Natural Pigments as Photosensitizers for Dye-sensitized Solar Cells with TiO2 Thin Films

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Publication Details

Author list: Maabong K, Muiva CM, Monowe P, Sathiaraj TS, Hopkins M, Nguyen L, Malungwa K, Thobega M

Place: ANKARA

Publication year: 2015

Journal: INTERNATIONAL JOURNAL OF RENEWABLE ENERGY RESEARCH (1309-0127)

Journal acronym: INT J RENEW ENERGY R

Volume number: 5

Issue number: 2

Start page: 501

End page: 506

Number of pages: 6

ISSN: 1309-0127

Languages: English-Great Britain (EN-GB)

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Abstract

Dye-sensitized solar cells (DSSCs) were fabricated using four natural dyes extracted from the leaves of lemon (Citrus limon) and morula (Sclerocarya birrea) and flowers of bougainvillea (Bougainvillea glabra). Optical characteristics of the dye extract solutions and photoelectrochemical performance of the cells were studied. DSSC from lemon showed the highest current density of 1.08 mA/cm(2) and highest solar energy conversion efficiency of 0.036 %. Natural pigments offer advantages of natural abundance, simplicity of preparation, low cost and environmental friendliness.

Keywords

conversion efficiency, Dye-sensitized solar cell, natural dye

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