التفاصيل البيبلوغرافية
| العنوان: |
Mechanofluorochromism and Thermofluorochromism of Boron Difluoride 3-Methylamino-1,3-diphenyl-2-propen-1-one. |
| المؤلفون: |
Mirochnik, A. G., Tretyakova, G. O., Svistunova, I. V., Podlozhnyuk, N. D., Fedorenko, E. V. |
| المصدر: |
Optics & Spectroscopy; Oct2018, Vol. 125 Issue 4, p512-515, 4p |
| مصطلحات موضوعية: |
BORON trifluoride, AMINO acids, PROPENE, WAVELENGTHS, LUMINESCENCE spectroscopy |
| مستخلص: |
Abstract: Mechanofluorochromism and thermofluorochromism of boron difluoride 3-methylamino-1,3-diphenyl-2-propen-1-one have been detected. Upon grinding of crystals, they exhibit a significant change in their excitation spectra. A dependence of the luminescence spectrum on the wavelength of the exciting light has been found, which indicates the occurrence of luminescence centers of two different structures. Upon heating of a grinding sample, a further evolution of its luminescence and excitation spectra has been observed. The mechanism of the observed effects has been proposed to be associated with dissociation and formation of J-aggregates. [ABSTRACT FROM AUTHOR] |
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