Isolated pi-Interaction Sites in Mesoporous MOF Backbone for Repetitive and Reversible Dynamics in Water

doi:10.1021/acsami.8b19211

	Isolated pi-Interaction Sites in Mesoporous MOF Backbone for Repetitive and Reversible Dynamics in Water
	Deng, Hexiang 2,3; Cong, Hengjiang 3; Deng, Feng 1; Zhang, Liang 2; Zhang, Wenhao 3; Zhao, Ligong 3; Yan, Wei 3; Liu, Zhiyu 3; Liu, Qi 3; Li, Shenhui 1
刊名	ACS APPLIED MATERIALS & INTERFACES
	2019-01-09
卷号	11 期号:1 页码:973-981
关键词	metal-organic framework isoreticular synthesis specific pi-interaction large organic molecules inclusion rotational-echo double-resonance experiments
ISSN号	1944-8244
DOI	10.1021/acsami.8b19211
英文摘要	We report the introduction of pi-interaction sites into a series of chemically robust metal organic frameworks (MOFs), MOF-526,-527, and -528, with progressively increased pore size, 1.9-3.7 nm, and the inclusion and release of large organic molecules in water. The mesopores in these MOFs lead to fast adsorption kinetics, whereas the pi-interaction between isolated porphyrin units in the MOF backbone and polycyclic structure of the organic guests provides excellent reversibility. Specifically, seven large organic dyes were quantitatively captured by the porphyrin units of these MOFs in a 2:1 molar ratio, exhibiting unprecedented kinetics for MOFs [e.g., 4.54 x 105 L/mol for rhodamine B] at an extremely low concentration (10 ppm) in water. Rotational-echo double-resonance NMR experiments revealed that the distance between the guest molecules and porphyrin units in MOFs was in the range from 3.24 to 3.37 A, confirming the specific 2r-interaction. Repetitive and reversible dynamics was achieved in these MOFs for 10 complete inclusion release cycles without any decay in performance, which is ideally suited for the removal and recycle of large polycyclic organic molecules from water. The performance of MOF-526 rivals that of state-of-the-art carbon and polymers. KEYWORDS: metal organic framework, isoreticular synthesis, specific pi-interaction, large organic molecules inclusion, rotational-echo double-resonance experiments
资助项目	National Natural Science Foundation of China[21471118] ; National Natural Science Foundation of China[91545205] ; National Natural Science Foundation of China[91622103] ; National Key Basic Research Program of China[2014CB239203] ; China Postdoctoral Science Foundation[2017M622500] ; Innovation Team of Wuhan University[204201710232]
WOS关键词	METAL-ORGANIC FRAMEWORKS ; FUNCTIONAL-GROUPS ; RHODAMINE-B ; ADSORPTION ; COORDINATION ; INSIGHTS
WOS研究方向	Science & Technology - Other Topics ; Materials Science
语种	英语
出版者	AMER CHEMICAL SOC
WOS记录号	WOS:000455561200103
资助机构	National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key Basic Research Program of China ; National Key Basic Research Program of China ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; Innovation Team of Wuhan University ; Innovation Team of Wuhan University ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key Basic Research Program of China ; National Key Basic Research Program of China ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; Innovation Team of Wuhan University ; Innovation Team of Wuhan University ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key Basic Research Program of China ; National Key Basic Research Program of China ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; Innovation Team of Wuhan University ; Innovation Team of Wuhan University ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key Basic Research Program of China ; National Key Basic Research Program of China ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; Innovation Team of Wuhan University ; Innovation Team of Wuhan University
内容类型	期刊论文
源URL	[http://ir.wipm.ac.cn/handle/112942/14310]
专题	中国科学院武汉物理与数学研究所
通讯作者	Deng, Hexiang; Deng, Feng
作者单位	1.Chinese Acad Sci, Wuhan Inst Phys & Math, Natl Ctr Magnet Resonance Wuhan, State Key Lab Magnet Resonance & Atom & Mol Phys, Wuhan 430071, Hubei, Peoples R China 2.Wuhan Univ, UC Berkeley Wuhan Univ Joint Innovat Ctr, Inst Adv Studies, Wuhan 430072, Hubei, Peoples R China 3.Wuhan Univ, Coll Chem & Mol Sci, Minist Educ, Key Lab Biomed Polymers, Wuhan 430072, Hubei, Peoples R China
推荐引用方式 GB/T 7714	Deng, Hexiang,Cong, Hengjiang,Deng, Feng,et al. Isolated pi-Interaction Sites in Mesoporous MOF Backbone for Repetitive and Reversible Dynamics in Water[J]. ACS APPLIED MATERIALS & INTERFACES,2019,11(1):973-981.
APA	Deng, Hexiang.,Cong, Hengjiang.,Deng, Feng.,Zhang, Liang.,Zhang, Wenhao.,...&Xu, Xiaohui.(2019).Isolated pi-Interaction Sites in Mesoporous MOF Backbone for Repetitive and Reversible Dynamics in Water.ACS APPLIED MATERIALS & INTERFACES,11(1),973-981.
MLA	Deng, Hexiang,et al."Isolated pi-Interaction Sites in Mesoporous MOF Backbone for Repetitive and Reversible Dynamics in Water".ACS APPLIED MATERIALS & INTERFACES 11.1(2019):973-981.