Dye-sensitized solar cells based on dyes extracted from dried plant leaves

Abstract

Abstract:In this work, natural dyes were extracted from dried plant leaves of plant cream, apricot, figs, apples, sage, thyme, mint, Ziziphus jujuba, orange, shade tree, basil, berry, Mirabelle plum, Victoria plum, peach, mango, pomegranate, banana, guava, and fluoridation-treated plant. The extracts were used as photosensitizers for dye-sensitized solar cells (DSSCs). The cells were assembled using nanostructured TiO 2 films. The best performance was observed for the DSSC sensitized with Ziziphus jujuba with an efficiency of 1.077%. The impedance spectroscopy of 3 cells was carried out and the equivalent circuits were found.

Dye Photosensitizers and Their Influence on DSSC Efficiency: A Review

“…The dye-sensitized solar cells can be also sensitized by chlorophyll extracted from fig leaves. The highest energy conversion efficiency obtained with the fig leaves was reported at [42] and it is equal to 0.64%. Also, a dye extracted from cream leaves resulted in good performance of the DSSC (0.607%).…”

A Novel of Buton Asphalt and Methylene Blue as Dye-Sensitized Solar Cell using TiO2/Ti Nanotubes Electrode

“…Although it has achieved an efficiency more than 10%, these dyestuffs in natural are very limited because they are expensive and not easily synthesized [19]. Meanwhile, the natural dyes derived from plant extract such as leaves, flowers, and fruits, but the resulting conversion efficiency is lower than the ruthenium complex [20]. Various dyes have been widely used so it is needed the other alternatives of natural source like button asphalt (Asbuton) extract as a natural dye that has never been reported before compared to methylene blue (MB).…”

Dyes extracted from Trigonella seeds as photosensitizers for dye-sensitized solar cells

“…Many chemical groups like homoleptic dyes (N3, N719, N749) developed by Grätzel [5,6] heteroleptic sensitizers (Z907, K19, K77), ruthenium polypyridyl complexes, and organic dyes (triphenylamine, carbazole, phenothiazine) have recorded encouraging efficiencies up to 10-12 %. The high cost and environmental harms of these dyes turned the attention toward natural pigments like anthocyanins, chlorophylls, and hypericin [7][8][9] extracted from plant leaves, roots, flowers, seeds, and fruits [10][11][12][13][14][15][16]. In spite of natural dyes low efficiencies compared to ruthenium complexes, they attracted the attention of many researchers working on enhancing their performance by studying the effect of various factors in the extraction process, such as drying, grinding, temperature, anchorage time, and using different compounds of solvents [17,18].…”