Abstract
Two zinc oxide (ZnO) nanoparticles ZS with hexagonal sheet and ZN having nanorod-like morphologies were prepared by precipitation technique using two different hydrolyzing agents viz. water (ZS) and ethanol (ZN). The physicochemical properties of both of the as-synthesized ZnO nanoparticles were investigated by UV–vis, powder X-ray diffraction (pXRD) and field emission scanning microscopy (FESEM). The as-synthesized ZnO nanoparticulates were successfully employed as photoanode material in dye-sensitized solar cells (DSSCs). The photoanode fabricated by using ZN in DSSC showed two times better cell efficiency with enhanced photocurrent and open circuit potential in comparison to the photoanode fabricated using ZS. The improved efficiency of ZN over ZS is due to high active surface area for greater dye loading.
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Authors are grateful to the Department of Science and Technology and INSA, New Delhi for providing financial support to undertake this work.
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Highlights
• The high quality ZnO nanostructures synthesized using water (ZS) and ethanol (ZN) as two hydrolyzing agents of different polarity.
• The efficiency for the cell using ZN as photoanode shows two time better output in comparison to ZS.
• IPCE = 41 % has been obtained with the use of ZN as photoanode.
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Chauhan, R., Kumar, A., Umarji, G.G. et al. Comparison of optical and photovoltaic properties of ZnO chemically synthesized by using different hydrolyzing agents. J Solid State Electrochem 19, 161–168 (2015). https://doi.org/10.1007/s10008-014-2568-y
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DOI: https://doi.org/10.1007/s10008-014-2568-y