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Selectively detecting toluene and benzaldehyde by two stable lanthanide–organic frameworks as luminescent probes

Abstract

Benzene derivatives are seriously harmful to environment and human health, and sensitively detecting these compounds is of great significance but challenge. Hence, we designed and synthesized two luminescent lanthanide–organic frameworks, [{Ln(SIP)(H2O)4}]n, [Ln =Tb(1), Eu (2)] with high solvent and pH stability, which can be used as luminescent probe to detect toluene and benzaldehyde among various reagents, and the detection limit can reach up to 10-7mol/L for toluene, and 10-6mol/L for benzaldehyde. Regenerated experiment results indicate that both 1 and 2 can be used at least five cycles with high precision. To the best of our knowledge, this is the first example of two-dimensional regenerable luminescent sensor for toluene and benzaldehyde through luminescent quenching.

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Publication details

The article was received on 25 Dec 2018, accepted on 07 Feb 2019 and first published on 07 Feb 2019


Article type: Paper
DOI: 10.1039/C8DT05108A
Citation: Dalton Trans., 2019, Accepted Manuscript

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    Selectively detecting toluene and benzaldehyde by two stable lanthanide–organic frameworks as luminescent probes

    X. Che, S. Hou, Y. Shi, G. Yang, Y. Hou and B. Zhao, Dalton Trans., 2019, Accepted Manuscript , DOI: 10.1039/C8DT05108A

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