ZIF-11
| 【Numbering】BK2021012605 | 【CAS】24304-54-9 | ||
| 【Item No.】 | 【specification】 | ||
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Other names: 1H-Benzimidazole, zinc salt; Zinc bis(benzimidazolate); Zn(bIM)2
CAS: 24304-54-9
Structure information
Unit molecular formula C7H6N2.Zn Unit molecular weight 183.52594
Coordination metal Zn ligand Benzimidazole (CAS: 51-17-2)
Pore size 1.4 nm (window: 0.29nm) Pore volume 0.56 cm3/g
There is no N2 adsorption on the specific surface, the window size of ZIF-11 is too narrow, and nitrogen molecules cannot pass through; the theoretical calculation value is about 1300-1700 m2/g
Analog structure
Product traits
Product appearance, white powder
Off-white Powder
Irregular grain size 2-3 um
stability
1) Long-lasting stability in the air, more stable in aqueous and alkaline solutions; unstable under acidic conditions
2) Thermal decomposition temperature is greater than 450℃
Preservation and activation methods
1) Store in a dry and airtight condition at room temperature or low temperature
2) It is recommended to activate the oven at 100 degrees (vacuum) for 6 hours before use
Other features
Fluorescence: NA
Application field
1) The window of ZIF-11 is close to hydrogen molecules, smaller than other gas molecules. It is an excellent hydrogen adsorption and separation material
2) ZIF-11 has the highest carbon content among ZIF materials, and can be carbonized to obtain N heteroporous carbon materials for adsorption
Characterization map
references
1) Banerjee, Rahul; Phan, Anh; Wang, Bo; Knobler, Carolyn; Furukawa, Hiroyasu; O'Keeffe, Michael; Yaghi, Omar M.; Science, 2008, 319(5865), 939-943, DOI: 10.1126 /science.1152516; High-Throughput Synthesis of Zeolitic Imidazolate Frameworks and Application to CO2 Capture
2) Park, Kyo Sung; Ni, Zheng; Cote, Adrien P.; Choi, Jae Yong; Huang, Rudan; Uribe-Romo, Fernando J.; Chae, Hee K.; O'Keeffe, Michael; Yaghi, Omar M .; Proc. Natl. Acad. Sci. USA, 2006, 103, 10186-10191, DOI: 10.1073/pnas.0602439103; Exceptional chemical and thermal stability of zeolitic imidazolate frameworks
3) Han, Ting-Ting; Wang, Li-Ning; Potgieter, J. Herman; J. Solid State Chem. 2020, 282, 121108 DOI: 10.1016/j.jssc.2019.121108; ZIF-11 derived nanoporous carbons with ultrahigh uptakes for capture and reversible storage of volatile iodine
4) He, Ming; Yao, Jianfeng; Liu, Qi; Zhong, Zhaoxiang; Wang, Huanting; Dalton Trans., 2013,42, 16608-16613, DOI: 10.1039/C3DT52103F; Toluene-assisted synthesis of RHO-type zeolitic imidazolate frameworks: synthesis and formation mechanism of ZIF-11 and ZIF-12
5) Gong, Youjin; Tang, Yuanming; Mao, Zhenghao; Wu, Xiaonan; Liu, Qiang; Hu, Sheng; Xiong, Shunshun; Wang, Xiaolin; J. Mater. Chem. A, 2018,6, 13696-13704, DOI: 10.1039/C8TA02091D; Metal–organic framework derived nanoporous carbons with highly selective adsorption and separation of xenon
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