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Optical properties of perturbed NO −2 ions in KNO2 doped NaNO2 single crystals

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Summary

On the basis of high-resolution and time-resolved fluorescence spectra, a model is proposed for the interpretation of the fluorescence lines originating from various perturbed NO −2 centers situated in the neighbourhood of the K+ ion of the NaNO2:KNO2 crystal. Since their excited state energies are lower than that of the host, these perturbed NO −2 ions act as traps for the host singlet exciton. On the assumption that the perturbation giving rise to those traps results from an interaction of the impurity ion K+ with its nearest neighbours, the observed position of the energy levels of the various traps can be reconciled with crystal field calculations.

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Authors and Affiliations

  1. Lehrstuhl für Festkörperspektroskopie (IPkM), Heinrich-Heine-Universität, D-4000, Düsseldorf, Federal Republic of Germany

    Carola Kryschi

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  1. Carola Kryschi
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Kryschi, C. Optical properties of perturbed NO −2 ions in KNO2 doped NaNO2 single crystals. Theoret. Chim. Acta 77, 395–407 (1990). https://doi.org/10.1007/BF01374530

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  • DOI: https://doi.org/10.1007/BF01374530

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