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用于降解和吸附神经毒剂的UiO-66-NH与沸石模板碳复合材料

UiO-66-NH and Zeolite-Templated Carbon Composites for the Degradation and Adsorption of Nerve Agents.

作者信息

Lee Jaeheon, Ka Dongwon, Jung Heesoo, Cho Kyeongmin, Jin Youngho, Kim Minkun

机构信息

Agency for Defense Development, P.O. Box 35, Yuseong-gu, Daejeon 34186, Korea.

出版信息

Molecules. 2021 Jun 23;26(13):3837. doi: 10.3390/molecules26133837.

DOI:10.3390/molecules26133837
PMID:34201878
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8270328/
Abstract

Composites of metal-organic frameworks and carbon materials have been suggested to be effective materials for the decomposition of chemical warfare agents. In this study, we synthesized UiO-66-NH/zeolite-templated carbon (ZTC) composites for the adsorption and decomposition of the nerve agents sarin and soman. UiO-66-NH/ZTC composites with good dispersion were prepared via a solvothermal method. Characterization studies showed that the composites had higher specific surface areas than pristine UiO-66-NH, with broad pore size distributions centered at 1-2 nm. Owing to their porous nature, the UiO-66-NH/ZTC composites could adsorb more water at 80% relative humidity. Among the UiO-66-NH/ZTC composites, UZ showed the best degradation performance. Characterization and gas adsorption studies revealed that beta-ZTC in UZ provided additional adsorption and degradation sites for nerve agents. Among the investigated materials, including the pristine materials, UZ also exhibited the best protection performance against the nerve agents. These results demonstrate that UZ has the optimal composition for exploiting the degradation performance of pristine UiO-66-NH and the adsorption performance of pristine beta-ZTC.

摘要

金属有机框架材料与碳材料的复合材料被认为是用于分解化学战剂的有效材料。在本研究中，我们合成了UiO - 66 - NH/沸石模板碳（ZTC）复合材料，用于吸附和分解神经毒剂沙林和梭曼。通过溶剂热法制备了具有良好分散性的UiO - 66 - NH/ZTC复合材料。表征研究表明，该复合材料比原始的UiO - 66 - NH具有更高的比表面积，孔径分布较宽，中心位于1 - 2纳米。由于其多孔性质，UiO - 66 - NH/ZTC复合材料在相对湿度80%时能吸附更多水分。在UiO - 66 - NH/ZTC复合材料中，UZ表现出最佳的降解性能。表征和气体吸附研究表明，UZ中的β - ZTC为神经毒剂提供了额外的吸附和降解位点。在包括原始材料在内的所研究材料中，UZ对神经毒剂也表现出最佳的防护性能。这些结果表明，UZ具有利用原始UiO - 66 - NH的降解性能和原始β - ZTC的吸附性能的最佳组成。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/32df/8270328/661547d8ec16/molecules-26-03837-sch003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/32df/8270328/cbafc98299bb/molecules-26-03837-sch001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/32df/8270328/fcd93f21ced5/molecules-26-03837-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/32df/8270328/19ccd877b451/molecules-26-03837-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/32df/8270328/1858e0dcb6f2/molecules-26-03837-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/32df/8270328/5cf1c1c8fbd0/molecules-26-03837-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/32df/8270328/702a39fd8f54/molecules-26-03837-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/32df/8270328/d4e3ac946939/molecules-26-03837-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/32df/8270328/6381426e410a/molecules-26-03837-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/32df/8270328/5efaf8dd6808/molecules-26-03837-sch002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/32df/8270328/661547d8ec16/molecules-26-03837-sch003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/32df/8270328/cbafc98299bb/molecules-26-03837-sch001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/32df/8270328/fcd93f21ced5/molecules-26-03837-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/32df/8270328/19ccd877b451/molecules-26-03837-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/32df/8270328/1858e0dcb6f2/molecules-26-03837-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/32df/8270328/5cf1c1c8fbd0/molecules-26-03837-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/32df/8270328/702a39fd8f54/molecules-26-03837-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/32df/8270328/d4e3ac946939/molecules-26-03837-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/32df/8270328/6381426e410a/molecules-26-03837-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/32df/8270328/5efaf8dd6808/molecules-26-03837-sch002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/32df/8270328/661547d8ec16/molecules-26-03837-sch003.jpg

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