journal article·2021-09-06

Benign Synthesis and Modification of a Zn–Azolate Metal–Organic Framework for Enhanced Ammonia Uptake and Catalytic Hydrolysis of an Organophosphorus Chemical

Ran Cao, Mohammad Rasel Mian, Xinyao Liu, Zhijie Chen, Megan C. Wasson, Xingjie Wang, Karam B. Idrees, Kaikai Ma, Qijun Sun, Jian-Rong Li, Timur Islamoglu, Omar K. Farha

ACS Materials Letters· Volume 3· Issue 9
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Abstract

The efficient uptake or catalytic degradation of toxic chemicals is needed to provide efficient protection for both individuals and the environment. Herein, we report the benign synthesis of a Zn–azolate metal–organic framework (MOF) known as MFU-4l using ethanol (EtOH) as a solvent, which is efficient in the hydrolysis of an organophosphorus chemical warfare simulant (dimethyl-4-nitrophenyl phosphate, DMNP). Impressively, EtOH-derived MFU-4l hydrolyzed DMNP with a half-life of 0.5 h using only 6 mol % catalyst. Further postsynthetic modification of MFU-4l yielded MFU-4l-(OH), which exhibited high affinity for NH3 with a steep uptake at a lower pressure (0.1 bar) as compared to the parent material (0.22 bar). Beyond the postsynthetic diversity inherent to the MOF, the benign synthesis of the active catalyst and sorbent render MFU-4l as a promising candidate for the removal of toxic chemicals.
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Research context

OpenAlex topics: Metal-Organic Frameworks: Synthesis and Applications · Advanced Nanomaterials in Catalysis · MXene and MAX Phase Materials

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

Affiliations

Beijing Institute of Nanoenergy and Nanosystems, National Center for Nanoscience and Technology, University of Chinese Academy of Sciences, Beijing 100049, P.R. China

Department of Chemistry and International Institute of Nanotechnology, Northwestern University, Evanston, Illinois 60208, United States

Beijing Key Laboratory for Green Catalysis and Separation, Department of Environmental Chemical Engineering, Beijing University of Technology, Beijing 100124, P. R. China

Department of Chemical and Biological Engineering, Northwestern University, Evanston, Illinois 60208, United States

Funding

Army Research Office · Defense Threat Reduction Agency · China Scholarship Council · National Science Foundation · the NSF Graduate Research Fellowship under grant

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