Luminescent europium tetraazamacrocyclic complexes with wide range pH sensitivity
- 1 January 1998
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Chemical Communications
- No. 4,p. 511-512
- https://doi.org/10.1039/a708342d
Abstract
The complexes [EuL1]3+ and [EuL2] function as luminescent pH sensors over an extended pH range; two distinguishable pH switching ranges are observed: the delayed europium emission is switched on in acidic solution, whereas the fluorescence emission spectra show a pronounced pH dependence only in alkaline media.Keywords
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