Gas-solid aldol condensation reaction in confined space of metal organic framework for formaldehyde detection
Qi-Long Wu1, Man-Xiu Nie, Qian Liu
1School of Chemistry and Chemical Engineering, Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion, Tianjin University of Technology, Tianjin 300384, China. zhaojp@tjut.edu.cn fuchenliutj@yahoo.com.
Abstract:
Herein, a gas-sensitive functional nanomaterial was constructed by confining Tb(acac)3(H2O)2 (acac = acetylacetone) in the space of the metal organic framework ZIF-8. This functional nanomaterial can realize a gas-solid state aldol condensation reaction, even at room temperature and without the use of a catalyst. In the reaction process, formaldehyde (FA) gas molecules can invalidate the antenna effect of the acac ligands, and it can therefore act as an ultrasensitive FA gas remover and detector (limit of detection value = 49 ppb).
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