Journal
JOURNAL OF SOLID STATE CHEMISTRY
Volume 223, Issue -, Pages 104-108Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jssc.2014.07.001
Keywords
Zr(IV)-MOF; High surface area; Stepwise gas adsorption; Selective dye uptake
Funding
- National Natural Science Foundation of China [21271015, 21322601]
- Program for New Century Excellent Talents in University [NCET-13-0647]
- Beijing Municipal Natural Science Foundation [2132013]
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Exploitation of new metal-organic framework (MOF) materials with high surface areas has been attracting great attention in related research communities due to their broad potential applications. In this work, a new Zr(IV)-based MOF, [Zr6O4(OH)(4)(eddb)(6)] (BUT-30, H(2)eddb=4,4'-(ethyne-1,2-diyl)dibenzoic acid) has been solvothermally synthesized, characterized, and explored for gases and dyes adsorptions. Single-crystal X-ray diffraction analysis demonstrates a three-dimensional cubic framework structure of this MOF, in which each Zr6O4(OH)(4) building unit is linked by 12 linear eddb ligands BUT-30 has been found stable up to 400 degrees C and has a Brunauer-Emmett-Teller (BET) surface area as high as 3940.6 m(2) g(-1) (based on the N-2 adsorption at 77 K) and total pore volume of 1.55 cm(3) g(-1). It is more interesting that this MOF exhibits stepwise adsorption behaviors for Ar, N-2, and CO2 at low temperatures, and selective uptakes towards different ionic dyes. (C) 2014 Elsevier Inc. All rights reserved.
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