Structural stability of metal organic framework MOF-177

Dipendu Saha, Shuguang Deng

Research output: Contribution to journalArticle

69 Scopus citations

Abstract

Metal organic framework MOF-177 is one of the most promising crystalline porous adsorbents for hydrogen adsorption. The effects of oxygen and water on the structural stability of MOF-177 are investigated by X-ray diffraction (XRD) and thermogravimetric analysis (TGA). A MOF-177 sample is exposed to ambient air for 5 weeks and monitored for its structural changes by XRD. The crystal structure of MOF-177 gradually changes fromhexagonal to orthogonal, and then to monoclinic in the 5-week period. The crystal structure of MOF-177 is completely destroyed after it is immersed in water. The weight loss of MOF-177 is negligible at temperatures below 330 °C in the presence of oxygen. However, MOF-177 totally converts to zinc oxide at 420°C.

Original languageEnglish (US)
Pages (from-to)73-78
Number of pages6
JournalJournal of Physical Chemistry Letters
Volume1
Issue number1
DOIs
StatePublished - Jan 1 2010
Externally publishedYes

Keywords

  • Nanoparticles and nanostructures

ASJC Scopus subject areas

  • Materials Science(all)
  • Physical and Theoretical Chemistry

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