DataVXACS Applied Nano MaterialsPaper
journal article·2023-07-14Open access

Solvent-Treated Zirconium-Based Nanoporous UiO-66 Metal–Organic Frameworks for Enhanced CO2 Capture

Zhun Dong, Wenda Hu, Hongjun Liu, Zhenzhen Yang, Debabrata Moitra, De-en Jiang, Sheng Dai, Jian Zhi Hu, Di Wu, Hongfei Lin

ACS Applied Nano Materials· Volume 6· Issue 13
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Source abstract

Abstract

Metal–organic framework (MOF)-derived nanoscale porous materials are widely deployed in carbon capture, but the CO 2 capacity is varied by different post-treatments, and its mechanism is still unclear. Herein, we prepared UiO-66 and treated it with methanol solvent and thermal activation approaches, which showed ∼3 times enhanced CO 2 capacities from 15.1 to 45.0 mg/g and excellent recyclability of 10 cycles. The methanol treatment efficiently removes the residual guest molecules, including N, N -dimethylformamide, dangling organic linkers, and their derivatives, in the micropores (∼0.8 nm) of UiO-66 and improves the surface area, pore volume, and void fraction to enhance the CO 2 capacity close to the ideal UiO-66 materials. The molecular dynamics simulation also proved a good linear relationship between the surface areas, void fraction, and CO 2 capacity. This work provides a deep understanding of the MOF’s activation mechanism and its applications in CO 2 capture.
Source: openalex_inverted_index · Quality: baseline

Research context

Nanomaterials

OpenAlex topics: Metal-Organic Frameworks: Synthesis and Applications · Carbon Dioxide Capture Technologies · Covalent Organic Framework Applications

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Gene and Linda Voiland School of Chemical Engineering and Bioengineering, Washington State University, Pullman, Washington 99164, United States

Pacific Northwest National Laboratory, Richland, Washington 99352, United States

Department of Chemical and Biomolecular Engineering, Vanderbilt University, Nashville, Tennessee 37235, United States

Chemical Sciences Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, United States

Department of Chemistry, University of Tennessee, Knoxville, Tennessee 37966, United States

Alexandra Navrotsky Institute for Experimental Thermodynamics, Washington State University, Pullman, Washington 99164, United States

Funding

U.S. Department of Energy

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