effects on the mechanical behavior of ZIF-8 nano- and microcrystals were also investigated. The presence of solvates within the pores of the ZIF-8 has a dramatic effect on the mechanical properties of the single crystals. Methanol-solvated ZIF-8 microcrystals are much less deformable than the desolvated microcrystals and shatter completely at very low applied force.

Original languageEnglish (US)
Pages (from-to)1750-1753
Number of pages4
JournalJournal of the American Chemical Society
Volume137
Issue number5
DOIs
StatePublished - Feb 11 2015

ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)
  • Biochemistry
  • Colloid and Surface Chemistry

Fingerprint Dive into the research topics of 'Compression-induced deformation of individual metal-organic framework microcrystals'. Together they form a unique fingerprint.

  • Cite this