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Non-radiative deactivation of the excited states of europium, terbium and ytterbium complexes by proximate energy-matched OH, NH and CH oscillators: an improved luminescence method for establishing solution hydration states
Open accessAbstract
The radiative rate constants for depopulation of the excited states of closely-related series of anionic, neutral and cationic europium, terbium and ytterbium complexes have been measured in H2O and D2O. With the aid of selective ligand deuteriation, the relative contributions of OH, NH (both amide and amine) and CH oscillators have been measured and critically assessed. Quenching of the Eu 5D0 excited state by amine NH oscillators is more than twice as efficient as OH quenching. The importance of the distance between the excited Ln ion and the XH oscillator is described with recourse to published crystallographic information. The general equation, q = A′(ΔkH2O–kD2O)corr is presented and revised values of A′ for Eu (1.2 ms), Tb (5 ms) and Yb (1 µs) given, which allow for the quenching contribution of closely diffusing OH oscillators. The relevance of such studies to the hydration state of certain gadolinium complexes is described and clear evidence provided for a break in hydration at gadolinium.
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Cited by
Zheng, W., Huang, P., Tu, D., Ma, E., Zhu, H., & Chen, X. (2015) · Chemical Society Reviews · doi:10.1039/c4cs00178h · Cited by 894
An, J., Shade, C. M., Chengelis-Czegan, D. A., Petoud, S., & Rosi, N. L. (2011) · Journal of the American Chemical Society · doi:10.1021/ja109103t · Cited by 624
Universal quenching of common fluorescent probes by water and alcohols
Maillard, J., Klehs, K., Rumble, C., Vauthey, E., Heilemann, M., & Fürstenberg, A. (2021) · Chemical Science · doi:10.1039/d0sc05431c · Cited by 306
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Metadata
- Authors
- Beeby, A., Clarkson, I. M., Dickins, R. S., Faulkner, S., Parker, D., Royle, L., de Sousa, A. S., Williams, J. A. G., & Woods, M.
- Venue
- Journal of the Chemical Society, Perkin Transactions 2
- Publisher
- Royal Society of Chemistry (RSC)
- Published
- 1999
- Issue
- 3
- Pages
- 493-504
- ISSN
- 0300-9580 (ISSN-L)
- 1364-5471
- OpenAlex
- W1969137131
- Cited by
- 1,447
- References
- 0
- FWCI
- 12.58
- Type
- journal article
- Language
- en
- Open access
- green
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- CoChat. (2026). Citation check: Non-radiative deactivation of the excited states of europium, terbium and ytterbium complexes by proximate energy-matched OH, NH and CH oscillators: an improved luminescence method for establishing solution hydration states. https://app.cochat.ai/papers/10.1039/a808692c
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- Beeby, A., Clarkson, I. M., Dickins, R. S., Faulkner, S., Parker, D., Royle, L., de Sousa, A. S., Williams, J. A. G., & Woods, M. (1999). Non-radiative deactivation of the excited states of europium, terbium and ytterbium complexes by proximate energy-matched OH, NH and CH oscillators: an improved luminescence method for establishing solution hydration states. Journal of the Chemical Society, Perkin Transactions 2. https://doi.org/10.1039/a808692c
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