Facile water-stability evaluation of metal-organic frameworks and the property of selective removal of dyes from aqueous solution

被引：82
作者：
Qi, Zhao-Peng [1 ,2 ]
Yang, Ji-Min [1 ]
Kang, Yan-Shang [1 ]
Guo, Fan [1 ]
Sun, Wei-Yin [1 ]
机构：
[1] Nanjing Univ, Collaborat Innovat Ctr Adv Microstruct, Nanjing Natl Lab Microstruct,Coordinat Chem Inst, State Key Lab Coordinat Chem,Sch Chem & Chem Engn, Nanjing 210023, Jiangsu, Peoples R China
[2] Huangshan Univ, Sch Chem & Chem Engn, Huangshan 245041, Peoples R China
来源：
DALTON TRANSACTIONS | 2016年 / 45卷 / 21期
基金：
中国国家自然科学基金;
关键词：
NANOSCALE COORDINATION POLYMERS; HIGH H-2 ADSORPTION; GAS-ADSORPTION; METHYLENE-BLUE; PORE-SIZE; MOFS; MORPHOLOGIES; BEHAVIOR; MICROCRYSTALS; CAPACITY;
D O I：
10.1039/c6dt00886k
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
A facile and universal method was developed to evaluate the relative water stability of porous MOFs and morphological evolution was achieved by controlling the volume ratio of DMF and H2O. The relative water stability of the studied MOFs is in the order HKUST-1 > MOF-505 similar to UMCM-150 > NOTT-101 > DUT-23(Cu) > [Zn-2(BPnDC)(2)(DABCO)] similar to [Cu-3(TPTrC)(2)(DABCO)] > MOF-5. In addition, DUT-23( Cu) [Cu-6(BTB)(4)(BPY)(3)] (H 3 BTB = 4,4', 4''-benzene-1,3,5- triyl-tribenzoic acid, BPY = 4,4'-bipyridine) nano-particles obtained with a volume ratio of DMF and H2O of 18 : 2 show excellent adsorption capacity for methylene blue (MB) (814 mg g(-1)) with high selectivity compared with methyl orange, rhodamine B, and acid chrome blue K dyes due to the size and the electrostatic repulsion effects in aqueous solution.
引用
收藏
页码：8753 / 8759
页数：7
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