Highly Porous 4,8-Connected Metal-Organic Frameworks: Synthesis, Characterization, and Hydrogen Uptake

被引:23
|
作者
Mihalcik, David J. [1 ]
Zhang, Teng [1 ]
Ma, Liqing [1 ]
Lin, Wenbin [1 ]
机构
[1] Univ N Carolina, Dept Chem, Chapel Hill, NC 27599 USA
基金
美国国家科学基金会;
关键词
NANOSCALE COORDINATION POLYMERS; HIGH H-2 ADSORPTION; HIGH-CAPACITY HYDROGEN; BUILDING-BLOCKS; CONTRAST AGENTS; PORE-SIZE; STORAGE; SEPARATION; SITES; SORPTION;
D O I
10.1021/ic2024296
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
A series of highly porous 4,8-connected isoreticular MOFs of the scu topology [Cu-4(L-1)(H2O)(4)]center dot 20DEF, [Cu-4(L-2)(H2O)(4)]center dot 16DMF center dot 5H(2)O, and [Cu-4(L-3)(H2O)(4)]center dot 14DMF (L-1-L-3 are (R)-1,1'-binaphthyl-derived octacarboxylate bridging ligands) were synthesized and characterized by single-crystal X-ray crystallography. Although the frameworks exhibit some distortion during the solvent removal process, the high-connectivity nature of the building blocks helps in stabilizing the frameworks, leading to high surface areas (S-BET = 1189-2448 m(2)/g) and significant hydrogen uptake of up to 1.8 wt % (77 K, 1 atm).
引用
收藏
页码:2503 / 2508
页数:6
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