Nonwoven fabric coated with a tetraphenylethene-based luminescent metal-organic framework for selective and sensitive sensing of nitrobenzene and ammonia
Journal of Materials Chemistry C, ISSN: 2050-7526, Vol: 6, Issue: 45, Page: 12371-12376
2018
- 28Citations
- 6Captures
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
Citation Benchmarking is provided by Scopus and SciVal and is different from the metrics context provided by PlumX Metrics.
Article Description
Luminescent metal-organic frameworks (LMOFs) are promising sensors in suspensions but efficient solid-state sensing devices based on LMOFs are rare. In this work, we synthesized two pillared-layered LMOFs [Zn(TCPPE)(bib)] (1) and [Zn(TCPPE)(bpy)] (2) based on tetraphenylethene (TPE)-based ligand [(HTCPPE = 4-(4-carboxyphenyl)phenyl]ethene; bib = 1,4-di(1H-imidazol-1-yl)benzene; bpy = 4,4′-bipyridine). Complex 1 and activated 1 exhibited high fluorescence quantum yields (Φ) of 46.3% and 35.3%, respectively. Activated 1 coated on nonwoven fabric by the hot-pressing method could maintain its structure and strong emission. The resulting activated 1@nonwoven fabric realized fast, selective and reversible sensing of nitrobenzene vapors with a maximum quenching efficiency of 90%. Interestingly, ammonia triggered an increase in luminescence intensity with a red-shifted emission of activated 1@nonwoven fabric, which is scarcely observed. Coating LMOF particles on a suitable fabric (e.g. nonwoven fabric) could be a feasible approach to create portable solid-state luminescence sensors for practical use.
Bibliographic Details
Royal Society of Chemistry (RSC)
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