Instantaneous Hydrolysis of Nerve‐Agent Simulants with a Six‐Connected Zirconium‐Based Metal–Organic Framework

Abstract

Anerve-agent simulant based on aphosphate ester is hydrolyzed using aMOF-based catalyst. Suspensions of MOF-808 (6-connected), amaterial featuring 6-connected zirconium nodes,d isplayt he highest hydrolysis rates among all MOFs that have been reported to date.Aplug-flowr eactor was also prepared with MOF-808 (6-connected) as the active layer. Deployed in as imple filtration scheme,t he reactor displayed high hydrolysis efficiency and reusability.

Ultra‐Fast Degradation of Chemical Warfare Agents Using MOF–Nanofiber Kebabs

“…[8][9][10][11][12][13][14][15][16] Theu ltra-high surface area and large porosity make MOFs promising candidates for sorption of CWAs, [8,9] while the metal-containing secondary building units present in MOFs can also function as Lewis-acidic catalytic sites for CWAd estruction. [8][9][10][11][12][13][14][15][16] Theu ltra-high surface area and large porosity make MOFs promising candidates for sorption of CWAs, [8,9] while the metal-containing secondary building units present in MOFs can also function as Lewis-acidic catalytic sites for CWAd estruction.…”

“…[8][9][10][11][12][13][14][15][16] Theu ltra-high surface area and large porosity make MOFs promising candidates for sorption of CWAs, [8,9] while the metal-containing secondary building units present in MOFs can also function as Lewis-acidic catalytic sites for CWAd estruction. [10][11][12][13][14][15][16] While bulk MOF crystals exhibit excellent properties for CWAd estruction, many practical issues still need to be addressed before these materials can be widely used for this application. [10][11][12][13][14][15][16] While bulk MOF crystals exhibit excellent properties for CWAd estruction, many practical issues still need to be addressed before these materials can be widely used for this application.…”

“…[10,12,13,25] We used concentrated HCl as the modulator for the solvothermal synthesis,w hich is similar to reported recipes for these MOFs, [26] but developed our own conditions to achieve optimized growth of MOF thin-films onto nanofiber substrates.S pecifically,0 .343 mmol of ZrCl 4 and 0.343 mmol of dicarboxylic acid linkers (1:1 molar ratio) were dissolved in 20 mL of DMF.D eionized water (25 mL) and concentrated HCl (1.33 mL for UiO-66 and UiO-66-NH 2 , 0.67 mL for UiO-67) were added to the solution. [10,12,13,25] We used concentrated HCl as the modulator for the solvothermal synthesis,w hich is similar to reported recipes for these MOFs, [26] but developed our own conditions to achieve optimized growth of MOF thin-films onto nanofiber substrates.S pecifically,0 .343 mmol of ZrCl 4 and 0.343 mmol of dicarboxylic acid linkers (1:1 molar ratio) were dissolved in 20 mL of DMF.D eionized water (25 mL) and concentrated HCl (1.33 mL for UiO-66 and UiO-66-NH 2 , 0.67 mL for UiO-67) were added to the solution.…”

Strategy for Development of Modern Protective Equipment Based on Organometallic Complexes with Desired Properties

“…Совершенствование средств индивиду альной и коллективной защиты, повышающих боеспособность и выживаемость в условиях воздействия различных ТХ, исследователи свя зывают с технологиями получения металлоор ганических каркасных структур или МОК [8]. МОК представляют собой соединения, состо ящие из ионов металлов (Zn 2+ , Cu 2+ , Cr 3+ , Al 3+ , Fe 3+ и Zr 4+ ) или кластеров, связанные между собой жесткими органическими молекулами так, что формируются одно, двух или трех мерные структуры, которые обладают порами разной величины [9][10][11][12][13][14][15][16][17][18][19][20][21]. Такие МОК лежат в ос нове создаваемых новых тканей для масок, за щитных костюмов, фильтров, дегазаторов ОВ и дезинфекторов БА.…”

Computational Screening of Roles of Defects and Metal Substitution on Reactivity of Different Single- vs Double-Node Metal–Organic Frameworks for Sarin Decomposition

“…[8][9][10][11][12] Of particular interest for this work, missing linker defective zirconium-based MOFs [12][13][14] with adjacent open metal sites resembling those found in the active site of PTE have been shown to be highly active for the hydrolysis of CWAs in buffered aqueous media. 7,[15][16][17][18][19][20][21][22][23][24][25][26][27][28][29] Recently, we reported a detailed investigation of the the hydrolysis mechanism of sarin, a CWA belonging to the G series of nerve agents that has been extensively studied experimentally, catalyzed by different Zrbased MOFs. 38,39…”