Morphology evolution and gas adsorption of porous metal–organic framework microcrystals

Zhao-Peng Qi; Ji-Min Yang; Yan-Shang Kang; Wei-Yin Sun

doi:10.1039/C5DT02636A

Morphology evolution and gas adsorption of porous metal–organic framework microcrystals

Zhao-Peng Qi,^a^b Ji-Min Yang,^a Yan-Shang Kang^a and Wei-Yin Sun*^a

Author affiliations

* Corresponding authors

^a Coordination Chemistry Institute, State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing National Laboratory of Microstructures, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210093, China
E-mail: sunwy@nju.edu.cn
Fax: +86 25 83314502

^b School of Chemistry and Chemical Engineering, Huangshan University, Huangshan 245041, China

Abstract

A facile and controllable synthesis of porous framework [Cu₃(L)₂(DABCO)] (1) (H₃L = 1,1′:3,1′′-terphenyl]-4,4′′,5′-tricarboxylic acid; DABCO = 1,4-diazabicyclo[2.2.2]octane) microcrystals was realized with morphology evolution from a tetragonal plate to an elongated tetragonal bipyramid, and the particle size changes by tuning the volume ratio of mixed solvents of DMF and H₂O. Interestingly, the exposed high-energy {103} crystal facet can be easily tuned by controlling the supersaturation through the increase of the solution concentration, resulting in the formation of spindle microcrystals. It was found that both H₂O and HCl play important roles in the morphology evolution process. The gas adsorption properties were found to be dependent on the morphology of microcrystals, and the elongated tetragonal bipyramidal microcrystals show the largest BET surface area.

Supplementary files

Publication details

The article was received on 12 Jul 2015, accepted on 24 Aug 2015 and first published on 24 Aug 2015

Article type: Paper

DOI: 10.1039/C5DT02636A

Citation: Dalton Trans., 2015,44, 16888-16893

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Morphology evolution and gas adsorption of porous metal–organic framework microcrystals

Z. Qi, J. Yang, Y. Kang and W. Sun, Dalton Trans., 2015, 44, 16888
DOI: 10.1039/C5DT02636A
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Dalton Transactions

Morphology evolution and gas adsorption of porous metal–organic framework microcrystals

Abstract

Supplementary files

Publication details

Morphology evolution and gas adsorption of porous metal–organic framework microcrystals

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