Preparation, Characterization and Fabrication of PVA based Dye sensitized solar cells (DSSC)

Preparation, Characterization and Fabrication of PVA based Dye sensitized solar cells (DSSC)
Author(s):
M.Easwari, C. Ramuthai, V. Merlin Rani
Keywords:
PVA, Basella Alba dye, band gap, XRD.
Abstract
Polymer based solar cell was prepared with Basella Alba dye and polyvinyl alcohol (PVA). The absorption wavelengths were determined for different temperature from 50°C - 80°C range between 250nm – 600nm. The band gap of the solar cells is 3 eV, 2.6 eV, 2 eV, and 1.7 eV. The resultant band gap of the Tauc plot confirms the spectroscopic behavior of the solar cell. Particle size of the dye extract at various temperatures were determined from x-ray diffraction using Debye-Scherer’s formula and the particle size at 50˚C, 60˚C, 70˚C, 80˚C temperature are 5.4nm, 6.1nm, 9.2nm, and 9.8nm respectively. The electrical properties of prepared samples were studied and it showed that, all samples displayed ohmic behavior. The maximum efficiency of the solar cell was obtained at 80°C with 6.7%.
Article Details
Unique Paper ID: 162497 Publication Volume & Issue: Volume 10, Issue 10 Page(s): 561 - 565
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