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      https://www.ias.ac.in/article/fulltext/boms/045/0231

    • Keywords

       

      Nanocomposites; TiO$_2$ nanorods; TiO$_2$ nanoparticles; anthocyanidins.

    • Abstract

       

      In this study, TiO$_2$ nanorods (NRs) have been grown on the layer of P$_{25}$ TiO$_2$ nanoparticles (NPs) coated on the fluorine-doped tin oxide substrate and served as photoanode in dye-sensitized solar cell (DSSC). Natural dyes which contain anthocyanidins (water-soluble flavonoids) have been extracted from beetroot, grapes and red cabbage and have been used as a sensitizer in the solar cell. The decorated photoanode with TiO$_2$(NR)/TiO$_2$(NP) nanocomposites has been fabricated, and used natural dyes as sensitizer in DSSC. It is found that, the proposed cells have given the maximum photoconversion efficiency of 7.35, 6.84 and 7.04% for beetroot, grapes and red cabbage. The fill factor, open circuit voltage and short circuit current are 0.564, 0.4932 V and 5.595 mA cm$^{–2}$ for beetroot, 0.153, 0.326 V and 3.925 mA cm$^{–2}$ for grapes and 0.2577, 0.413 V and 4.8879 mA cm$^{–2}$ for red cabbage, respectively.

    • Author Affiliations

       

      M MEENA1 A KAVITHA2 S KARTHICK3 S PAVITHRA4 S SHANMUGAN5

      1. Department of Chemistry, R. M. K. Engineering College, Kavaraipettai, Tamil Nadu 601206, India
      2. Department of Chemistry, Chennai Institute of Technology, Chennai 600069, India
      3. Department of Electrical, Electronics and Communication Engineering, GITAM School of Technology, GITAM Deemed to be University, Bengaluru 561203, India
      4. Department of Information Technology, Rajalakshmi Engineering College, Thandalam, Tamil Nadu 602105, India
      5. Research Centre for Solar Energy, Department of Engineering Physics, College of Engineering, Koneru Lakshmaiah Education Foundation, Vaddeswaram 522502, India
    • Dates

       
  • Bulletin of Materials Science | News

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