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Chromium(II) Metal-Organic Polyhedra as Highly Porous Materials

Title
Chromium(II) Metal-Organic Polyhedra as Highly Porous Materials
Author(s)
Park, JinheePerry, ZacharyChen, Ying-PinBae, JaeyeonZhou, Hong-Cai
Issued Date
2017-08
Citation
ACS Applied Materials & Interfaces, v.9, no.33, pp.28064 - 28068
Type
Article
Author Keywords
metal-organic polyhedra (MOPs)chromium(II) paddlewheelchromium(II) porous materialsair-stable MOPsoxygen adsorption
Keywords
FRAMEWORKSCAGESDESIGNFUNCTIONALITYADSORPTIONSTRATEGYSORPTIONDRIVENSITESMO
ISSN
1944-8244
Abstract
Herein we report for the first time the synthesis of Cr(II)-based metal-organic polyhedra (MOPs) and the characterization of their porosities. Unlike the isostructural Cu(II)- or Mo(II)-based MOPs, Cr(II)-based MOPs show unusually high gas uptakes and surface areas. The combination of comparatively robust dichromium paddlewheel units (Cr2 units), cage symmetries, and packing motifs enable these materials to achieve Brunauer-Emmett-Teller surface areas of up to 1000 m2/g. Reducing the aggregation of the Cr(II)-based MOPs upon activation makes their pores more accessible than their Cu(II) or Mo(II) counterparts. Further comparisons of surface areas on a molar (m2/mol cage) rather than gravimetric (m2/g) basis is proposed as a rational method of comparing members of a family of related molecular materials. © 2017 American Chemical Society.
URI
http://hdl.handle.net/20.500.11750/4437
DOI
10.1021/acsami.7b09339
Publisher
American Chemical Society
Related Researcher
  • 박진희 Park, Jinhee
  • Research Interests Organic-Inorganic Hybrid Materials; Metal-Organic Polyheda;Metal-Organic Frameworks; Porous Polymer Networks
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Department of Physics and Chemistry Organic-Inorganic Hybrids Lab 1. Journal Articles

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