Size- and morphology-controlled NH2-MIL-53(Al) prepared in DMF-water mixed solvents

Xinquan Cheng, Anfeng Zhang, Keke Hou, Min Liu, Yingxia Wang, Chunshan Song, Guoliang Zhang, Xinwen Guo

Research output: Contribution to journalArticle

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Abstract

We present here a simple solvothermal method to fabricate metal-organic framework NH2-MIL-53(Al) crystals with controllable size and morphology just by altering the ratio of water in the DMF-water mixed solvent system without the addition of any surfactants or capping agents. With increasing the volume ratio of water in the mixed solvents, a series of NH 2-MIL-53(Al) crystals with different sizes and morphologies were synthesized. The average size of the smallest crystal is 76 ± 20 nm, which provides us a simple and environmentally friendly way to prepare nanoscale MOFs. The largest BET surface area of these samples is 1882 m2 g-1 that is mainly contributed by its micropore surface area, and its corresponding micropore volume is 0.83 cm3 g-1, which have greatly extended its application in the fields of gas adsorption and postsynthetic modification. All these samples were characterized by SEM, XRD, N2 adsorption/desorption, TGA and FT-IR. Then a mechanism for the impact of the water ratio on the crystal size and morphology is presented and discussed.

Original languageEnglish (US)
Pages (from-to)13698-13705
Number of pages8
JournalDalton Transactions
Volume42
Issue number37
DOIs
StatePublished - Oct 7 2013

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Crystals
Water
Gas adsorption
Surface-Active Agents
Desorption
Metals
Adsorption
Scanning electron microscopy
N(1)-methyl-2-lysergic acid diethylamide

All Science Journal Classification (ASJC) codes

  • Inorganic Chemistry

Cite this

Cheng, Xinquan ; Zhang, Anfeng ; Hou, Keke ; Liu, Min ; Wang, Yingxia ; Song, Chunshan ; Zhang, Guoliang ; Guo, Xinwen. / Size- and morphology-controlled NH2-MIL-53(Al) prepared in DMF-water mixed solvents. In: Dalton Transactions. 2013 ; Vol. 42, No. 37. pp. 13698-13705.
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abstract = "We present here a simple solvothermal method to fabricate metal-organic framework NH2-MIL-53(Al) crystals with controllable size and morphology just by altering the ratio of water in the DMF-water mixed solvent system without the addition of any surfactants or capping agents. With increasing the volume ratio of water in the mixed solvents, a series of NH 2-MIL-53(Al) crystals with different sizes and morphologies were synthesized. The average size of the smallest crystal is 76 ± 20 nm, which provides us a simple and environmentally friendly way to prepare nanoscale MOFs. The largest BET surface area of these samples is 1882 m2 g-1 that is mainly contributed by its micropore surface area, and its corresponding micropore volume is 0.83 cm3 g-1, which have greatly extended its application in the fields of gas adsorption and postsynthetic modification. All these samples were characterized by SEM, XRD, N2 adsorption/desorption, TGA and FT-IR. Then a mechanism for the impact of the water ratio on the crystal size and morphology is presented and discussed.",
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Cheng, X, Zhang, A, Hou, K, Liu, M, Wang, Y, Song, C, Zhang, G & Guo, X 2013, 'Size- and morphology-controlled NH2-MIL-53(Al) prepared in DMF-water mixed solvents', Dalton Transactions, vol. 42, no. 37, pp. 13698-13705. https://doi.org/10.1039/c3dt51322j

Size- and morphology-controlled NH2-MIL-53(Al) prepared in DMF-water mixed solvents. / Cheng, Xinquan; Zhang, Anfeng; Hou, Keke; Liu, Min; Wang, Yingxia; Song, Chunshan; Zhang, Guoliang; Guo, Xinwen.

In: Dalton Transactions, Vol. 42, No. 37, 07.10.2013, p. 13698-13705.

Research output: Contribution to journalArticle

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AU - Cheng, Xinquan

AU - Zhang, Anfeng

AU - Hou, Keke

AU - Liu, Min

AU - Wang, Yingxia

AU - Song, Chunshan

AU - Zhang, Guoliang

AU - Guo, Xinwen

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Y1 - 2013/10/7

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AB - We present here a simple solvothermal method to fabricate metal-organic framework NH2-MIL-53(Al) crystals with controllable size and morphology just by altering the ratio of water in the DMF-water mixed solvent system without the addition of any surfactants or capping agents. With increasing the volume ratio of water in the mixed solvents, a series of NH 2-MIL-53(Al) crystals with different sizes and morphologies were synthesized. The average size of the smallest crystal is 76 ± 20 nm, which provides us a simple and environmentally friendly way to prepare nanoscale MOFs. The largest BET surface area of these samples is 1882 m2 g-1 that is mainly contributed by its micropore surface area, and its corresponding micropore volume is 0.83 cm3 g-1, which have greatly extended its application in the fields of gas adsorption and postsynthetic modification. All these samples were characterized by SEM, XRD, N2 adsorption/desorption, TGA and FT-IR. Then a mechanism for the impact of the water ratio on the crystal size and morphology is presented and discussed.

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