Synthesis and characterization of Mn intercalated Mg-Al hydrotalcite

Yang, Cheng‐Xue; Liao, Libing; Lv, Guocheng; Wu, Limei; Mei, Lefu; Li, Zhaohui

doi:10.1016/j.jcis.2016.06.057

Cited by 43 publications

(23 citation statements)

References 23 publications

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“…Anions are divalent e.g. carbonate, sulphate or nitrate (Kikhtyanin at al., 2016;Yang et al, 2016;. The range of metal cations which may be incorporated into the positive charge layer is relatively wide and is determined by their size, which should be similar to that of Mg 2+ for divalent cations and that of Al 3+ for trivalent cations (Basąg et al, 2016).…”

Section: Introductionmentioning

confidence: 99%

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FTIR study of hydrotalcite

Mališová

Horňáček

Mikulec

et al. 2018

Acta Chimica Slovaca

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The aim of the research was the study of aluminium-magnesium hydrotalcite by FTIR analysis and detection of differences in structure due to calcination. Three types of samples were analysed. In the fi rst two samples, cobalt was added into the structure and the third sample contained nickel and zinc. Hydrotalcite was prepared by one of the most common methods of hydrotalcite preparation, co-precipitation. After preparation, the samples were calcined at temperatures from 150 °C to 750 °C. Samples were compared in terms of calcination temperature; but in case of samples containing cobalt, two samples to each other. The most signifi cant changes were noticed in the 500-700 cm -1 region, where a spinel structure was formed at higher calcination temperatures.

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Section: Introductionmentioning

confidence: 99%

“…Weak chemical bonds between the sheet structure and the interlayer anions contribute to the ion exchange abilities of HT. Due to its properties and the content of ions in the interlayer, HT is included in the group of anionic clays (Yang et al, 2016).…”

Section: Introductionmentioning

confidence: 99%

FTIR study of hydrotalcite

Mališová

Horňáček

Mikulec

et al. 2018

Acta Chimica Slovaca

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“…Manganese is frequently incorporated in LDH structures: as a divalent cation with Al 3+ [17,18,19] or as a trivalent cation with Mg 2+ , Zn 2+ or Co 2+ [20,21,22,23] because of its photocatalytic potential [24]. These LDH can be used for phototherapy against cancers [25], for electrocatalytic detection of hydrogen peroxide [23] or as an electrode for oxygen [26].…”

Section: Introductionmentioning

confidence: 99%

Synthesis and Characterization of a New Monometallic Manganese Layered Double Hydroxide with Unique Redox Properties

Coustel¹,

Renard²,

Durand³

et al. 2020

Preprint

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Iron and cobalt monometallic Layered Double Hydroxide (LDH), combining divalent and trivalent cations of the same chemical element, are commonly used respectively for nitrate reduction and oxygen evolution reaction. This article reports the first synthesis of a LDH using only manganese as metallic ion. X-Ray diffractograms, infrared and Raman spectra show that the structure obtained through the oxidation of a basic MnII salt with persulfate is comparable to the structure of Fe-LDH also known as Green Rust. XPS shows that in this solid coexist MnII and MnIII states. Thermodynamic considerations predict that this solid can reduce nitrate into gaseous nitrogen without further reduction into ammonium or ammonia unlike what is observed for Fe-LDH.

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“…x (OH -) 2 (A -n ) x/n seja respeitada, onde M +2 e M +3 são, respectivamente, os cátions divalentes e trivalentes, e A -n são os ânions YANG et al, 2016). A possibilidade de adsorção de outros ânions e de moléculas orgânicas polares faz deste tipo de material um ótimo adsorvente para descontaminação ambiental e purificação de água, pois o processo de sorção pode ser obtido também por adsorção superficial.…”

Section: Introductionunclassified

“…Argilas aniônicas também conhecidas como hidróxidos duplos lamelares (HDL), sintéticos ou naturais, onde apresenta no seu espaço interlamelar as espécies aniônicas, essas argilas aniônicas são minerais particularmente raras e são se associa a formações metamórficas. Estes minerais podem ocorrer em ambientes como depósitos salinos, o que comprova que altas temperaturas e pressões não são extremamente necessárias para a formação de estruturas HDL estáveis (CREPALDI et al, 1998;BRAVO-SUÁREZ et al, 2004;YANG et al, 2016;JATAV et al, 2016).…”

Section: Introductionunclassified