One-dimensional alignment of defects in a flexible metal-organic framework

被引:9
|
作者
Fu, Yao [1 ,2 ]
Forse, Alexander C. [3 ,4 ,5 ]
Kang, Zhengzhong [2 ]
Cliffe, Matthew J. [6 ]
Cao, Weicheng [2 ]
Yin, Jinglin [2 ]
Gao, Lina [2 ]
Pang, Zhenfeng [2 ]
He, Tian [2 ]
Chen, Qinlong [2 ]
Wang, Qi [2 ]
Long, Jeffrey R. [3 ,5 ,7 ]
Reimer, Jeffrey A. [3 ]
Kong, Xueqian [1 ,2 ]
机构
[1] Zhejiang Univ, Sir Run Run Shaw Hosp, Dept Phys Med & Rehabil, Hangzhou 310027, Peoples R China
[2] Zhejiang Univ, Dept Chem, Hangzhou 310027, Peoples R China
[3] Univ Calif, Dept Chem & Biomol Engn, Berkeley, CA 94720 USA
[4] Univ Cambridge, Dept Chem, Cambridge CB2 1EW, England
[5] Univ Calif, Dept Chem, Berkeley, CA 94720 USA
[6] Univ Nottingham, Sch Chem, Univ Pk, Nottingham NG7 2RD, England
[7] Mat Sci Div, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA
基金
中国国家自然科学基金;
关键词
SOLID-STATE NMR; CARBON-DIOXIDE; GAS; SPECTROSCOPY; SELECTIVITY; ADSORPTION; DISTANCES; CHEMISTRY; CRYSTALS; DYNAMICS;
D O I
10.1126/sciadv.ade6975
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
Crystalline materials are often considered to have rigid periodic lattices, while soft materials are associated with flexibility and nonperiodicity. The continuous evolution of metal-organic frameworks (MOFs) has erased the boundaries between these two distinct conceptions. Flexibility, disorder, and defects have been found to be abundant in MOF materials with imperfect crystallinity, and their intricate interplay is poorly understood because of the limited strategies for characterizing disordered structures. Here, we apply advanced nuclear magnetic resonance spectroscopy to elucidate the mesoscale structures in a defective MOF with a semicrystal-line lattice. We show that engineered defects can tune the degree of lattice flexibility by combining both ordered and disordered compartments. The one-dimensional alignment of correlated defects is the key for the reversible topological transition. The unique matrix is featured with both rigid framework of nanoporosity and flexible linkage of high swellability.
引用
收藏
页数:10
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