The Role of Low Light Intensity: A Cheap, Stable, and Solidly Efficient Amorphous Sb2S3 Powder/Hypericin Composite/PVA Matrix Loaded with Electrolyte Solar Cell
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Kačarević-Popović, Zorica M.
Rakočević, Zlatko Lj.
Validžić, Ivana Lj.
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We report here on an inexpensive, solid and stable solar cell designed and made entirely of synthesized materials, Sb2S3/ hypericin (dye) thin film on ITO-coaled glass (working electrode), aluminum (counter electrode), and PVA matrix (solid carrier) loaded, with electrolyte (0.5M KI+ 0.05M I-2). The fact, that the cell is inexpensive, hut also stable and. solid, with efficiency of around 1.3%/cm(2) at a very low light intensity of only 5% sun, makes it particularly suitable for indoor applications. At higher light, intensities of 25 and 55% sun, however, the cell exhibits lower efficiency, around 0.3 and 0.07%/cm(2), respectively. Development of low-cost cell technology combined with understanding of low light utilization and, setting of standard conditions should be some of the future directions the research in this area should, follow. Therefore, in this work, we tried to give sufficient reasons for establishing standard conditions related to low light, intensity. (C) 2017 American I...nstitute of Chemical Engineers.