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Crystalloluminescence of Organic Compounds

Nature volume 205, pages 1203–1204 (1965)Cite this article

Abstract

THE crystallization of various inorganic compounds is known to be often accompanied by luminescence. Bright luminescence was observed visually in the crystallization of Ba(BrO3)2 (ref. 1), in As2O3 (ref. 2) from aqueous solutions containing HCl, in the crystallization of K2SO4 (ref. 3) in the presence of Na2SO4, and in the precipitation of KCl or NaCl (ref. 4) from saturated aqueous solutions of HCl, or from ethanol. Photon counters have recorded luminescence in the visible and ultra-violet spectra of the crystallization of NaBr, KI, BaCl2, NaNO3 (refs, 5–8). Crystalloluminescence spectra coincide with those of photoluminescence. For example, crystallization of KI and KCl displayed luminescence in the regions of 380–480 and 240–380 mµ, respectively.

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Authors and Affiliations

  1. Institute of Chemical Physics, Academy of Sciences, Moscow

    G. P. SAFONOV, V. YA. SHLYAPINTOKH & S. G. ENTELIS

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  1. G. P. SAFONOV
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  2. V. YA. SHLYAPINTOKH
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  3. S. G. ENTELIS
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SAFONOV, G., SHLYAPINTOKH, V. & ENTELIS, S. Crystalloluminescence of Organic Compounds. Nature 205, 1203–1204 (1965). https://doi.org/10.1038/2051203a0

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