Gas-solid aldol condensation reaction in confined space of metal organic framework for formaldehyde detection

Herein, a gas-sensitive functional nanomaterial was constructed by confining Tb(acac) 3 (H 2 O) 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...

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Published inNanoscale Vol. 1; no. 41; pp. 19286 - 19289
Main Authors Wu, Qi-Long, Nie, Man-Xiu, Liu, Qian, Feng, Jian Rui, Ren, Jian-Wei, Zhao, Jiong-Peng, Liu, Fu-Chen
Format Journal Article
LanguageEnglish
Published England Royal Society of Chemistry 07.11.2018
Subjects
Acetylacetone
Aldehydes
Condensation
Confined spaces
Confining
Formaldehyde
Functional materials
Metal-organic frameworks
Nanomaterials
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ISSN2040-3364
2040-3372
2040-3372
DOI10.1039/c8nr05785k

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Summary:Herein, a gas-sensitive functional nanomaterial was constructed by confining Tb(acac) 3 (H 2 O) 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). In the gas-solid nanoreactor Tb(acac) 3 (H 2 O) 2 @ZIF-8, fluoresce of Tb III was quenched for the aldol condensation reaction of the acac ligands and HCHO gas. Thus the nanoreactor could serve as an efficient HCHO gas probe.
Bibliography:10.1039/c8nr05785k
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ISSN:2040-3364
2040-3372
2040-3372
DOI:10.1039/c8nr05785k