Reversible structural flexibility and sensing properties of a Zn(II) metal-organic framework: Phase transformation between interpenetrating 3D net and 2D sheet

Yeonga Kim; Jeong Hwa Song; Woo Ram Lee; Won Ju Phang; Kwang Soo Lim; Chang Seop Hong

doi:10.1021/cg500052v

Reversible structural flexibility and sensing properties of a Zn(II) metal-organic framework: Phase transformation between interpenetrating 3D net and 2D sheet

Yeonga Kim, Jeong Hwa Song, Woo Ram Lee, Won Ju Phang, Kwang Soo Lim, Chang Seop Hong

Department of Chemistry

Research output: Contribution to journal › Article › peer-review

39 Citations (Scopus)

Abstract

A three-dimensional Zn(II) framework, [Zn₄O(L) ₃(DMF)₂]·0.5DMF·H₂O (1; H ₂L = 3,3′-dimethoxybiphenyl-4,4′-dicarboxylic acid) was prepared under a solvothermal reaction in DMF. The structure reveals that the 3-fold interpenetration is stabilized in the framework with a distinct secondary building unit of the formula [Zn₄O(R-CO₂) ₆(DMF)₂], slightly different from that of MOF-5. Phase transformations in 1 occur reversibly via two pathways of solvent exchange/resolvation and activation/resolvation, which is indicative of the presence of extensive structural flexibility. Nitrobenzene among tested solvents is selectively detected by 1, and the sensing event was operating repeatedly. The three-dimensional framework of 1 with 3-fold interpenetration is uniquely converted to the two-dimensional Cu phase with no interpenetration, reflecting a drastic dimensionality variation.

Original language	English
Pages (from-to)	1933-1937
Number of pages	5
Journal	Crystal Growth and Design
Volume	14
Issue number	4
DOIs	https://doi.org/10.1021/cg500052v
Publication status	Published - 2014 Apr 2

ASJC Scopus subject areas

Chemistry(all)
Materials Science(all)
Condensed Matter Physics

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title = "Reversible structural flexibility and sensing properties of a Zn(II) metal-organic framework: Phase transformation between interpenetrating 3D net and 2D sheet",

abstract = "A three-dimensional Zn(II) framework, [Zn4O(L) 3(DMF)2]·0.5DMF·H2O (1; H 2L = 3,3′-dimethoxybiphenyl-4,4′-dicarboxylic acid) was prepared under a solvothermal reaction in DMF. The structure reveals that the 3-fold interpenetration is stabilized in the framework with a distinct secondary building unit of the formula [Zn4O(R-CO2) 6(DMF)2], slightly different from that of MOF-5. Phase transformations in 1 occur reversibly via two pathways of solvent exchange/resolvation and activation/resolvation, which is indicative of the presence of extensive structural flexibility. Nitrobenzene among tested solvents is selectively detected by 1, and the sensing event was operating repeatedly. The three-dimensional framework of 1 with 3-fold interpenetration is uniquely converted to the two-dimensional Cu phase with no interpenetration, reflecting a drastic dimensionality variation.",

author = "Yeonga Kim and Song, {Jeong Hwa} and Lee, {Woo Ram} and Phang, {Won Ju} and Lim, {Kwang Soo} and Hong, {Chang Seop}",

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T2 - Phase transformation between interpenetrating 3D net and 2D sheet

AU - Kim, Yeonga

AU - Song, Jeong Hwa

AU - Lee, Woo Ram

AU - Phang, Won Ju

AU - Lim, Kwang Soo

AU - Hong, Chang Seop

PY - 2014/4/2

Y1 - 2014/4/2

N2 - A three-dimensional Zn(II) framework, [Zn4O(L) 3(DMF)2]·0.5DMF·H2O (1; H 2L = 3,3′-dimethoxybiphenyl-4,4′-dicarboxylic acid) was prepared under a solvothermal reaction in DMF. The structure reveals that the 3-fold interpenetration is stabilized in the framework with a distinct secondary building unit of the formula [Zn4O(R-CO2) 6(DMF)2], slightly different from that of MOF-5. Phase transformations in 1 occur reversibly via two pathways of solvent exchange/resolvation and activation/resolvation, which is indicative of the presence of extensive structural flexibility. Nitrobenzene among tested solvents is selectively detected by 1, and the sensing event was operating repeatedly. The three-dimensional framework of 1 with 3-fold interpenetration is uniquely converted to the two-dimensional Cu phase with no interpenetration, reflecting a drastic dimensionality variation.

AB - A three-dimensional Zn(II) framework, [Zn4O(L) 3(DMF)2]·0.5DMF·H2O (1; H 2L = 3,3′-dimethoxybiphenyl-4,4′-dicarboxylic acid) was prepared under a solvothermal reaction in DMF. The structure reveals that the 3-fold interpenetration is stabilized in the framework with a distinct secondary building unit of the formula [Zn4O(R-CO2) 6(DMF)2], slightly different from that of MOF-5. Phase transformations in 1 occur reversibly via two pathways of solvent exchange/resolvation and activation/resolvation, which is indicative of the presence of extensive structural flexibility. Nitrobenzene among tested solvents is selectively detected by 1, and the sensing event was operating repeatedly. The three-dimensional framework of 1 with 3-fold interpenetration is uniquely converted to the two-dimensional Cu phase with no interpenetration, reflecting a drastic dimensionality variation.

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Reversible structural flexibility and sensing properties of a Zn(II) metal-organic framework: Phase transformation between interpenetrating 3D net and 2D sheet

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