Networked Cages for Enhanced CO2 Capture and Sensing

Advanced Science
Zhen WangChun Zhang

Abstract

It remains a great challenge to design and synthesize a porous material for CO2 capture and sensing simultaneously. Herein, strategy of "cage to frameworks" is demonstrated to synthesize fluorescent porous organic polymer (pTOC) by using tetraphenylethylene-based oxacalixarene cage (TOC) as the monomer. The networked cages (pTOC) have improved porous properties, including Brunauer-Emmett-Teller surface area and CO2 capture compared with its monomer TOC, because the polymerization overcomes the window-to-arene packing modes of cages and turns on their pores. Moreover, pTOC displays prominent reversible fluorescence enhancement in the presence of CO2 in different dispersion systems and fluorescence recovery for CO2 release in the presence of NH3·H2O, and is thus very effective to detect and quantify the fractions of CO2 in a gaseous mixtures.

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Citations

Sep 5, 2018·Chemical Society Reviews·Hai-Tao FengBen Zhong Tang
Jan 11, 2019·Chemical Communications : Chem Comm·Jia-Rui Wu, Ying-Wei Yang
Jul 31, 2019·Chemical Society Reviews·Liang FengHong-Cai Zhou
May 27, 2020·Dalton Transactions : an International Journal of Inorganic Chemistry·Artur Kasprzak, Piotr A Guńka
Sep 4, 2019·Chemistry, an Asian Journal·Rahul MaityRamanathan Vaidhyanathan
Jun 29, 2021·Chemical Society Reviews·Hailong WangJianzhuang Jiang
Dec 13, 2019·Journal of the American Chemical Society·Zhen WangBen Zhong Tang
Feb 19, 2019·Journal of the American Chemical Society·Jian-Xin MaQi-Qiang Wang
Nov 17, 2020·ACS Omega·Arkaprabha GiriAbhijit Patra

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Methods Mentioned

BETA
X‐ray
NMR
scanning electron microscopy

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