Eosin-Y and N3-Dye sensitized solar cells (DSSCs) based on novel nanocoral TiO2: A comparative study |
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Authors: | Sawanta S Mali CA Betty PN Bhosale PS Patil |
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Affiliation: | 1. Thin Films Materials Laboratory, Department of Physics, Shivaji University, Kolhapur 416004, M.S., India;2. Chemistry Division, Bhabha Atomic Research Centre (BARC), Mumbai 400085, M.S., India |
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Abstract: | Titanium oxide (TiO2) nanocorals containing nanopolyps have been synthesized by a cost effective hydrothermal route directly on fluorine doped tin oxide (FTO) coated conducting glass substrates. The morphological features and physical properties of TiO2 films were investigated by field-emission scanning electron microscopy, high resolution transmission electron microscopy, X-ray diffraction, Fourier transform Raman spectroscopy, room temperature photoluminescence spectroscopy and X-ray photoelectron spectroscopy. The surface morphology revealed the formation of TiO2 corals having nanosized (30–40 nm) polyps. Further, we have studied its dye sensitized solar cell performance by using Eosin-Y and N3-Dye. The results indicate that the photoconversion efficiency of N3-Dye is 66% compared to that of Eosin-Y. The highest solar energy conversion efficiency of 2.37% was observed for N3-Dye loaded DSSCs. |
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