Yang, Yisi; Li, Libo; Lin, Rui-Biao; Ye, Yingxiang; Yao, Zizhu; Yang, Ling; Xiang, Fahui; Chen, Shimin; Zhang, Zhangjing; Xiang, Shengchang; Chen, Banglin published an article in 2021. The article was titled 《Ethylene/ethane separation in a stable hydrogen-bonded organic framework through a gating mechanism》, and you may find the article in Nature Chemistry.Electric Literature of C12H7Br2N The information in the text is summarized as follows:
Porous materials are very promising for the development of cost- and energy-efficient separation processes, such as for the purification of ethylene from ethylene/ethane mixture-an important but currently challenging industrial process. Here we report a microporous hydrogen-bonded organic framework that takes up ethylene with very good selectivity over ethane through a gating mechanism. The material consists of tetracyano-bicarbazole building blocks held together through intermol. CN···H-C hydrogen bonding interactions, and forms as a threefold-interpenetrated framework with pores of suitable size for the selective capture of ethylene. The hydrogen-bonded organic framework exhibits a gating mechanism in which the threshold pressure required for guest uptake varies with the temperature Ethylene/ethane separation is validated by breakthrough experiments with high purity of ethylene (99.1%) at 333 K. Hydrogen-bonded organic frameworks are usually not robust, yet this material was stable under harsh conditions, including exposure to strong acidity, basicity and a variety of highly polar solvents. In addition to this study using 3,6-Dibromo-9H-carbazole, there are many other studies that have used 3,6-Dibromo-9H-carbazole(cas: 6825-20-3Electric Literature of C12H7Br2N) was used in this study.
3,6-Dibromo-9H-carbazole(cas: 6825-20-3) is used as a pharmaceutical intermediate, and also an important intermediate of synthesizing optoelectronic materials. It has been used as a reagent in the synthesis of P7C3-A20 which is a potent neuroprotective agent.Electric Literature of C12H7Br2N
Referemce:
Bromide – Wikipedia,
bromide – Wiktionary