Correction to: The calculation of the solubility of metal hydroxides, oxide-hydroxides, and oxides, and their visualisation in logarithmic diagrams

This much-anticipated new edition of Jolivet's work builds on the edition published in 2000. It is entirely updated, restructured and increased in content. The book focuses on the formation by techniques of green chemistry of oxide nanoparticles having a technological interest. Jolivet introduces the most recent concepts and modelings such as dynamics of particle growth, ordered aggregation, ionic and electronic interfacial transfers. A general view of the metal hydroxides, oxy-hydroxides and oxides through the periodic table is given, highlighting the influence of the synthesis conditions on crystalline structure, size and morphology of nanoparticles. The formation of aluminum, iron, titanium, manganese and zirconium oxides are specifically studied. These nanomaterials have a special interest in many technological fields such as ceramic powders, catalysis and photocatalysis, colored pigments, polymers, cosmetics and also in some biological or environmental phenomena.

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Zn(ferulate)-LSH Systems as Multifunctional Filters

Molecules ◽

10.3390/molecules26082349 ◽

2021 ◽

Vol 26 (8) ◽

pp. 2349

Author(s):

Gustavo Pereira Saito ◽

Ana Carolina Lanfredi Matsumoto ◽

Renata Pires Assis ◽

Iguatemy Lourenço Brunetti ◽

Marco Aurélio Cebim ◽

...

Keyword(s):

Structural Changes ◽

Reactive Species ◽

Layered Compounds ◽

Human Organism ◽

Metal Hydroxides ◽

Spectroscopic Analyses ◽

Carboxylate Groups ◽

Constant Ph ◽

Solar Radiation Exposure

Excessive UV solar radiation exposure causes human health risks; therefore, the study of multifunctional filters is important to skin UV protective ability and also to other beneficial activities to the human organism, such as reduction of reactive oxygen species (ROS) responsible for cellular damages. Potential multifunctional filters were obtained by intercalating of ferulate anions into layered simple metal hydroxides (LSH) through anion exchange and precipitation at constant pH methods. Ultrasound treatment was used in order to investigate the structural changes in LSH-ferulate materials. Structural and spectroscopic analyses show the formation of layered materials composed by a mixture of LSH intercalated with ferulate anions, where carboxylate groups of ferulate species interact with LSH layers. UV-VIS absorption spectra and in vitro SPF measurements indicate that LSH-ferulate systems have UV shielding capacity, mainly UVB protection. The results of reactive species assays show the ability of layered compounds in capture DPPH•, ABTS•+, ROO•, and HOCl/OCl− reactive species. LSH-ferulate materials exhibit antioxidant activity and singular optical properties that enable their use as multifunctional filters.

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Nickel–cobalt hydroxide: a positive electrode for supercapacitor applications

RSC Advances ◽

10.1039/d0ra01890b ◽

2020 ◽

Vol 10 (33) ◽

pp. 19410-19418

Author(s):

M. Sangeetha Vidhya ◽

G. Ravi ◽

R. Yuvakkumar ◽

Dhayalan Velauthapillai ◽

M. Thambidurai ◽

...

Keyword(s):

Metal Oxides ◽

Electrode Material ◽

Positive Electrode ◽

Cobalt Hydroxide ◽

Critical Component ◽

Metal Hydroxides ◽

Nickel Cobalt ◽

Supercapacitor Applications

So far, numerous metal oxides and metal hydroxides have been reported as an electrode material, a critical component in supercapacitors that determines the operation window of the capacitor.

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