The luminescent Eu3+ ion as a probe of lanthanide impurities in crystallized gypsum

D. Van Der Voort; G. Blasse; G. J. Witkamp; G. M. Van Rosmalen; L. H. Brixner

doi:10.1016/0254-0584(89)90056-4

The luminescent Eu³⁺ ion as a probe of lanthanide impurities in crystallized gypsum

D. Van Der Voort^*, G. Blasse, G. J. Witkamp, G. M. Van Rosmalen, L. H. Brixner

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

18 Scopus citations

Abstract

The luminescence of the Eu³⁺ ion in gypsum, CaSO₄·2H₂O, crystallized from aqueous solutions, is investigated in order to contribute to the unravelling of the precipitation mechanism of gypsum in industrial processes where all kinds of impurities are distributed between the solution and the crystals. Na⁺-containing solutions show NaEu(S0₄)₂·H₂O crystallization next to Eu³⁺ incorporated into the gypsum lattice. The Eu³⁺ ion in gypsum shows extraordinary luminescence characteristics, caused by a strong linear crystal-field. The quantum efficiency of the luminescence is low due to the strong relaxation in the excited charge-transfer state and the quenching by the water molecules coordinating the Eu³⁺ ion in the gypsum lattice. The Eu³⁺ ion can be used as a probe to investigate lanthanide impurities in crystallized gypsum.

Original language	English (US)
Pages (from-to)	175-187
Number of pages	13
Journal	Materials Chemistry and Physics
Volume	24
Issue number	1-2
DOIs	https://doi.org/10.1016/0254-0584(89)90056-4
State	Published - Dec 1989
Externally published	Yes

ASJC Scopus subject areas

General Materials Science
Condensed Matter Physics

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title = "The luminescent Eu3+ ion as a probe of lanthanide impurities in crystallized gypsum",

abstract = "The luminescence of the Eu3+ ion in gypsum, CaSO4·2H2O, crystallized from aqueous solutions, is investigated in order to contribute to the unravelling of the precipitation mechanism of gypsum in industrial processes where all kinds of impurities are distributed between the solution and the crystals. Na+-containing solutions show NaEu(S04)2·H2O crystallization next to Eu3+ incorporated into the gypsum lattice. The Eu3+ ion in gypsum shows extraordinary luminescence characteristics, caused by a strong linear crystal-field. The quantum efficiency of the luminescence is low due to the strong relaxation in the excited charge-transfer state and the quenching by the water molecules coordinating the Eu3+ ion in the gypsum lattice. The Eu3+ ion can be used as a probe to investigate lanthanide impurities in crystallized gypsum.",

author = "{Van Der Voort}, D. and G. Blasse and Witkamp, {G. J.} and {Van Rosmalen}, {G. M.} and Brixner, {L. H.}",

year = "1989",

month = dec,

doi = "10.1016/0254-0584(89)90056-4",

language = "English (US)",

volume = "24",

pages = "175--187",

journal = "Materials Chemistry and Physics",

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publisher = "Elsevier B.V.",

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T1 - The luminescent Eu3+ ion as a probe of lanthanide impurities in crystallized gypsum

AU - Van Der Voort, D.

AU - Blasse, G.

AU - Witkamp, G. J.

AU - Van Rosmalen, G. M.

AU - Brixner, L. H.

PY - 1989/12

Y1 - 1989/12

N2 - The luminescence of the Eu3+ ion in gypsum, CaSO4·2H2O, crystallized from aqueous solutions, is investigated in order to contribute to the unravelling of the precipitation mechanism of gypsum in industrial processes where all kinds of impurities are distributed between the solution and the crystals. Na+-containing solutions show NaEu(S04)2·H2O crystallization next to Eu3+ incorporated into the gypsum lattice. The Eu3+ ion in gypsum shows extraordinary luminescence characteristics, caused by a strong linear crystal-field. The quantum efficiency of the luminescence is low due to the strong relaxation in the excited charge-transfer state and the quenching by the water molecules coordinating the Eu3+ ion in the gypsum lattice. The Eu3+ ion can be used as a probe to investigate lanthanide impurities in crystallized gypsum.

AB - The luminescence of the Eu3+ ion in gypsum, CaSO4·2H2O, crystallized from aqueous solutions, is investigated in order to contribute to the unravelling of the precipitation mechanism of gypsum in industrial processes where all kinds of impurities are distributed between the solution and the crystals. Na+-containing solutions show NaEu(S04)2·H2O crystallization next to Eu3+ incorporated into the gypsum lattice. The Eu3+ ion in gypsum shows extraordinary luminescence characteristics, caused by a strong linear crystal-field. The quantum efficiency of the luminescence is low due to the strong relaxation in the excited charge-transfer state and the quenching by the water molecules coordinating the Eu3+ ion in the gypsum lattice. The Eu3+ ion can be used as a probe to investigate lanthanide impurities in crystallized gypsum.

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JO - Materials Chemistry and Physics

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ER -

The luminescent Eu³⁺ ion as a probe of lanthanide impurities in crystallized gypsum

Abstract

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