Crystal transformation synthesis of a highly stable phosphonate MOF for selective adsorption of CO2

Fupeng Zhai; Qingshu Zheng; Zhenxia Chen; Yun Ling; Xiaofeng Liu; Linhong Weng; Yaming Zhou

doi:10.1039/C2CE26701B

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Crystal transformation synthesis of a highly stable phosphonate MOF for selective adsorption of CO₂†

Fupeng Zhai,^a Qingshu Zheng,^a Zhenxia Chen,*^a Yun Ling,^a Xiaofeng Liu,^a Linhong Weng^a and Yaming Zhou*^a

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* Corresponding authors

^a Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Department of Chemistry, Fudan University, 220 Handan Road, Shanghai 200433, P. R. China
E-mail: zhxchen@fudan.edu.cn, ymzhou@fudan.edu.cn
Fax: +86 2165643925
Tel: +86 2165642261

Abstract

A 2D phosphonate MOF {[Ni(Hptz)₂]·7H₂O}_n (H₂ptz = 4-(1,2,4-triazol-4-yl)phenylphosphonic acid) (2) is obtained through crystal transformation from a trinuclear compound [Ni₃(Hptz)₆·(H₂O)₆]·9H₂O (1). Studies of chemical stability show that 2 retains its crystallinity in boiling water and organic solvents. 2 also exhibits high adsorption capacity for CO₂ (80 cm³(STP) g⁻¹) and selective separation of CO₂ over N₂.

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Article information

DOI: https://doi.org/10.1039/C2CE26701B
Article type: Communication
Submitted: 17 Oct 2012
Accepted: 05 Nov 2012
First published: 06 Nov 2012

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CrystEngComm, 2013,15, 2040-2043

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Crystal transformation synthesis of a highly stable phosphonate MOF for selective adsorption of CO₂

F. Zhai, Q. Zheng, Z. Chen, Y. Ling, X. Liu, L. Weng and Y. Zhou, CrystEngComm, 2013, 15, 2040 DOI: 10.1039/C2CE26701B

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