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Issue 10, 2019
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Selectively detecting toluene and benzaldehyde by two stable lanthanide–organic frameworks as luminescent probes

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Abstract

Benzene derivatives are seriously harmful to environment and human health, and sensitively detecting these compounds is of great significance but is a 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 probes to detect toluene and benzaldehyde among various reagents, and the detection limit can reach up to 10−7 mol L−1 for toluene, and 10−6 mol L−1 for benzaldehyde. Regenerated experimental results indicate that both 1 and 2 can be used for at least five cycles with high precision. To the best of our knowledge, this is the first example of the two-dimensional regenerable luminescent sensor for toluene and benzaldehyde through luminescent quenching.

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

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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., 2019,48, 3453-3458

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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, 48, 3453
    DOI: 10.1039/C8DT05108A

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