نتایج جستجو برای: layered double hydroxides ldhs

تعداد نتایج: 272292  

2016
Huan Qi Jonathan Wolfe Denis Fichou Zhong Chen

Layered double hydroxides (LDHs) are bimetallic hydroxides that currently attract considerable attention as co-catalysts in photoelectrochemical (PEC) systems in view of water splitting under solar light. A wide spectrum of LDHs can be easily prepared on demand by tuning their chemical composition and structural morphology. We describe here the electrochemical growth of NiFe-LDH overlayers on C...

Journal: :Walailak Journal of Science and Technology 2021

The ZnAl Layered double hydroxides (LDHs) have been successfully synthesized by the coprecipitation method, followed intercalation using Keggin ion of ?-dodecatungstosilicic acid [?-SiW12O40]4- to form ZnAl-[?-SiW12O40] LDHs. prepared ZnAl-[SiW12O40] LDHs were characterized X-Ray, FTIR, and BET surface area analyses, which were, then, used as adsorbents malachite green dye from aqueous solution...

Journal: :Chemical Engineering Journal 2021

Mg-Al layered double hydroxides (LDHs) were applied to soils for controlling phosphorus (P) loss. The subsequent slow-release of immobilized P in LDHs-soil system is crucial its bioavailability crops. Saturated column experiments conducted investigate the influence carbonate and flow interruption (FI) on release retention phosphate results compared those obtained under bicarbonate or continuous...

Journal: :Vestnik NÂC RK (Print) 2022

Recently, layered double hydroxides (LDHs) have been developed for more potential applications in various industry fields. Many synthesis methods of LDHs the literature considered and classified by changing properties. However, property change method does not happen same way all LDHs. Also, when LDH with composition is synthesized method, it possible to obtain but different properties due react...

2012
Samer Hasan Hussein-Al-Ali Mothanna Al-Qubaisi Mohd Zobir Hussein Maznah Ismail Zulkarnain Zainal Muhammad Nazrul Hakim

The intercalation of cetirizine into two types of layered double hydroxides, Zn/Al and Mg/Al, has been investigated by the ion exchange method to form CTZAN and CTMAN nanocomposites, respectively. The basal spacing of the nanocomposites were expanded to 31.9 Å for CTZAN and 31.2 Å for CTMAN, suggesting that cetirizine anion was intercalated into Layered double hydroxides (LDHs) and arranged in ...

Journal: :Chemsuschem 2023

The Cover Feature shows structural reconstructed cobalt-iron layered double hydroxides featuring copious structure defects that can act as a high-capacity cathode for ammonium-ion storage, which deliver high reversible capacity well excellent rate capability. Furthermore, high-energy density hybrid supercapacitor has been assembled with (LDHs) the and hierarchical carbon anode. More information...

Journal: :Coatings 2023

Zinc–aluminum layered double hydroxides (ZnAl-LDHs) film is a typical effective corrosion resistant currently being explored. In this study, ZnAl-LDHs was prepared on magnesium alloys with different surface roughness by means of metallographic preparation combined the hydrothermal method. When Sa at minimum 0.094 μm, ZnAl-LDH films grew most intensely, reaching 3.8 μm in thickness static contac...

Journal: :AIP Advances 2023

This study was initiated to explore a method for producing higher photocatalytic performance in layered double hydroxides (LDHs) through the preparation of ultrathin nanosheets, which would generate surface area (SA). Herein, is detailed fabricating Ni2+-Al3+-LDHs with flower-like morphology assembled from an nanosheet (Ni2+-Al3+-LDHs-U) employing low temperature-reflux together surfactant. The...

Journal: :Nature communications 2014
Fang Song Xile Hu

The oxygen evolution reaction is a key reaction in water splitting. The common approach in the development of oxygen evolution catalysts is to search for catalytic materials with new and optimized chemical compositions and structures. Here we report an orthogonal approach to improve the activity of catalysts without alternating their compositions or structures. Specifically, liquid phase exfoli...

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