AI Article Synopsis
- Benzene derivatives pose significant risks to the environment and human health, making their sensitive detection critical yet challenging.
- Researchers developed two luminescent lanthanide-organic frameworks (Tb and Eu) that are stable in various solvents and pH levels, acting as effective probes for detecting toluene and benzaldehyde.
- These sensors demonstrate a detection limit of 10 mol L for both compounds and can be regenerated and reused with high precision for at least five cycles, marking a novel advancement in luminescent sensing technology for harmful aromatic compounds.
Article 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)(HO)}], [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 mol L for toluene, and 10 mol L 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.
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| http://dx.doi.org/10.1039/c8dt05108a | DOI Listing |
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