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Synthesis and characterisation of layered double hydroxides with varying divalent metal cations: Mg2+, Zn2+, Ca2+

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dc.citedby1
dc.contributor.authorLimau Jadam M.en_US
dc.contributor.authorHalimah Sarijo S.en_US
dc.contributor.authorJubri Z.en_US
dc.contributor.authorid57193566449en_US
dc.contributor.authorid57701645200en_US
dc.contributor.authorid35778292400en_US
dc.date.accessioned2023-05-29T09:40:46Z
dc.date.available2023-05-29T09:40:46Z
dc.date.issued2022
dc.descriptionAluminum compounds; Fourier transform infrared spectroscopy; Magnesium; Nitrates; Physicochemical properties; Positive ions; Precipitation (chemical); Scanning electron microscopy; Thermogravimetric analysis; Zinc; Ca 2+; Fourier transform infrared spectra; Hydrocalumite; Hydrotalcites; Layered-double hydroxides; Magnesium-aluminum layered double hydroxides; Synthesised; Zinc aluminiums; Zinc-aluminum; Zn 2+; Calciumen_US
dc.description.abstractThis study aims to investigate the physicochemical properties of layered double hydroxides (LDH) with different divalent metal (M2+) cations. A series of nitrate-based LDH materials was synthesised by using aluminium (Al3+) as a trivalent cation (M3+) with varying M2+ cations such as magnesium (Mg2+), zinc (Zn2+), and calcium (Ca2+) ions to prepare magnesium�aluminium-layered double hydroxide (MgAl-LDH), zinc�aluminium-layered double hydroxide (ZnAl-LDH), and calcium�aluminium-layered double hydroxide (CaAl-LDH), respectively. MgAl-LDH and ZnAl-LDH were synthesised by the co-precipitation method, whereas CaAl-LDH was prepared by the hydrothermal method. The samples were characterised by powder X-ray diffraction (PXRD), Fourier transform infrared spectra (FTIR), thermogravimetric and differential thermogravimetric analysis (TGA/DTG), field emission scanning electron microscope (FESEM), and accelerated surface area and porosity (ASAP) analysis. The PXRD patterns show that MgAl-LDH (9.8 �) had the greatest interlayer spacing, followed by ZnAl-LDH (8.9 �), and CaAl-LDH (8.7 �). The FTIR spectra clearly confirms the presence of nitrate ions in the LDH structure. Two-step degradation behaviour of the samples was observed in the TGA curve. The LDHs exhibit Type IV isotherms and hexagonal structures were observed on the FESEM images. � 2022en_US
dc.description.natureFinalen_US
dc.identifier.doi10.1016/j.matpr.2022.05.162
dc.identifier.epage4019
dc.identifier.issueP10
dc.identifier.scopus2-s2.0-85130431644
dc.identifier.spage4015
dc.identifier.urihttps://www.scopus.com/inward/record.uri?eid=2-s2.0-85130431644&doi=10.1016%2fj.matpr.2022.05.162&partnerID=40&md5=b400154e10ff1e8551d3f939fb5bf122
dc.identifier.urihttps://irepository.uniten.edu.my/handle/123456789/27193
dc.identifier.volume66
dc.publisherElsevier Ltden_US
dc.sourceScopus
dc.sourcetitleMaterials Today: Proceedings
dc.titleSynthesis and characterisation of layered double hydroxides with varying divalent metal cations: Mg2+, Zn2+, Ca2+en_US
dc.typeArticleen_US
dspace.entity.typePublication
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