Abstract
In the present work, titanium (Ti)-doped polythiophene (PTh) was synthesized by a chemical route using titanium chloride as oxidant. As-synthesized composites were further used for fabrication of photovoltaic (PV) cells with indium tin oxide/Ti-doped PTh/aluminum architecture. Structural, morphological, and optical analyses of as-synthesized composites were carried out through x-ray diffraction (XRD) analysis, Fourier-transform infrared (FTIR) spectroscopy, field-emission scanning electron microscopy (FE-SEM), ultraviolet–visible (UV–Vis) spectroscopy, and photoluminescence (PL) measurements. A broad peak was found in the PL spectra of the composites at around 480 nm, indicating high charge generation efficiency. Different PV parameters of the fabricated PV cells were measured at room temperature under incandescent light of 100 W/m2. The optimized PV cell exhibited short-circuit current (I sc) and open-circuit voltage (V oc) on the order of 176 μA and 0.595 V, respectively. The values of I sc and V oc were used to compute the fill factor, which was found to be 0.521. The corresponding power conversion efficiency associated with the optimized cell was found to be 2.41%.
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Acknowledgements
The authors are grateful to the Head of the Department of Physics, Sant Gadge Baba Amravati University, Amravati for providing necessary facilities.
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Takpire, S., Waghuley, S. Photovoltaic Study of Chemically Derived Titanium-Doped Polythiophene Composites. J. Electron. Mater. 44, 2807–2812 (2015). https://doi.org/10.1007/s11664-015-3704-x
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DOI: https://doi.org/10.1007/s11664-015-3704-x