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Mirochnik AG, Fedorenko EV, Kuryavyi VG, et al. Luminescence and reversible luminescence thermochromism of bulk and microcrystals of dibenzoylmethanatoboron difluoride. J Fluoresc. 2006;16(3):279-86doi: 10.1007/s10895-005-0039-7.
Mirochnik, A. G., Fedorenko, E. V., Kuryavyi, V. G., Bukvetskii, B. V., & Karasev, V. E. (2006). Luminescence and reversible luminescence thermochromism of bulk and microcrystals of dibenzoylmethanatoboron difluoride. Journal of fluorescence, 16(3), 279-86. https://doi.org/10.1007/s10895-005-0039-7
Mirochnik, A G, et al. "Luminescence and reversible luminescence thermochromism of bulk and microcrystals of dibenzoylmethanatoboron difluoride." Journal of fluorescence vol. 16,3 (2006): 279-86. doi: https://doi.org/10.1007/s10895-005-0039-7
Mirochnik AG, Fedorenko EV, Kuryavyi VG, Bukvetskii BV, Karasev VE. Luminescence and reversible luminescence thermochromism of bulk and microcrystals of dibenzoylmethanatoboron difluoride. J Fluoresc. 2006 May;16(3):279-86. doi: 10.1007/s10895-005-0039-7. Epub 2006 Mar 17. PMID: 16544203.
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J Fluoresc. 2006 May;16(3):279-86. doi: 10.1007/s10895-005-0039-7. Epub 2006 Mar 17.

Luminescence and reversible luminescence thermochromism of bulk and microcrystals of dibenzoylmethanatoboron difluoride.

Journal of fluorescence

A G Mirochnik, E V Fedorenko, V G Kuryavyi, B V Bukvetskii, V E Karasev

Affiliations

  1. Institute of Chemistry, Far-Eastern Branch of the Russian Academy of Sciences, 159 prosp. 100-letiya Vladivostoka, 690022 Vladivostok, Russian Federation. [email protected]

PMID: 16544203 DOI: 10.1007/s10895-005-0039-7

Abstract

Essential differences in the luminescence properties of dibenzoylmethanatoboron difluoride (1) bulk and microcrystals were detected. Analysis of the spectral data showed that in every case the fluorescence spectrum of 1 consisted of three components: monomer fluorescence, excimer fluorescence, and fluorescence related with interdimer interaction. Evolution of luminescence spectra observed with decrease of the crystal size are bound with decrease of monomer fluorescence intensity and considerable growth of intensity of fluorescence related to interdimer interaction. The presence of reversible luminescence thermochromism was discovered for 1: lowering the temperature from 300 to 77 K resulted in essential hypsochromic shift of the luminescence band maximum ( approximately 60 nm) connected with considerable decrease of the distances between the planes of the neighboring molecules ( approximately 0.1 Angstrom) that lead to the weakening of interdimer interaction and intensification of monomer luminescence.

References

  1. J Fluoresc. 2005 Jan;15(1):53-9 - PubMed

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