On the intercalation of the iodine-iodide couple on layered double hydroxides with different particle sizes

Maria Bastianini; Daniele Costenaro; Chiara Bisio; Leonardo Marchese; Umberto Costantino; Riccardo Vivani; Morena Nocchetti

doi:10.1021/ic202520v

On the intercalation of the iodine-iodide couple on layered double hydroxides with different particle sizes

Maria Bastianini, Daniele Costenaro, Chiara Bisio, Leonardo Marchese, Umberto Costantino, Riccardo Vivani, Morena Nocchetti

Department of Science and Technological Innovation

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

Abstract

Molecular iodine was intercalated from nonaqueous solution into microsized ZnAl-layered double hydroxide (LDH)in the iodide form, generating the I ₃ -/I-redox couple into the interlayer region. Chloroform, ethanol, acetonitrile, or diethyl ether were used as solvents to dissolve the molecular iodine. The intercalation compounds were characterized by thermogravimetric analysis, X-ray powder diffraction, UV-vis spectroscopy, and scanning and transmission electron microscopy. The stability of iodine-solvent adducts and the iodine concentration affected the LDH iodine loading, and samples with I ₂/I-molar ratio ranging from 0.14 to 0.82 were prepared. Nanosized, well dispersible LDH, synthesized by the urea method in water-ethylene glycol media, were also prepared and successfully functionalized with the I ₃ -/I-redox couple applying the conditions optimized for the micrometric systems.

Original language	English
Pages (from-to)	2560-2568
Number of pages	9
Journal	Inorganic Chemistry
Volume	51
Issue number	4
DOIs	https://doi.org/10.1021/ic202520v
Publication status	Published - 20 Feb 2012

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abstract = "Molecular iodine was intercalated from nonaqueous solution into microsized ZnAl-layered double hydroxide (LDH)in the iodide form, generating the I 3 -/I-redox couple into the interlayer region. Chloroform, ethanol, acetonitrile, or diethyl ether were used as solvents to dissolve the molecular iodine. The intercalation compounds were characterized by thermogravimetric analysis, X-ray powder diffraction, UV-vis spectroscopy, and scanning and transmission electron microscopy. The stability of iodine-solvent adducts and the iodine concentration affected the LDH iodine loading, and samples with I 2/I-molar ratio ranging from 0.14 to 0.82 were prepared. Nanosized, well dispersible LDH, synthesized by the urea method in water-ethylene glycol media, were also prepared and successfully functionalized with the I 3 -/I-redox couple applying the conditions optimized for the micrometric systems.",

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T1 - On the intercalation of the iodine-iodide couple on layered double hydroxides with different particle sizes

AU - Bastianini, Maria

AU - Costenaro, Daniele

AU - Bisio, Chiara

AU - Marchese, Leonardo

AU - Costantino, Umberto

AU - Vivani, Riccardo

AU - Nocchetti, Morena

PY - 2012/2/20

Y1 - 2012/2/20

N2 - Molecular iodine was intercalated from nonaqueous solution into microsized ZnAl-layered double hydroxide (LDH)in the iodide form, generating the I 3 -/I-redox couple into the interlayer region. Chloroform, ethanol, acetonitrile, or diethyl ether were used as solvents to dissolve the molecular iodine. The intercalation compounds were characterized by thermogravimetric analysis, X-ray powder diffraction, UV-vis spectroscopy, and scanning and transmission electron microscopy. The stability of iodine-solvent adducts and the iodine concentration affected the LDH iodine loading, and samples with I 2/I-molar ratio ranging from 0.14 to 0.82 were prepared. Nanosized, well dispersible LDH, synthesized by the urea method in water-ethylene glycol media, were also prepared and successfully functionalized with the I 3 -/I-redox couple applying the conditions optimized for the micrometric systems.

AB - Molecular iodine was intercalated from nonaqueous solution into microsized ZnAl-layered double hydroxide (LDH)in the iodide form, generating the I 3 -/I-redox couple into the interlayer region. Chloroform, ethanol, acetonitrile, or diethyl ether were used as solvents to dissolve the molecular iodine. The intercalation compounds were characterized by thermogravimetric analysis, X-ray powder diffraction, UV-vis spectroscopy, and scanning and transmission electron microscopy. The stability of iodine-solvent adducts and the iodine concentration affected the LDH iodine loading, and samples with I 2/I-molar ratio ranging from 0.14 to 0.82 were prepared. Nanosized, well dispersible LDH, synthesized by the urea method in water-ethylene glycol media, were also prepared and successfully functionalized with the I 3 -/I-redox couple applying the conditions optimized for the micrometric systems.

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On the intercalation of the iodine-iodide couple on layered double hydroxides with different particle sizes

Abstract

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