材料名称:ZIF-11
其他名称:1H-Benzimidazole, zinc salt ; Zinc bis(benzimidazolate) ; Zn(bIM)2
CAS:24304-54-9
结构信息
单位分子式
C7H6N2.Zn
单位分子量
183.52594
配位金属
Zn
配体
苯并咪唑(CAS:51-17-2)
孔径
1.4 nm (窗口: 0.29nm)
孔容
0.56 cm3/g
比表面
无N2吸附, ZIF-11窗口尺寸过窄,氮气分子无法通过; 理论计算值约1300-1700 m2/g
模拟结构
产品性状
产品形貌
类白色粉末
Off-white Powder
粒径
2-3 um 不规则晶粒
稳定性
1) 空气中持久稳定,水溶液和碱溶液中较稳定;酸性条件下不稳定
2) 热分解温度大于450℃
保存和活化方法
1) 常温或低温条件下,干燥密封保存
2)建议使用前100度(真空)烘箱活化6小时
其他特性
荧光:NA
应用领域
1) ZIF-11的窗口接近氢分子,小于其他气体分子大小,是优良的氢气吸附和分离材料
2) ZIF-11具有ZIF材料中最高的含碳量,可以碳化后得到N杂多孔碳材料应用于吸附
表征图谱
参考文献
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. U. S. A., 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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