干旱区生态环境知识资源中心(Arid): Unravelling the Water Adsorption Mechanism in Hierarchical MOFs: Insights from In Situ Positron Annihilation Lifetime Studies

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DOI	10.1021/acsami.3c10974
	Unravelling the Water Adsorption Mechanism in Hierarchical MOFs: Insights from In Situ Positron Annihilation Lifetime Studies
	Attallah, Ahmed G.; Bon, Volodymyr; Maity, Kartik; Hirschmann, Eric; Butterling, Maik; Wagner, Andreas; Kaskel, Stefan
通讯作者	Bon, V
来源期刊	ACS APPLIED MATERIALS & INTERFACES
ISSN	1944-8244
EISSN	1944-8252
出版年	2023
卷号	15 期号:41 页码:48264-48276
英文摘要	Atmospheric water harvesting with metal-organic frameworks (MOFs) is a new technology providing a clean, long-term water supply in arid areas. In-situ positron annihilation lifetime spectroscopy (PALS) is proposed as a valid methodology for the mechanistic understanding of water sorption in MOFs and the selection of prospective candidates for desired applications. DUT-67-Zr and DUT-67-Hf frameworks are used as model systems for method validation because of their hierarchical pore structure, high adsorption capacity, and chemical stability. Both frameworks are characterized using complementary techniques, such as nitrogen (77 K) and water vapor (298 K) physisorption, SEM, and PXRD. DUT-67-Zr and DUT-67-Hf are investigated by PALS upon exposure to humidity for the first time, demonstrating the stepwise pore filling mechanism by water molecules for both MOFs. In addition to exploring the potential of PALS as a tool for probing MOFs during in situ water loading, this work offers perspectives on the design and use of MOFs for water harvesting.
英文关键词	MOFs DUT-67 positron annihilation lifetimespectroscopy sorption mechanism water harvesting
类型	Article
语种	英语
开放获取类型	hybrid, Green Published
收录类别	SCI-E
WOS记录号	WOS:001079487200001
WOS关键词	METAL-ORGANIC FRAMEWORKS ; PORE-SIZE ; ZR ; FUNCTIONALIZATION ; STABILITY ; EVOLUTION ; BEHAVIOR ; POROSITY ; SURFACE ; FILMS
WOS类目	Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
WOS研究方向	Science & Technology - Other Topics ; Materials Science
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/394935
推荐引用方式 GB/T 7714	Attallah, Ahmed G.,Bon, Volodymyr,Maity, Kartik,et al. Unravelling the Water Adsorption Mechanism in Hierarchical MOFs: Insights from In Situ Positron Annihilation Lifetime Studies[J],2023,15(41):48264-48276.
APA	Attallah, Ahmed G..,Bon, Volodymyr.,Maity, Kartik.,Hirschmann, Eric.,Butterling, Maik.,...&Kaskel, Stefan.(2023).Unravelling the Water Adsorption Mechanism in Hierarchical MOFs: Insights from In Situ Positron Annihilation Lifetime Studies.ACS APPLIED MATERIALS & INTERFACES,15(41),48264-48276.
MLA	Attallah, Ahmed G.,et al."Unravelling the Water Adsorption Mechanism in Hierarchical MOFs: Insights from In Situ Positron Annihilation Lifetime Studies".ACS APPLIED MATERIALS & INTERFACES 15.41(2023):48264-48276.