Construction of a hierarchical-structured MgO-carbon nanocomposite from a metal–organic complex for efficient CO2 capture and organic pollutant removal. Issue 16 (1st April 2020)

• Record Type: Journal Article
• Authors: Li, Ping; Lin, Yunan; Chen, Ran; Li, Wenqin
• Is Part Of: Dalton transactions. Volume 49:Issue 16(2020)
• Page Start: 5183
• Page End: 5191
• Publication Date: 2020-04-01
• Subjects: Chemistry, Inorganic -- Periodicals; Chemistry, Physical and theoretical -- Periodicals; Chemistry, Inorganic -- Periodicals; 546.05
• DOI: 10.1039/d0dt00722f
• Languages: English
• ISSNs: 1477-9226

Abstract

Abstract : A hierarchical-structured porous MgO/C nanocomposite derived from a metal–organic complex performs as a remarkable adsorbent for CO2 adsorption and organic pollutant removal. Abstract : Rational engineering of the architecture and structure of an adsorbent material is essential for high-performance adsorption. Herein, a porous nanocomposite composed of MgO and carbon species (MgO/C) with a hierarchical architecture is fabricated via the simple pyrolysis of a Mg-containing metal–organic complex. Our investigations reveal that with the unique architectural and chemical characteristics, MgO/C performs as a remarkable solid adsorbent for gas adsorption and wastewater treatment. Impressively, in CO2 uptake, it exhibits exceptionally high CO2 capture capacity, a fast sorption rate and excellent stability. Additionally, the MgO/C nanocomposite is capable of displaying extraordinary adsorption properties in the removal of Congo red (CR) from water. The maximum CR uptake capacity can even reach as high as 2937.8 mg g −1, which is the highest recorded value among all of the previously reported solid adsorbents. The work presented here is expected to give fresh inspiration for the refined design of next-generation advanced solid adsorbents for environmental remediation including CO2 abatement and water purification.