Abstract
Cadmium sulfide nanoparticles were prepared by chemical co-precipitation method using cadmium acetate, sodium sulfide and tetrabutylammonium bromide (TBAB) as a capping agent. The synthesized nanoparticles were characterized by using UV-Vis spectroscopic analysis, X-ray diffraction analysis (XRD), Field emission scanning electron microscopic analysis (FESEM), Energy dispersive X-ray analysis (EDAX) and BET surface area nitrogen adsorption-desorption analysis. The band gap of capped CdS was calculated by using UV-Vis absorption spectrum as 3.23 eV. The X-ray diffraction pattern revealed that the synthesized cadmium sulfide nanoparticles were polycrystalline nature with wurtzite hexagonal structure and crystallite size was calculated as 7.2 nm by using Debye Scherer method. The surface area, pore volume and pore size were found to be 93.15 m2/g, 1.64 × 10−2 cm3/g and 6.2 Å by BET nitrogen adsorption-desorption analysis. The dielectric constant , dielectric loss and AC conductivities were studied over a range of frequency (50 Hz–5 MHz) and temperature (40–200 °C). Solar cell was fabricated using cadmium sulfide as photocathode, titanium dioxide as photoanode, potassium iodide/iodine as an electrolyte solution, ruthenium dye as a sensitizer and power conversion efficiency was found to be 2.7 %.
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The authors gratefully acknowledge the financial support provided by UGC (India) for the project [F.No. 41-1005/2012 (SR)].
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Michael Raj, F., Jeya Rajendran, A. (2017). Synthesis, Structural, Optical and Dielectric Properties of Cadmium Sulfide Nanoparticles as Photocathode for a Solar Cell. In: Ebenezar, J. (eds) Recent Trends in Materials Science and Applications. Springer Proceedings in Physics, vol 189. Springer, Cham. https://doi.org/10.1007/978-3-319-44890-9_16
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DOI: https://doi.org/10.1007/978-3-319-44890-9_16
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