Solid-state surface luminescence of polycyclic aromatic hydrocarbons adsorbed on cellulose diacetate matrices

Svetlana M. Rogacheva; Anna B. Shipovskaya; Elena V. Volkova; Grachia N. Khurshudyan; Malgorzata Suska-Malawska; Tamara I. Gubina

doi:10.1117/12.2314855

26 April 2018 Solid-state surface luminescence of polycyclic aromatic hydrocarbons adsorbed on cellulose diacetate matrices

Svetlana M. Rogacheva, Anna B. Shipovskaya, Elena V. Volkova, Grachia N. Khurshudyan, Malgorzata Suska-Malawska, Tamara I. Gubina

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Proceedings Volume 10716, Saratov Fall Meeting 2017: Optical Technologies in Biophysics and Medicine XIX; 1071620 (2018) https://doi.org/10.1117/12.2314855
Event: Saratov Fall Meeting 2017, 2017, Saratov, Russian Federation

Abstract

The spectral-kinetic characteristics of luminescence of 17 polycyclic aromatic hydrocarbons (PAH) sorbed from a “water-organic solvent” medium on cellulose diacetate (CDA) matrices were studied. A significant increase in the fluorescence signal on the CDA matrix was observed for 13 PAHs in comparison with aqueous solutions. The highest detection sensitivity was found for pyrene, benzo(a)pyrene, and benzo(k)fluoranthene. The fluorescence spectra of two PAH indicator pairs (anthracene–phenanthrene and pyrene–fluoranthene) used to control toxicant emission sources were studied with the simultaneous presence of isomers in the analyte, depending on the excitation wavelength. For both isomer pairs, it has been found that the spectra of their solid-state luminescence overlap insignificantly, the characteristic peaks do not coincide and do not overlap, the sensitivities of detection are close to each other, which makes it possible to consider this technique as promising to control PAH contamination sources.

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Svetlana M. Rogacheva, Anna B. Shipovskaya, Elena V. Volkova, Grachia N. Khurshudyan, Malgorzata Suska-Malawska, and Tamara I. Gubina "Solid-state surface luminescence of polycyclic aromatic hydrocarbons adsorbed on cellulose diacetate matrices", Proc. SPIE 10716, Saratov Fall Meeting 2017: Optical Technologies in Biophysics and Medicine XIX, 1071620 (26 April 2018); https://doi.org/10.1117/12.2314855

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