Comparison of Optical and Structural Characters of Different Nature Based Dyes for Efficient Dye-Sensitized Solar Cells

Authors : Rejeena R Sebastian, Dr Xavier T S, Athulya S, Aswathy J S

Volume/Issue : Volume 2 - 2017, Issue 10 - October

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Dye-sensitized solar cells are well known for their flexibility and low cost production. Artificial photosynthesis carried out in natural DSSC is efficient in converting solar radiation into chemical energy. Efficiency of DSSCs depends on photo-excitation efficiency of the dye and its dye-anchoring capability. Extracts from hibiscus, marigold and henna are characterized using photo fluorescence and FTIR spectroscopy. The cells made of these extracts are tested for its efficiency by analyzing the I-V characteristics. Natural compounds present in these extracts are anthocyanins, carotenoids and lawsone.

Keywords : Dye-Sensitised Solar Cell (DSSC), FTO Coated Glass Plate, Photo-luminescence (PL), Fill Factor, Anthocyanin, Carotenoids and Lawsone.


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