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Synthesis, characterization and applications of layered double hydroxides containing organic guests
Steven P. Newman,William Jones +1 more
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TLDR
The use of layered inorganic solids as host materials for the creation of inorganic-organic host-guest supramolecular structures is of increasing interest as mentioned in this paper, and potential applications of organo-LDHs in the areas of catalysis, sorption, photochemistry and electrochemistry are outlined.Abstract:
The use of layered inorganic solids as host materials for the creation of inorganic–organic host-guest supramolecular structures is of increasing interest. In this review we outline the preparation, characterization and uses of layered double hydroxides (LDHs) containing organic guests. LDHs consist of stacks of positively charged mixed metal hydroxide layers that require the presence of interlayer anions to maintain overall charge neutrality. A range of organic guests may be incorporated, including aliphatic and aromatic carboxylates, sulfonates and phosphonates as well as porphyrin and phthalocyanine derivatives. Potential applications of organo-LDHs in the areas of catalysis, sorption, photochemistry and electrochemistry are outlined. Overall, it is demonstrated that with LDHs it is possible to create, in a systematic manner, novel inorganic–organic supramolecular structures.read more
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Oxidation of Alcohols with Molecular Oxygen on Solid Catalysts
Tamas Mallat,Alfons Baiker +1 more
TL;DR: It is considered more feasible that the rate-deter-mining step is the cleavage of the C-H bond at the R-carbon atom, and the active site consists of an ensemble of metallic Auatoms and a cationic Au.
Journal ArticleDOI
Application of layered double hydroxides for removal of oxyanions: A review
TL;DR: This review critically identifies the shortcomings in current research on LDHs, such as the common weaknesses in the adopted methodology, discrepancies among reported results and ambiguous conclusions.
Journal ArticleDOI
Synthesis, anion exchange, and delamination of Co-Al layered double hydroxide: assembly of the exfoliated nanosheet/polyanion composite films and magneto-optical studies.
TL;DR: This paper describes a systematic study on the synthesis, anion exchange, and delamination of Co-Al layered double hydroxide (LDH), with the aim of achieving fabrication and clarifying the properties of LDH nanosheet/polyanion composite films.
Journal ArticleDOI
Crystallization behavior of poly(ε-caprolactone)/layered double hydroxide nanocomposites
TL;DR: In this article, the nonisothermal melt crystallization kinetics of poly(e-caprolactone) (PCL)/layered double hydroxide (LDH) nanocomposites were investigated with the Ozawa, Avrami, and combined Avramian-Ozawa methods.
References
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Journal ArticleDOI
Hydrotalcite-type anionic clays: Preparation, properties and applications.
Journal ArticleDOI
Anion-exchange properties of hydrotalcite-like compounds
TL;DR: Ion exchange isotherms between hydrotalcite-like (HT) ions were determined and the spacing and width of the 003 reflection were measured as a function of HT composition as mentioned in this paper.
Journal ArticleDOI
Intercalated Clay Catalysts
TL;DR: The intercalation of polynuclear hydroxy metal cations and metal cluster cations in smectites affords new pillared clay catalysts with pore sizes that can be made larger than those of conventional zeolite catalysts.
Journal ArticleDOI
Photofunctions of intercalation compounds
Makoto Ogawa,Kazuyuki Kuroda +1 more
TL;DR: In this paper, the authors review the studies on the photofunctions of intercalation compounds, focusing mainly on the role of layered structure on the organization of photoactive species; they discuss only in connection with the microscopic structures.
Journal ArticleDOI
The Syntheses of Hydrotalcite-Like Compounds and Their Structures and Physico-Chemical Properties I: The Systems Mg2+-Al3+-NO3-, Mg2+-Al3+-Cl-, Mg2+-Al3+-ClO4-, Ni2+-Al3+-Cl- and Zn2+-Al3+-Cl-
TL;DR: The basic salts of this system were prepared and their structures and physico-chemical properties were studies by electron microscopy, chemical analysis, X-ray powder diffraction, thermal analysis, and acidity-basicity measurements as mentioned in this paper.
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