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  1. University of Mandalay
  1. University of Mandalay
  2. Department of Physics

Optical Properties of Natural Dye from Strawberry Fruits as Photosensitizer for Dye-Sensitized Solar Cells Application

http://hdl.handle.net/20.500.12678/0000005571
http://hdl.handle.net/20.500.12678/0000005571
638613e4-d3d7-499f-9dd1-f678d569f09f
d2fe8bcb-acdf-463c-b41c-4be3d1c42d0d
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Optical Optical Properties of Natural Dye from Strawberry Fruits as Photosensitizer for Dye-Sensitized Solar Cells Application.pdf (342 Kb)
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Publication type
Journal article
Upload type
Publication
Title
Title Optical Properties of Natural Dye from Strawberry Fruits as Photosensitizer for Dye-Sensitized Solar Cells Application
Language en
Publication date 2020-05-01
Authors
Nan Kyi Kyi Thein
Aung Htet
Thwe Thwe Aye
Description
Natural dye extracted from Strawberry fruits was used as dye sensitizer in this study. Extraction of natural dye was done using different solvents as ethanol, acetone and isopropanol. Optical properties of natural dye were studied by UV-vis spectroscopic measurement. Characterization results showed high absorbance values 0.3764, 0.2251 and 0.42 at 615 nm, 510 nm and 525 nm for ethanol, acetone and isopropanol. The optimum energy band gap values in this study were 2 eV, 2.42 eV and 2.35 eV at 615 nm, 510 nm and 525 nm for ethanol, acetone and isopropanol solvents at room temperature (25 oC). The optimum values of absorption coefficient of Strawberry dye with ethanol, acetone and isopropanol solvents were 1.76 km-1, 2.12 km-1 and 2.06 km-1 at room temperature (25 oC). In this study, two methods were used to calculate the band gap energy values and they were nearly equal.
Keywords
Strawberry dye, photosensitizer, absorbance and band gap energy
Journal articles
3
University of Mandalay, Research Journal
178 - 186
11
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