Ionic liquid-templated synthesis of 10-MR zeolites and its origin disclosure

Xuemin Li; Calvin Ku; Yanghwan Jeong; Owen J. Curnow; Patrick H.L. Sit; Zhijie Wu; Jungkyu Choi; Alex C.K. Yip

doi:10.1016/j.micromeso.2020.110346

Ionic liquid-templated synthesis of 10-MR zeolites and its origin disclosure

Xuemin Li, Calvin Ku, Yanghwan Jeong, Owen J. Curnow, Patrick H.L. Sit, Zhijie Wu, Jungkyu Choi, Alex C.K. Yip

Department of Chemical and Biological Engineering

Research output: Contribution to journal › Article

Abstract

Ionic liquids (ILs) have been used as the template/structure-directing agent (SDA) for the synthesis of crystalline materials, including aluminophosphates, metal-organic frameworks (MOFs), and covalent organic frameworks (COFs). This work unravels the structure-directing role of the imidazolium in ILs in 10-membered-ring zeolite synthesis. Herein, we report the key IL structure-dependent parameters affecting the synthesis of TON and MFI zeolites with one-dimensional (1D) and three-dimensional (3D) channel structures, respectively. The imidazolium dictates the resulting zeolite type and the morphologies of the TON and MFI zeolites are predominantly influenced by both the cations and the silica sources. The structure-directing properties of ILs are supported by the lowered energy state determined by density functional theory (DFT) calculations.

Original language	English
Article number	110346
Journal	Microporous and Mesoporous Materials
Volume	305
DOIs	https://doi.org/10.1016/j.micromeso.2020.110346
Publication status	Published - 2020 Oct 1

Keywords

Hydrothermal synthesis
Ionic liquid
Molecular modelling
Structural-directing
Zeolite

ASJC Scopus subject areas

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

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Li, X., Ku, C., Jeong, Y., Curnow, O. J., Sit, P. H. L., Wu, Z., Choi, J., & Yip, A. C. K. (2020). Ionic liquid-templated synthesis of 10-MR zeolites and its origin disclosure. Microporous and Mesoporous Materials, 305, [110346]. https://doi.org/10.1016/j.micromeso.2020.110346

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title = "Ionic liquid-templated synthesis of 10-MR zeolites and its origin disclosure",

abstract = "Ionic liquids (ILs) have been used as the template/structure-directing agent (SDA) for the synthesis of crystalline materials, including aluminophosphates, metal-organic frameworks (MOFs), and covalent organic frameworks (COFs). This work unravels the structure-directing role of the imidazolium in ILs in 10-membered-ring zeolite synthesis. Herein, we report the key IL structure-dependent parameters affecting the synthesis of TON and MFI zeolites with one-dimensional (1D) and three-dimensional (3D) channel structures, respectively. The imidazolium dictates the resulting zeolite type and the morphologies of the TON and MFI zeolites are predominantly influenced by both the cations and the silica sources. The structure-directing properties of ILs are supported by the lowered energy state determined by density functional theory (DFT) calculations.",

keywords = "Hydrothermal synthesis, Ionic liquid, Molecular modelling, Structural-directing, Zeolite",

author = "Xuemin Li and Calvin Ku and Yanghwan Jeong and Curnow, {Owen J.} and Sit, {Patrick H.L.} and Zhijie Wu and Jungkyu Choi and Yip, {Alex C.K.}",

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AU - Li, Xuemin

AU - Ku, Calvin

AU - Jeong, Yanghwan

AU - Curnow, Owen J.

AU - Sit, Patrick H.L.

AU - Wu, Zhijie

AU - Choi, Jungkyu

AU - Yip, Alex C.K.

PY - 2020/10/1

Y1 - 2020/10/1

N2 - Ionic liquids (ILs) have been used as the template/structure-directing agent (SDA) for the synthesis of crystalline materials, including aluminophosphates, metal-organic frameworks (MOFs), and covalent organic frameworks (COFs). This work unravels the structure-directing role of the imidazolium in ILs in 10-membered-ring zeolite synthesis. Herein, we report the key IL structure-dependent parameters affecting the synthesis of TON and MFI zeolites with one-dimensional (1D) and three-dimensional (3D) channel structures, respectively. The imidazolium dictates the resulting zeolite type and the morphologies of the TON and MFI zeolites are predominantly influenced by both the cations and the silica sources. The structure-directing properties of ILs are supported by the lowered energy state determined by density functional theory (DFT) calculations.

AB - Ionic liquids (ILs) have been used as the template/structure-directing agent (SDA) for the synthesis of crystalline materials, including aluminophosphates, metal-organic frameworks (MOFs), and covalent organic frameworks (COFs). This work unravels the structure-directing role of the imidazolium in ILs in 10-membered-ring zeolite synthesis. Herein, we report the key IL structure-dependent parameters affecting the synthesis of TON and MFI zeolites with one-dimensional (1D) and three-dimensional (3D) channel structures, respectively. The imidazolium dictates the resulting zeolite type and the morphologies of the TON and MFI zeolites are predominantly influenced by both the cations and the silica sources. The structure-directing properties of ILs are supported by the lowered energy state determined by density functional theory (DFT) calculations.

KW - Hydrothermal synthesis

KW - Ionic liquid

KW - Molecular modelling

KW - Structural-directing

KW - Zeolite

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