Two anionic metal-organic frameworks with tunable luminescent properties induced by cations

被引:11
|
作者
Chen, Shu-Mei [1 ,2 ]
Chen, Yan-Fei [1 ]
Liu, Liyang [1 ]
Wen, Tian [2 ]
Zhang, Hua-Bin [2 ]
Zhang, Jian [2 ]
机构
[1] Fuzhou Univ, Coll Chem, Fuzhou 350108, Fujian, Peoples R China
[2] Chinese Acad Sci, Fujian Inst Res Struct Matter, State Key Lab Struct Chem, Fuzhou 350002, Fujian, Peoples R China
关键词
Metal-organic framework; Photoluminescence; Crystal structure; Self-assembly; DIVERSITY; MOLECULES; EMISSION; POLYMERS;
D O I
10.1016/j.jssc.2015.11.024
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Two three-dimensional (3-D) MOFs, [(C2H5)(4)N](3)[H3O](2)[Cd6Br(H-2-DHBDC)(8)(DMF)(4)] (1; H-4-DHBDC=2,5-dihydroxy-1,4-benzenedicarboxylic acid, DMF=N,N-dimethylformamide) and [(CH3)(2)NH2](2)Cd-3(H-2-DHBDC)(4)(DMF)(2)]center dot 2DMF(2), are prepared from the self-assembly reactions between Cd(CH3COO)(2) and H-4-DHBDC, respectively. Both anionic frameworks consist of linear trinuclear Cd units (e.g., 1: [Cd3BrO2(CO2)(7)] and [Cd3O2(CO2)(8)]; 2: [Cd3O2(CO2)(8)]) linked by the H-2-DHBDC ligands. The photo luminescent properties of compound 1 are tunable through cation-exchange with different metal ions. The results demonstrated an effective ion-exchange approach toward the functional modification of MOF materials. (C) 2015 Elsevier Inc. All rights reserved.
引用
收藏
页码:23 / 27
页数:5
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