Solid-phase fullerene-like nanostructures as singlet oxygen photosensitizers in liquid media

I. M. Belousova; O. B. Danilov; V. M. Kiselev; I. M. Kislyakov; T. K. Kris'ko; T. D. Murav'eva; D. A. Videnichev

doi:10.1117/12.739373

10 April 2007 Solid-phase fullerene-like nanostructures as singlet oxygen photosensitizers in liquid media

I. M. Belousova, O. B. Danilov, V. M. Kiselev, I. M. Kislyakov, T. K. Kris'ko, T. D. Murav'eva, D. A. Videnichev

Proceedings Volume 6613, Laser Optics 2006: Wavefront Transformation and Laser Beam Control; 66130C (2007) https://doi.org/10.1117/12.739373
Event: Laser Optics 2006, 2006, St. Petersburg, Russian Federation

Abstract

Singlet oxygen generation by fullerene and astralen containing surfaces and powders under visible irradiation was studied in water and organic liquids by means of ¹Δ_g state luminescence and chemical scavenger transmittance measurements. The chemical method, pioneered for solid photosensitizers of ¹0₂, allowed to measure the singlet oxygen concentration in the aqueous medium down to 10⁸ cm^-3. The singlet oxygen sensitizing by the solid-phase fullerene-containing systems was found to be 100 times less effective then by fullerene in solution. The results obtained confirm the applicability of these structures in biology and medicine.

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I. M. Belousova, O. B. Danilov, V. M. Kiselev, I. M. Kislyakov, T. K. Kris'ko, T. D. Murav'eva, and D. A. Videnichev "Solid-phase fullerene-like nanostructures as singlet oxygen photosensitizers in liquid media", Proc. SPIE 6613, Laser Optics 2006: Wavefront Transformation and Laser Beam Control, 66130C (10 April 2007); https://doi.org/10.1117/12.739373

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