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Pressure-induced tuning of fluorescence to phosphorescence in [Cr(urea-h₄)₆](ClO₄)₃ and [Cr(urea-d₄)₆](ClO₄)₃

Yersin, Hartmut, Huber, P., Gietl, G. and Trümbach, D. (1992) Pressure-induced tuning of fluorescence to phosphorescence in [Cr(urea-h₄)₆](ClO₄)₃ and [Cr(urea-d₄)₆](ClO₄)₃. Chemical Physics Letters 199 (1-2), pp. 1-9.

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In [Cr(urea-h₄)₆](ClO₄)₃ the lowest sublevel of 4T2g(t2g2 eg1) lies ΔE=90±10 cm⁻¹ above the lower 2Eg(t2g2) sublevel. At 1.3 K one observes a fine-structured phosphorescence. With temperature increase, for example to 120 K, the quartet is thermally occupied and one obtains a broad-band fluorescence. Pressure application at the same temperature results in a blue-shift of 4T2g relative to 2Eg. This ...


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Item type:Article
Date:October 1992
Institutions:Chemistry and Pharmacy > Institut für Physikalische und Theoretische Chemie > Chair of Chemistry III - Physical Chemistry (Molecular Spectroscopy and Photochemistry) > Prof. Dr. Hartmut Yersin
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Dewey Decimal Classification:500 Science > 540 Chemistry & allied sciences
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Yes
Item ID:17600
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