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Chromium(II) Metal-Organic Polyhedra as Highly Porous Materials
- Chromium(II) Metal-Organic Polyhedra as Highly Porous Materials
- Park, Jin Hee; Perry, Zachary; Chen, Ying-Pin; Bae, Jae Yeon; Zhou, Hong-Cai
- DGIST Authors
- Park, Jin Hee
- Issue Date
- ACS Applied Materials and Interfaces, 9(33), 28064-28068
- Article Type
- Air Stable; Brunauer Emmett Teller Surface Areas; Characterization; Chromium; Chromium(II) Paddlewheel; Chromium(II) Porous Materials; Gas Adsorption; Geometry; Highly Porous Materials; Metal Organic Polyhedras (MOPs); Metal Organic Polyhedron; Molecular Materials; Organometallics; Oxygen Adsorption; Paddle Wheels; Porous Materials; Rational Methods
- 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.
- American Chemical Society
- Related Researcher
Park, Jin Hee
Organic-Inorganic Hybrids Lab
Organic-Inorganic Hybrid Materials; Metal-Organic Polyheda;Metal-Organic Frameworks; Porous Polymer Networks
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- Department of Emerging Materials ScienceOrganic-Inorganic Hybrids Lab1. Journal Articles
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