Step-wise anion-exchange in layered double hydroxide using solvothermal treatment

Jong Hyeon Lee; Seog Woo Rhee; Duk Young Jung

doi:10.5012/bkcs.2005.26.2.248

Step-wise anion-exchange in layered double hydroxide using solvothermal treatment

Jong Hyeon Lee, Seog Woo Rhee, Duk Young Jung

Chemistry

Sungkyunkwan University

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

12 Scopus citations

Abstract

Synthetic layered double hydroxides (LDHs), [Mg₄Al ₂(OH)₁₂]CO₃·nH₂O, were prepared in the submicron size of plate-like polycrystals. Anion-exchange reactions with various linear dicarboxylic acids were performed to produce LDH/organic hybrid materials by solvothermal treatment in toluene. X-ray powder diffraction spectra for the products indicated that the interlayer spacings of LDHs remarkably changed, up to 20 Å when 1,10-decanedicarboxylic acid anions were intercalated as an organic guest. Dicarboxylates-LDHs samples could be also re-exchanged consecutively with other dicarboxylic acids or carbonate without serious destruction of layer structure under the scanning electron microscopic observation.

Original language	English
Pages (from-to)	248-252
Number of pages	5
Journal	Bulletin of the Korean Chemical Society
Volume	26
Issue number	2
DOIs	https://doi.org/10.5012/bkcs.2005.26.2.248
State	Published - 20 Feb 2005

Keywords

Anion exchange
Dicarboxylic acids
Layered double hydroxides
Solvothermal

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10.5012/bkcs.2005.26.2.248

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title = "Step-wise anion-exchange in layered double hydroxide using solvothermal treatment",

abstract = "Synthetic layered double hydroxides (LDHs), [Mg4Al 2(OH)12]CO3·nH2O, were prepared in the submicron size of plate-like polycrystals. Anion-exchange reactions with various linear dicarboxylic acids were performed to produce LDH/organic hybrid materials by solvothermal treatment in toluene. X-ray powder diffraction spectra for the products indicated that the interlayer spacings of LDHs remarkably changed, up to 20 {\AA} when 1,10-decanedicarboxylic acid anions were intercalated as an organic guest. Dicarboxylates-LDHs samples could be also re-exchanged consecutively with other dicarboxylic acids or carbonate without serious destruction of layer structure under the scanning electron microscopic observation.",

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T1 - Step-wise anion-exchange in layered double hydroxide using solvothermal treatment

AU - Lee, Jong Hyeon

AU - Rhee, Seog Woo

AU - Jung, Duk Young

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N2 - Synthetic layered double hydroxides (LDHs), [Mg4Al 2(OH)12]CO3·nH2O, were prepared in the submicron size of plate-like polycrystals. Anion-exchange reactions with various linear dicarboxylic acids were performed to produce LDH/organic hybrid materials by solvothermal treatment in toluene. X-ray powder diffraction spectra for the products indicated that the interlayer spacings of LDHs remarkably changed, up to 20 Å when 1,10-decanedicarboxylic acid anions were intercalated as an organic guest. Dicarboxylates-LDHs samples could be also re-exchanged consecutively with other dicarboxylic acids or carbonate without serious destruction of layer structure under the scanning electron microscopic observation.

AB - Synthetic layered double hydroxides (LDHs), [Mg4Al 2(OH)12]CO3·nH2O, were prepared in the submicron size of plate-like polycrystals. Anion-exchange reactions with various linear dicarboxylic acids were performed to produce LDH/organic hybrid materials by solvothermal treatment in toluene. X-ray powder diffraction spectra for the products indicated that the interlayer spacings of LDHs remarkably changed, up to 20 Å when 1,10-decanedicarboxylic acid anions were intercalated as an organic guest. Dicarboxylates-LDHs samples could be also re-exchanged consecutively with other dicarboxylic acids or carbonate without serious destruction of layer structure under the scanning electron microscopic observation.

KW - Anion exchange

KW - Dicarboxylic acids

KW - Layered double hydroxides

KW - Solvothermal

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Step-wise anion-exchange in layered double hydroxide using solvothermal treatment

Abstract

Keywords

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