3 years ago

Porous Interdigitation Molecular Cage from Tetraphenylethylene Trimeric Macrocycles That Showed Highly Selective Adsorption of CO2 and TNT Vapor in Air

Porous Interdigitation Molecular Cage from Tetraphenylethylene
Trimeric Macrocycles That Showed Highly Selective Adsorption of CO2 and TNT Vapor in Air
Jin-Hua Wang, Bao Li, Jia-Bin Xiong, Yan-Song Zheng, Bien Tan, Chun Zhang
A new [3 + 3] trimeric macrocycle, based on tetraphenylethylene having an aggregation-induced emission effect, could form a interdigitation molecular cage with a big void by host–guest interactions. The cage could accommodate two TNT molecules and detect TNT at the 1.7 fg level per mL of air. Moreover, the cage could give permanent pores that had a BET surface area of 347 m2/g and could adsorb 7.8 wt % CO2 with high CO2/N2 selectivity up to 32 (273 K, 1 bar).

Publisher URL: http://dx.doi.org/10.1021/acs.orglett.7b03483

DOI: 10.1021/acs.orglett.7b03483

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