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Cobalt and Yttrium Modified TiO2 Nanotubes Based Dye-Sensitized Solar Cells for Solar-Energy Conversion


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Abstract

The solar-energy conversion in eosin-sensitized solar cells based on cobalt and yttrium modified TiO2 nanotubes has been studied.It is established that the doping with metal ions shifts the absorption edge for Co and Y doped titanium dioxide samples to longer and shorter wavelengths, respectively. The efficiency of solar energy conversion depends on the wide bandgap of the semiconductor anode and reaches a maximum (4.4%) for yttrium-doped TiO2 in comparison to that (4.1%) for pure titanium dioxide.

About the authors

N. S. Shabanov

Dagestan State University; Analytical Center for Collective Use

Email: abdul-77@yandex.ru
Russian Federation, Makhachkala, Dagestan, 367018; Makhachkala, Dagestan

A. B. Isaev

Dagestan State University

Author for correspondence.
Email: abdul-77@yandex.ru
Russian Federation, Makhachkala, Dagestan, 367018

F. F. Orudzhev

Dagestan State University

Email: abdul-77@yandex.ru
Russian Federation, Makhachkala, Dagestan, 367018

E. K. Murliev

Dagestan State University

Email: abdul-77@yandex.ru
Russian Federation, Makhachkala, Dagestan, 367018

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