نتایج جستجو برای: double layered hydroxide

تعداد نتایج: 284516  

2013
Aires da Conceição Silva Jaqueline Dias Senra Andréa Luzia Ferreira de Souza Luiz Fernando Brum Malta

The formation of Pd(0) in the absence of any classical reducing agent in a medium containing Mg(2+)/Al(3+) layered double hydroxide (LDH) and N,N-dimethylformamide was evidenced. XRD analysis showed the presence of crystalline phases of palladium in the Pd/LDH composite. Suzuki-Miyaura reactions in aqueous medium were carried out at room temperature, and good yields were obtained with bromoaren...

2010
ianggui Kong Jingwen Zhao Jingbin Han Danyao Zhang Min Wei Xue Duan

A facile enzyme-free hydrogenperoxide electrochemical sensorwas fabricated based onmultilayer ultrathin film containing Naphthol green B anions (NGB) and exfoliated nanosheets of Co–Al layered double hydroxide (LDH) via layer-by-layer self-assembly technique. The X-ray diffraction pattern indicates the superlattice structure of the filmwith repeating distance of 4.15nm; SEM and AFM images show ...

Journal: :Dalton transactions 2016
Amir Moezzi Michael Cortie Andrew McDonagh

Thermal decomposition of layered zinc hydroxide double salts provides an interesting alternative synthesis for particles of zinc oxide. Here, we examine the sequence of changes occurring as zinc hydroxide chloride monohydrate (Zn5(OH)8Cl2·H2O) is converted to crystalline ZnO by thermal decomposition. The specific surface area of the resultant ZnO measured by BET was 1.3 m(2) g(-1). A complicati...

2007
Alessia Aguzzi Valeria Ambrogi Umberto Costantino Fabio Marmottini

Acrylate and methacrylate anions containing double bond and carboxylic groups, were intercalated in the interlayer region of a layered double hydroxide of formula: [Zn0.66Al0.34(OH)2](NO3)0.34 0.62H2O. The intercalation compounds obtained have been characterized for their chemical composition and with different instrumental techniques (X-ray powder diffraction, thermal analysis, FT-IR absorptio...

Journal: :Journal of Japan Society of Civil Engineers, Ser. G (Environmental Research) 2013

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