Introduction of lewis acidic and redox-active sites into a porous framework for ammonia capture with visual color response

Inorganic Chemistry
Bin TanJie Zhang

Abstract

Based on the Lewis acidic site and redox ability of bipyridinium ligand, a porous framework with an adsorption advantage for ammonia over water and color response ability has been constructed. The compound is highly stable and flexible to external stimuli, exhibiting reversible single-crystal-to-single-crystal transformations, in response to temperature change and NH3 capture. More attractively, the title compound shows obvious color change from yellow to dark blue when exposed to ammonia vapor within just a few seconds, indicating a strong ability to function as a visual colorimetric absorbent for ammonia.

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Citations

Jan 19, 2016·Journal of Hazardous Materials·Yang ChenJiangfeng Yang
Dec 14, 2016·Dalton Transactions : an International Journal of Inorganic Chemistry·Marina S ZavakhinaMartin Schröder
Jan 21, 2017·Chemical Communications : Chem Comm·Ning-Ning YangEn-Qing Gao
Oct 20, 2015·Dalton Transactions : an International Journal of Inorganic Chemistry·Jian-Ke Sun, Jie Zhang
Jun 13, 2018·Dalton Transactions : an International Journal of Inorganic Chemistry·Cheng ChenJie Zhang
Apr 24, 2019·Dalton Transactions : an International Journal of Inorganic Chemistry·Xiao-Nan LiHong Zhang
Feb 26, 2020·Dalton Transactions : an International Journal of Inorganic Chemistry·Xiao-Nan LiHong Zhang
Apr 29, 2020·Chemical Communications : Chem Comm·Peng LiEn-Qing Gao

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