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Al-fumarate metal-organic frameworks adsorbent for removal of organic compound and gas storage

Al-fumarate metal-organic frameworks adsorbent for removal of organic compound and gas storage Metal-organic frameworks (MOFs) have attracted a great amount of attention due to their unique properties, including high porosity, large surface area, and flexible frameworks. These special properties are desirable in many applications such as adsorption, catalysis, drug delivery, and gas storage. Herein, Al-fumarate MOFs were synthesised from the reaction of aluminium sulphate with fumaric acid at 65 °C for 1 h. X-ray diffraction (XRD), N2-adsorption, scanning electronic microscope (SEM), thermogravimetric analysis (TGA), and UV–vis spectrometer were used to characterise the physicochemical properties of the prepared adsorbent materials. The obtained results indicated that the Al-fumarate MOFs possess good water stability and can adsorb/remove over 70% of Rose Bengal under UV–light irradiation. Gas adsorption/storage experiments revealed that Al-fumarate MOFs also exhibited high CO2 and CH4 uptakes of ∼59 cm3 g−1 and 17 cm3 g−1 at 303 K and ∼805 Torr (∼1 bar), respectively. The synthesised Al-fumarate MOFs obtained both excellent photocatalytic activity and high gas adsorption/storage that are due to the large surface area (∼1100 m2 g)−1 and high porosity (0.65 cm3 g)−1. Thus, these Al-fumarate MOFs are very promising in the fields of photocatalysis for wastewater treatment and of gas adsorption/storage. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Advances in Natural Sciences: Nanoscience and Nanotechnology IOP Publishing

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References (33)

Publisher
IOP Publishing
Copyright
© 2022 Vietnam Academy of Science & Technology
eISSN
2043-6262
DOI
10.1088/2043-6262/aca605
Publisher site
See Article on Publisher Site

Abstract

Metal-organic frameworks (MOFs) have attracted a great amount of attention due to their unique properties, including high porosity, large surface area, and flexible frameworks. These special properties are desirable in many applications such as adsorption, catalysis, drug delivery, and gas storage. Herein, Al-fumarate MOFs were synthesised from the reaction of aluminium sulphate with fumaric acid at 65 °C for 1 h. X-ray diffraction (XRD), N2-adsorption, scanning electronic microscope (SEM), thermogravimetric analysis (TGA), and UV–vis spectrometer were used to characterise the physicochemical properties of the prepared adsorbent materials. The obtained results indicated that the Al-fumarate MOFs possess good water stability and can adsorb/remove over 70% of Rose Bengal under UV–light irradiation. Gas adsorption/storage experiments revealed that Al-fumarate MOFs also exhibited high CO2 and CH4 uptakes of ∼59 cm3 g−1 and 17 cm3 g−1 at 303 K and ∼805 Torr (∼1 bar), respectively. The synthesised Al-fumarate MOFs obtained both excellent photocatalytic activity and high gas adsorption/storage that are due to the large surface area (∼1100 m2 g)−1 and high porosity (0.65 cm3 g)−1. Thus, these Al-fumarate MOFs are very promising in the fields of photocatalysis for wastewater treatment and of gas adsorption/storage.

Journal

Advances in Natural Sciences: Nanoscience and NanotechnologyIOP Publishing

Published: Dec 1, 2022

Keywords: Al-fumarate MOFs; gas adsorption and storage; photocatalytic activity; stability; 2.03; 4.04; 5.07; 5.19

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