Super adsorption capability from amorphousization of metal oxide nanoparticles for dye removal

Scientific Reports
L H LiG W Yang

Abstract

Transitional metal oxide nanoparticles as advanced environment and energy materials require very well absorption performance to apply in practice. Although most metal oxides are based on crystalline, high activities can also be achieved with amorphous phases. Here, we reported the adsorption behavior and mechanism of methyl blue (MB) on the amorphous transitional metal oxide (Fe, Co and Ni oxides) nanoparticles, and we demonstrated that the amorphousization of transitional metal oxide (Fe, Co and Ni oxides) nanoparticles driven by a novel process involving laser irradiation in liquid can create a super adsorption capability for MB, and the maximum adsorption capacity of the fabricated NiO amorphous nanostructure reaches up to 10584.6 mgg(-1), the largest value reported to date for all MB adsorbents. The proof-of-principle investigation of NiO amorphous nanophase demonstrated the broad applicability of this methodology for obtaining new super dyes adsorbents.

Citations

Feb 14, 2017·Chemical Reviews·Dongshi ZhangStephan Barcikowski
Dec 1, 2017·Materials·Marwa F ElkadyEssam Ramadan Shaaban
Feb 14, 2020·Nanomaterials·Shahin Homaeigohar
Apr 25, 2020·Dalton Transactions : an International Journal of Inorganic Chemistry·Anna KhlyustovaAlexander Agafonov
Aug 15, 2018·IET Nanobiotechnology·Indiran MuralisankarSundararajan Vairam
Nov 7, 2020·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Ahmed MohmoudSami Ben Aoun
Apr 4, 2021·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Souad RakassFahd Al Wadaani
May 11, 2021·Physical Chemistry Chemical Physics : PCCP·Shun-Xing LiangStephan Barcikowski

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Methods Mentioned

BETA
scanning electron microscopy
electron diffraction
X-ray
Infrared Spectroscopy

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