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One-dimensional TiO2 nanostructured photoanode for dye-sensitized solar cells by hydrothermal synthesis

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Abstract

One-dimensional nanostructured photoanode in the dye-sensitized solar cell (DSSC) provides better electron transport and lifetime. One-dimension TiO2 nanostructures (1D-TNs) were prepared by single-step hydrothermal synthesis for 10 h using titanium(IV) isopropoxide (TTIP) and titanium(IV) chloride (TiCl4) as the precursor. Nano parallelepiped TiO2 film was uniformly grown on the substrate which was ball milled to increase the specific surface area to felicitate sufficient dye-loading for efficient DSSC. The synthesized nanostructures were characterized by scanning and transmission electron microscopy and X-ray diffraction. Photovoltaic properties of DSSC with prepared TiO2 1D-TNs as the active layer, N719 dye and Pt counter electrode was investigated. The power conversion efficiency of the prepared cells was measured by using solar simulator under standard test conditions (100 mW/cm2, AM 1.5). The cell performance can be maximized by optimizing the thickness of 1D-TNs photoanode. The promising power conversion efficiency of 5.77% was obtained with the photoanode of 5 μm thickness.

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Acknowledgements

The authors would like to acknowledge DST and IITB for financial support and SAIF for the analytical instrument facility supporting the present work. The authors would also like to thank Prof. S. K. Samdarshi and Dr. Basudev Pradhan, Central University of Jharkhand for their support.

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Authors and Affiliations

  1. Department of Metallurgical Engineering and Materials Science, Indian Institute of Technology Bombay, Mumbai, 400076, India

    Purnendu Kartikay, Siva Sankar Nemala & Sudhanshu Mallick

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  1. Purnendu Kartikay
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  2. Siva Sankar Nemala
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  3. Sudhanshu Mallick
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Correspondence to Sudhanshu Mallick.

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Kartikay, P., Nemala, S.S. & Mallick, S. One-dimensional TiO2 nanostructured photoanode for dye-sensitized solar cells by hydrothermal synthesis. J Mater Sci: Mater Electron 28, 11528–11533 (2017). https://doi.org/10.1007/s10854-017-6950-2

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  • DOI: https://doi.org/10.1007/s10854-017-6950-2

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