<p>Sustainable and scalable Calcium zinc titanate (CaZnTi<sub>2</sub>O<sub>4</sub> (CZT)) nanomaterial were investigated. Characterizations of CZT nanomaterial reveals that, it has a polycrystalline nature with crystallite size ̴ 48&#xa0;nm and band gap was estimated to be 3.25&#xa0;eV. The CZT NPs material proved to be an efficient photocatalyst by degrading 80% and 78.12% respectively for congo red and MB dyes under UV light. Energy storage and heavy metal ions sensing properties of CZT nanomaterial was investigated by developing a CZT modified carbon paste electrode and found that it exhibits a specific capacitance (C<sub>sp</sub>) of 900 F/g and 90% stable after 800 cycles. Electrochemical sensing analysis revealed that limit of detection and quantification were found to be 5.61&#xa0;μM and 18.70&#xa0;µM for lead, and 1.18&#xa0;μM and 3.9&#xa0;μM for mercury respectively. These results make the nanomaterial a promising candidate for environmental and energy applications.</p>

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Single phase trimetallic calcium zinc titanate (CaZnTi2O4) multifunctional nanomaterial: photocatalytic dye degradation, energy storage and sensing applications

  • H. M. Deepa,
  • H. P. Nagaswarupa,
  • Ramchandra Naik,
  • N. Basavaraju,
  • Jae Hong Kim,
  • Burragoni Sravanthi Goud,
  • Abdullah N. Alodhayb,
  • Saravanan Pandiaraj

摘要

Sustainable and scalable Calcium zinc titanate (CaZnTi2O4 (CZT)) nanomaterial were investigated. Characterizations of CZT nanomaterial reveals that, it has a polycrystalline nature with crystallite size ̴ 48 nm and band gap was estimated to be 3.25 eV. The CZT NPs material proved to be an efficient photocatalyst by degrading 80% and 78.12% respectively for congo red and MB dyes under UV light. Energy storage and heavy metal ions sensing properties of CZT nanomaterial was investigated by developing a CZT modified carbon paste electrode and found that it exhibits a specific capacitance (Csp) of 900 F/g and 90% stable after 800 cycles. Electrochemical sensing analysis revealed that limit of detection and quantification were found to be 5.61 μM and 18.70 µM for lead, and 1.18 μM and 3.9 μM for mercury respectively. These results make the nanomaterial a promising candidate for environmental and energy applications.