Formation of a Eu(III) borate solid species from a weak Eu(III) borate complex in aqueous solution
- In the presence of polyborates (detected by 11B-NMR) the formation of a weak Eu(III) borate complex (lg β11 ∼ 2, estimated) was observed by time-resolved laser-induced fluorescence spectroscopy (TRLFS). This complex is a precursor for the formation of a solid Eu(III) borate species. The formation of this solid in solution was investigated by TRLFS as a function of the total boron concentration: the lower the total boron concentration, the slower is the solid formation. The solid Eu(III) borate was characterized by IR spectroscopy, powder XRD and solid-state TRLFS. The determination of the europium to boron ratio portends the existence of pentaborate units in the amorphous solid.
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| Author details: | Juliane Schott, Jerome Kretzschmar, Margret Acker, Sascha EidnerORCiD, Michael Uwe KumkeORCiDGND, Björn Drobot, Astrid Barkleit, Steffen Taut, Vinzenz Brendler, Thorsten Stumpf |
|---|---|
| URN: | urn:nbn:de:kobv:517-opus4-98774 |
| Publication series (Volume number): | Zweitveröffentlichungen der Universität Potsdam : Mathematisch-Naturwissenschaftliche Reihe (277) |
| Publication type: | Postprint |
| Language: | English |
| Date of first publication: | 2014/04/28 |
| Publication year: | 2014 |
| Publishing institution: | Universität Potsdam |
| Release date: | 2016/11/03 |
| Number of pages: | 13 |
| Source: | Dalton Trans. (2014) Nr. 43, S. 11516-11528. - DOI: 10.1039/C4DT00843J |
| Organizational units: | Mathematisch-Naturwissenschaftliche Fakultät / Institut für Chemie |
| DDC classification: | 5 Naturwissenschaften und Mathematik / 54 Chemie / 540 Chemie und zugeordnete Wissenschaften |
| Peer review: | Referiert |
| Publishing method: | Open Access |
| License (English): |  Creative Commons - Namensnennung 3.0 Unported |
