Formation of hollow and mesoporous structures in single-crystalline microcrystals of metal-organic frameworks via double-solvent mediated overgrowth

Lien Yang Chou; Pan Hu; Jia Zhuang; Joseph V. Morabito; Ka Chon Ng; Ya Chuan Kao; Shao Chun Wang; Fa Kuen Shieh; Chun Hong Kuo; Chia Kuang Tsung

doi:10.1039/c5nr06532a

Formation of hollow and mesoporous structures in single-crystalline microcrystals of metal-organic frameworks via double-solvent mediated overgrowth

Lien Yang Chou, Pan Hu, Jia Zhuang, Joseph V. Morabito, Ka Chon Ng, Ya Chuan Kao, Shao Chun Wang, Fa Kuen Shieh, Chun Hong Kuo, Chia Kuang Tsung

Department of Chemistry

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

58 Scopus citations

Abstract

The creation of hierarchical porosity in metal-organic frameworks (MOFs) could benefit various applications of MOFs such as gas storage and separation. Having single-crystalline microcrystals instead of poly-crystalline composites is critical for these potential applications of MOFs with hierarchical porosity. We developed a room temperature synthetic method to generate uniform hollow and mesoporous zeolitic imidazolate framework-8 (ZIF-8) microcrystals with a single-crystalline structure via overgrowing a ZIF-8 shell in methanol solution on a ZIF-8 core with water adsorbed in the pores. The cavities formed as a result of the different solvent micro-environment. This double-solvent mediated overgrowth method could be applied to prepare other MOFs with hierarchical porosity.

Original language	English
Pages (from-to)	19408-19412
Number of pages	5
Journal	Nanoscale
Volume	7
Issue number	46
DOIs	https://doi.org/10.1039/c5nr06532a
State	Published - 14 Dec 2015

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title = "Formation of hollow and mesoporous structures in single-crystalline microcrystals of metal-organic frameworks via double-solvent mediated overgrowth",

abstract = "The creation of hierarchical porosity in metal-organic frameworks (MOFs) could benefit various applications of MOFs such as gas storage and separation. Having single-crystalline microcrystals instead of poly-crystalline composites is critical for these potential applications of MOFs with hierarchical porosity. We developed a room temperature synthetic method to generate uniform hollow and mesoporous zeolitic imidazolate framework-8 (ZIF-8) microcrystals with a single-crystalline structure via overgrowing a ZIF-8 shell in methanol solution on a ZIF-8 core with water adsorbed in the pores. The cavities formed as a result of the different solvent micro-environment. This double-solvent mediated overgrowth method could be applied to prepare other MOFs with hierarchical porosity.",

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AU - Chou, Lien Yang

AU - Hu, Pan

AU - Zhuang, Jia

AU - Morabito, Joseph V.

AU - Ng, Ka Chon

AU - Kao, Ya Chuan

AU - Wang, Shao Chun

AU - Shieh, Fa Kuen

AU - Kuo, Chun Hong

AU - Tsung, Chia Kuang

PY - 2015/12/14

Y1 - 2015/12/14

N2 - The creation of hierarchical porosity in metal-organic frameworks (MOFs) could benefit various applications of MOFs such as gas storage and separation. Having single-crystalline microcrystals instead of poly-crystalline composites is critical for these potential applications of MOFs with hierarchical porosity. We developed a room temperature synthetic method to generate uniform hollow and mesoporous zeolitic imidazolate framework-8 (ZIF-8) microcrystals with a single-crystalline structure via overgrowing a ZIF-8 shell in methanol solution on a ZIF-8 core with water adsorbed in the pores. The cavities formed as a result of the different solvent micro-environment. This double-solvent mediated overgrowth method could be applied to prepare other MOFs with hierarchical porosity.

AB - The creation of hierarchical porosity in metal-organic frameworks (MOFs) could benefit various applications of MOFs such as gas storage and separation. Having single-crystalline microcrystals instead of poly-crystalline composites is critical for these potential applications of MOFs with hierarchical porosity. We developed a room temperature synthetic method to generate uniform hollow and mesoporous zeolitic imidazolate framework-8 (ZIF-8) microcrystals with a single-crystalline structure via overgrowing a ZIF-8 shell in methanol solution on a ZIF-8 core with water adsorbed in the pores. The cavities formed as a result of the different solvent micro-environment. This double-solvent mediated overgrowth method could be applied to prepare other MOFs with hierarchical porosity.

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JO - Nanoscale

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ER -

Formation of hollow and mesoporous structures in single-crystalline microcrystals of metal-organic frameworks via double-solvent mediated overgrowth

Abstract

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