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BIBECHANA  2014 

Fabrication of dye-sensitized solar cells from thin films of zinc oxide nanocrystalline particles and organic dye

DOI: 10.3126/bibechana.v11i0.10380, PP. 53-59

Keywords: Absorbance,Dye,Maharanga bicolor,Green VS,Patent Blue,Black ADLI,Solar cell

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Abstract:

Photovoltaic solar modules, which are mostly made of silicon based solar cells, are still expensive to the common people of Nepal. The high cost is, mainly, due to the processing difficulties to get pure crystalline silicon. Here, we present results on devising efficient and low-cost dye sensitized solar cells (DSSCs). The solar cells were fabricated from transparent thin film of zinc oxide (ZnO), as a semiconductor, on top of which a thin layer of synthetic organic dye was deposited for efficient light harvesting. In order to achieve the films with optimum conditions for solar cell fabrication, we prepared transparent thin films of ZnO of various thicknesses and characterized by measuring their light transmittance by UV-Visible spectrophotometry. The results clearly show variation in transmittance curves with variation in film’s thickness.

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