Networked Cages for Enhanced CO(2) Capture and Sensing.

Networked Cages for Enhanced CO(2) Capture and Sensing.
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用于增强二氧化碳捕获和传感的联网笼子

DOI:
10.1002/advs.201800141
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发表时间:
2018-07
期刊:
Advanced science (Weinheim, Baden-Wurttemberg, Germany)
影响因子:
--
通讯作者:
Zhang C
Zhang C
中科院分区:
其他
文献类型:
--
作者:
Wang Z;Ma H;Zhai TL;Cheng G;Xu Q;Liu JM;Yang J;Zhang QM;Zhang QP;Zheng YS;Tan B;Zhang C

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设计和合成一种同时用于二氧化碳捕获和传感的多孔材料仍然是一个巨大的挑战。本文以四苯乙烯基草杯芳烃笼(TOC)为单体,采用“笼到框架”的策略合成了荧光多孔有机聚合物(pTOC)。与单体TOC相比,网状笼(pTOC)具有更好的多孔性能,包括brunauer - emmet - teller表面积和二氧化碳捕获,因为聚合克服了笼的窗口到芳烃的填充模式,打开了它们的孔隙。此外,在不同的分散体系中,当CO2存在时,pTOC表现出明显的可逆荧光增强,当NH3·H2O存在时,pTOC表现出CO2释放时的荧光恢复,因此可以非常有效地检测和量化气态混合物中CO2的组分。
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.
DOI: 10.1039/c1sc00589h
发表时间: 2012-01-01
期刊: CHEMICAL SCIENCE
影响因子: 8.4
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