Time-resolved Laser-induced Fluorescence Spectroscopy - nuclear chemistry

Описание: Paper from Max Klotzsche:
Klotzsche, M., Drobot, B., Schymura, S., Vogel, M., Raff, J., Stumpf, T., & Steudtner, R. (2025). Follow me: Mechanistic insights into Eu(III) uptake, translocation and speciation in hydroponically grown Sand oat (Avena strigosa). Science of The Total Environment, 988, 179849. https://doi.org/10.1016/j.scitotenv.2...

[1] Barkleit, A., Kretzschmar, J., Tsushima, S., & Acker, M. (2014). Americium(III) and europium(III) complex formation with lactate at elevated temperatures studied by spectroscopy and quantum chemical calculations. Dalton Transactions, 43(29), 11221–11232. https://doi.org/10.1039/C4DT00440J

[2] Figure 2. Eu 3+ fluorescence spectroscopy in aqueous solution.... (o. J.). ResearchGate. Abgerufen 21. April 2025, von https://www.researchgate.net/figure/E...

[3] Buenzli, J. C. G., & Yersin, J. R. (o. J.). Fluorescence spectra and lifetime measurements of aqueous solutions of europium nitrate and perchlorate.

[4] Zhou, L., Du, P., & Li, L. (2020). Facile modulation the sensitivity of Eu2+/Eu3+-coactivated Li2CaSiO4 phosphors through adjusting spatial mode and doping concentration. Scientific Reports, 10(1), 20180. https://doi.org/10.1038/s41598-020-77...

[5] Kimura, T., & Choppin, G. R. (1994). Luminescence study on determination of the hydration number of Cm(III). Journal of Alloys and Compounds, 213–214, 313–317. https://doi.org/10.1016/0925-8388(94)...

[6] Denecke, M. A., Rossberg, A., Panak, P. J., Weigl, M., Schimmelpfennig, B., & Geist, A. (2005). Characterization and Comparison of Cm(III) and Eu(III) Complexed with 2,6-Di(5,6-dipropyl-1,2,4-triazin-3-yl)pyridine Using EXAFS, TRFLS, and Quantum-Chemical Methods. Inorganic Chemistry, 44(23), 8418–8425. https://doi.org/10.1021/ic0511726

[7] Lieser, K. H. (1997). Nuclear and radiochemistry: Fundamentals and applications. VCH. S. 549

[8] Leung, A. F., Hayashibara, L., & Spadaro, J. (1999). Fluorescence properties of uranyl nitrates. Journal of Physics and Chemistry of Solids, 60(3), 299–304. https://doi.org/10.1016/S0022-3697(98...

[9] Havel, J., Soto-Guerrero, J., & Lubal, P. (2002). Spectrophotometric study of uranyl–oxalate complexation in solution. Polyhedron, 21(14), 1411–1420. https://doi.org/10.1016/S0277-5387(02...

fundamentals on quantumnumber regarding the fluorescence of Uranyl:
Jørgensen, C. K., & Reisfeld, R. (1975). The quantum numbers of the fluorescent state of the uranyl ion. Chemical Physics Letters, 35(4), 441–443. https://doi.org/10.1016/0009-2614(75)...

more literature: Leung, A. F., Hayashibara, L., & Spadaro, J. (1999). Fluorescence properties of uranyl nitrates. Journal of Physics and Chemistry of Solids, 60(3), 299–304. https://doi.org/10.1016/S0022-3697(98...

more literature: Nielsen, P. E., Hiort, C., Sonnichsen, S. H., Buchardt, O., Dahl, O., & Norden, B. (1992). DNA binding and photocleavage by uranyl(VI)(UO22+) salts. Journal of the American Chemical Society, 114(13), 4967–4975. https://doi.org/10.1021/ja00039a003

Instagram:   / simons.chemiebaukasten  
german:    / @simonschemiebaukasten  
TikTok:   / simons.chemie  
Patreon:   / simonschemiebaukasten  

0:00 Intro
0:53 types of luminescence
2:02 fluoro- vs. phosphorescence
2:54 transuranics in the environment
5:04 fluorescence of Europium
8:29 fluorescence of Curium
9:33 fluorescence of Uranium
12:35 summary
12:47 Bye :)

#fluorescence #curium #radioactivity #uranium