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Electrochemically active XWO4 (X = Co, Cu, Mn, Zn) nanostructure for water splitting applications

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Abstract

Electrochemically active XWO4 (X = Co, Cu, Mn, Zn) nanostructures were synthesized successfully by employing solvothermal method. The processing parameters’ effect such as time, temperature, pH and solvents on morphological and electrochemical OER performance of XWO4 nanostructures was investigated. The excellent OER response was observed for XWO4 nanostructures synthesized at optimum processing condition. The synthesized samples’ superior electrochemical performance was found to be in the following order CoWO4 > MnWO4 > CuWO4 > ZnWO4 by employing CV and LSV studies. The electrochemical impedance spectroscopic analysis was done for all the samples. Good stability over 3600 s was reported for the best-performed samples of XWO4 nanostructures.

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Acknowledgements

This work was supported by UGC Start-Up Research Grant no. F.30–326/2016 (BSR) and the Deanship of Scientific Research at King Saud University (Research group no. RGP-1438-029).

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Authors and Affiliations

  1. Nanomaterials Laboratory, Department of Physics, Alagappa University, Karaikudi, Tamil Nadu, 630003, India

    B. Jansi Rani, G. Ravi & R. Yuvakkumar

  2. Electro Inorganic Division, CSIR-Central Electrochemical Research Institute (CSIR-CECRI), Karaikudi, Tamil Nadu, 630003, India

    S. Ravichandran

  3. Electrodics and Electrocatalysis (EEC) Division, CSIR-Central Electrochemical Research Institute (CSIR-CECRI), Karaikudi, Tamil Nadu, 630003, India

    V. Ganesh

  4. Department of Botany and Microbiology, College of Science, King Saud University, Riyadh, 11451, Saudi Arabia

    Fuad Ameen & A. Al-Sabri

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Rani, B.J., Ravi, G., Ravichandran, S. et al. Electrochemically active XWO4 (X = Co, Cu, Mn, Zn) nanostructure for water splitting applications. Appl Nanosci 8, 1241–1258 (2018). https://doi.org/10.1007/s13204-018-0780-2

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