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Registration Number

0220U100044, 0117U001156 , R & D reports

Title

Scientific principles of highly efficient light-sensitive composite multi-purpose materials creation

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Head

Kobasa Ihor M., Доктор хімічних наук

Registration Date

08-01-2020

Organization

Yuriy Fedkovych Chernivtsi National University

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 The scientific bases of creation of highly efficient redox systems with a predetermined level of photocatalytic activity and an extended range of photosensitivity are obtained by obtaining heterostructures from nanodispersed TiO2 and binary systems based on TiO2-CdTe, TiO2-Cu(In,Ga)Se2 and polymethine dyes. The structural, optical and electrophysical characteristics of the obtained materials are determined, the routes and dynamics of the consumption of photogenerated charges in the photophysical and primary photochemical processes are investigated. The regularities and mechanisms of photocatalytic processes in systems based on semiconductors and dye sensitizers have been established. The peculiarities of the relations of photocatalytic activity with the thermodynamic and electrochemical parameters of redox transformations have been investigated, depending on the composition and nature of the components. The possibility of using the created redox systems for different chemical transformations is predicted. The theoretical bases of construction of new efficient photoelectrochemical systems based on semiconductors, sensitized by polymethine dyes of different types, photosensitive composite materials for photovoltaics, disposal of toxic waste of enterprises, etc. are substantiated.

Product Description

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Ilika Svitlana A.
Babyuk Dmytro P.
Boruk Sergiy D.
Vorobets Maria M.
Gusiak Nataliia B.
Kobasa Ihor M.
Kondratyeva Iryna V.
Kropelnytska Yulija V.
Mikhailovich Vasily V.
Motovilina Yarina M.
Sema Oksana V.

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2020-04-02