Facile and green hydrothermal synthesis of MgAl/NiAl/ZnAl layered double hydroxide nanosheets: a physiochemical comparison
Layered double hydroxide (LDH) exhibits a remarkable trait referred to as the 'memory effect,' demonstrating its capacity to reconstruct its layered structure from calcined oxides through hydrothermal treatment. Its uniqueness has garnered significant interest from researchers in both indu...
Published in: | PURE AND APPLIED CHEMISTRY |
---|---|
Main Authors: | , , , , |
Format: | Article; Early Access |
Language: | English |
Published: |
WALTER DE GRUYTER GMBH
2024
|
Subjects: | |
Online Access: | https://www-webofscience-com.uitm.idm.oclc.org/wos/woscc/full-record/WOS:001216961100001 |
author |
Kamal Nur Alyaa; Pungot Noor Hidayah; Che Soh Siti Kamilah; Tajuddin Nazrizawati Ahmad |
---|---|
spellingShingle |
Kamal Nur Alyaa; Pungot Noor Hidayah; Che Soh Siti Kamilah; Tajuddin Nazrizawati Ahmad Facile and green hydrothermal synthesis of MgAl/NiAl/ZnAl layered double hydroxide nanosheets: a physiochemical comparison Chemistry |
author_facet |
Kamal Nur Alyaa; Pungot Noor Hidayah; Che Soh Siti Kamilah; Tajuddin Nazrizawati Ahmad |
author_sort |
Kamal |
spelling |
Kamal, Nur Alyaa; Pungot, Noor Hidayah; Che Soh, Siti Kamilah; Tajuddin, Nazrizawati Ahmad Facile and green hydrothermal synthesis of MgAl/NiAl/ZnAl layered double hydroxide nanosheets: a physiochemical comparison PURE AND APPLIED CHEMISTRY English Article; Early Access Layered double hydroxide (LDH) exhibits a remarkable trait referred to as the 'memory effect,' demonstrating its capacity to reconstruct its layered structure from calcined oxides through hydrothermal treatment. Its uniqueness has garnered significant interest from researchers in both industrial and academic domains. Various methods have been utilized to synthesize LDH but most LDH studies still utilize alkali precipitants which might taint the final LDH product. Thus, in this study, layered double hydroxides involving MgAl/NiAl/ZnAl were synthesized via an alkali-free hydrothermal approach in which the formed precipitates of LDH were thermally destroyed via calcination at 450 degrees C before undergoing a rehydration treatment at 110 degrees C for 24 h to restore its original structure. Particularly, the physiochemical properties of MgAl/NiAl/ZnAl LDH have been undertaken by multiple techniques such as Powder X-ray Diffraction (PXRD), thermogravimetric analysis (TGA), Brunauer-Emmett-Teller (BET), Field Emission Scanning Electron Microscope (FESEM) and Fourier-transform infrared spectroscopy (FTIR). The resultant products exhibited exceptional crystallinity, accompanied by notably larger crystallite sizes and crystallinity index, particularly post-hydrothermal treatment. Among the fresh and calcined products studied, those subjected to HTM (4:1) treatment demonstrated the highest specific surface area and crystallinity surpassing both the fresh and calcined samples. In essence, this research showcased how utilizing the hydrothermal approach resulted in the most substantial increase in crystallite size and specific surface area. WALTER DE GRUYTER GMBH 0033-4545 1365-3075 2024 10.1515/pac-2024-0014 Chemistry WOS:001216961100001 https://www-webofscience-com.uitm.idm.oclc.org/wos/woscc/full-record/WOS:001216961100001 |
title |
Facile and green hydrothermal synthesis of MgAl/NiAl/ZnAl layered double hydroxide nanosheets: a physiochemical comparison |
title_short |
Facile and green hydrothermal synthesis of MgAl/NiAl/ZnAl layered double hydroxide nanosheets: a physiochemical comparison |
title_full |
Facile and green hydrothermal synthesis of MgAl/NiAl/ZnAl layered double hydroxide nanosheets: a physiochemical comparison |
title_fullStr |
Facile and green hydrothermal synthesis of MgAl/NiAl/ZnAl layered double hydroxide nanosheets: a physiochemical comparison |
title_full_unstemmed |
Facile and green hydrothermal synthesis of MgAl/NiAl/ZnAl layered double hydroxide nanosheets: a physiochemical comparison |
title_sort |
Facile and green hydrothermal synthesis of MgAl/NiAl/ZnAl layered double hydroxide nanosheets: a physiochemical comparison |
container_title |
PURE AND APPLIED CHEMISTRY |
language |
English |
format |
Article; Early Access |
description |
Layered double hydroxide (LDH) exhibits a remarkable trait referred to as the 'memory effect,' demonstrating its capacity to reconstruct its layered structure from calcined oxides through hydrothermal treatment. Its uniqueness has garnered significant interest from researchers in both industrial and academic domains. Various methods have been utilized to synthesize LDH but most LDH studies still utilize alkali precipitants which might taint the final LDH product. Thus, in this study, layered double hydroxides involving MgAl/NiAl/ZnAl were synthesized via an alkali-free hydrothermal approach in which the formed precipitates of LDH were thermally destroyed via calcination at 450 degrees C before undergoing a rehydration treatment at 110 degrees C for 24 h to restore its original structure. Particularly, the physiochemical properties of MgAl/NiAl/ZnAl LDH have been undertaken by multiple techniques such as Powder X-ray Diffraction (PXRD), thermogravimetric analysis (TGA), Brunauer-Emmett-Teller (BET), Field Emission Scanning Electron Microscope (FESEM) and Fourier-transform infrared spectroscopy (FTIR). The resultant products exhibited exceptional crystallinity, accompanied by notably larger crystallite sizes and crystallinity index, particularly post-hydrothermal treatment. Among the fresh and calcined products studied, those subjected to HTM (4:1) treatment demonstrated the highest specific surface area and crystallinity surpassing both the fresh and calcined samples. In essence, this research showcased how utilizing the hydrothermal approach resulted in the most substantial increase in crystallite size and specific surface area. |
publisher |
WALTER DE GRUYTER GMBH |
issn |
0033-4545 1365-3075 |
publishDate |
2024 |
container_volume |
|
container_issue |
|
doi_str_mv |
10.1515/pac-2024-0014 |
topic |
Chemistry |
topic_facet |
Chemistry |
accesstype |
|
id |
WOS:001216961100001 |
url |
https://www-webofscience-com.uitm.idm.oclc.org/wos/woscc/full-record/WOS:001216961100001 |
record_format |
wos |
collection |
Web of Science (WoS) |
_version_ |
1809679004826861568 |