The influence of natural and synthetic dyes on the absorbance of nanocrystalline TiO2 used in dye sensitized solar cells

• Autorzy: Dobrzański L. A. , Szindler M.M. , Szindler M. , Dudek A. , Krawiec K.
• Języki publikacji: EN

Abstrakty

EN

Purpose: The purpose of the paper is to examine the impact of selected dyes, organic and synthetic, on the absorbance of nanocrystalline titanium oxide. It is a major component of the working electrode of dye sensitized solar cells. Those devices belonging to the third generation of solar cells are an attractive alternative to inorganic solar cells. Therefore it intensive research on increasing their efficiency were carried out. Design/methodology/approach: Nanocrystalline titanium dioxide powder was manufactured with the use of sol gel method. Then, the titanium dioxide layers were deposited on a glass substrate using a doctor blade technique. On the prepared layers commercial synthetic dye N3 and natural dye obtained from blueberry were deposited. The structure of manufactured TiO2 nanopowder was investigated using the high resolution transmission electron microscope. Optical properties of TiO2 layer with and without dye have been examined using an UV–VIS spectrometer. Findings: Results and their analysis show that it is possible to obtain nanocrystalline titanium dioxide using sol-gel method and then deposition of the various types of dyes effectively extending the range of the absorbance of light radiation. Practical implications: Nanocrystalline layers of titanium oxide are an essential element of the working electrode of dye sensitized solar cells. It is extremely important to search for new materials for sensitizing titanium dioxide to enhance the efficiency of the type of solar cell. Originality/value: The paper presents results of investigations of the influence of natural and synthetic dyes on the absorbance of noncommercial nanocrystalline TiO2 used in dye sensitized solar cells.

Słowa kluczowe

EN

dye sensitized solar cells; titanium dioxide; dye

PL

barwnikowe ogniwo słoneczne; dwutlenek tytanu; barwnik

• Wydawca: International OCSCO World Press
• Czasopismo: Journal of Achievements in Materials and Manufacturing Engineering
• Rocznik: 2015
• Tom: Vol. 69, nr 2
• Strony: 53--58
• Opis fizyczny: Bibliogr. 17 poz., rys.

Twórcy

autor

Dobrzański L. A.

• Institute of Engineering Materials and Biomaterials, Silesian University of Technology, ul. Konarskiego 18a, 44-100 Gliwice, Poland

autor

Szindler M.M.

• Institute of Engineering Materials and Biomaterials, Silesian University of Technology, ul. Konarskiego 18a, 44-100 Gliwice, Poland

autor

Szindler M.

• Institute of Engineering Materials and Biomaterials, Silesian University of Technology, ul. Konarskiego 18a, 44-100 Gliwice, Poland

autor

Dudek A.

• Graduate of the Silesian University of Technology, ul. Konarskiego 18a, 44-100 Gliwice, Poland

autor

Krawiec K.

• Graduate of the Silesian University of Technology, ul. Konarskiego 18a, 44-100 Gliwice, Poland

Bibliografia

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