NDLI: Structural and optical properties of solid-phase singlet oxygen photosensitizers based on fullerene aqueous suspensions

Content Provider	Springer Nature Link
Author	Belousova, I. M. Belousov, V. P. Kiselev, V. M. Murav’eva, T. D. Kislyakov, I. M. Sirotkin, A. K. Starodubtsev, A. M. Kris’ko, T. K. Bagrov, I. V. Ermakov, A. V.
Copyright Year	2008
Abstract	The relationship between the structural and photosensitizing properties of solid-phase particles of fullerene C$_{60}$ in aqueous suspensions is studied using the methods of absorption spectroscopy, electron spin resonance spectroscopy (ESR), X-ray diffraction, and spectrophotometry of solutions of singlet oxygen chemical traps—histidine in combination with p-nitrosodimethylaniline. Two new variants are proposed for obtaining aqueous suspensions of particles of solid-phase fullerene whose structures are disordered and whose degrees of amorphization are 67 and 40%, respectively. It is shown that an increase in the disorder of the structure of particles in suspensions and a decrease in their average size facilitate an increase in the formation efficiency of singlet oxygen by solid-phase fullerene presumably due to an in increase in the concentration of surface localized excitons.
Starting Page	711
Ending Page	719
Page Count	9
File Format	PDF
ISSN	0030400X
Journal	Optics and Spectroscopy
Volume Number	105
Issue Number	5
e-ISSN	15626911
Language	English
Publisher	SP MAIK Nauka/Interperiodica
Publisher Date	2008-11-26
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Frenkel excitons and self-trapped excitons Structure of fullerenes and related hollow and planar molecular structures Processes caused by visible and UV light Optical Spectroscopy, Ultrafast Optics
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Electronic, Optical and Magnetic Materials

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