Influence of Cerium and Nickel Co-Doping on ZnO Nanostructures for Electrochemical Behavior of H 2 O 2 Sensing Applications

Nadana Shanmugam, Vediyappan Thirumal, Natesan Kannadasan, Kandasamy Murugavel, Natarajan Jayashri, Jinho Kim and Dongjin Choi
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Nadana Shanmugam: Department of Physics, Dharmapuram Gnanambigai Government Arts College for Women, Nagapattinam, Mayiladuthurai 609001, Tamil Nadu, India
Vediyappan Thirumal: Department of Mechanical Engineering, Yeungnam University, Gyeongsan 38541, Korea
Natesan Kannadasan: Department of Physics, Sri Sarada Mahavidyalayam Arts and Science College for Women, Sarada Ashram, New Edaikkal, Ulundurpet 606107, Tamil Nadu, India
Kandasamy Murugavel: Department of Physics, Sri Sarada Mahavidyalayam Arts and Science College for Women, Sarada Ashram, New Edaikkal, Ulundurpet 606107, Tamil Nadu, India
Natarajan Jayashri: Department of Physics, Sri Sarada Mahavidyalayam Arts and Science College for Women, Sarada Ashram, New Edaikkal, Ulundurpet 606107, Tamil Nadu, India
Jinho Kim: Department of Mechanical Engineering, Yeungnam University, Gyeongsan 38541, Korea
Dongjin Choi: Department of Materials Science and Engineering, Hongik University, 2639-Sejong-ro, Jochiwon-eup, Sejong City 30016, Korea

Sustainability, 2022, vol. 14, issue 10, 1-14

Abstract: The present paper reports facile synthesis by simple chemical precipitation method for Zinc Oxide (ZnO) nanoparticles with cerium (Ce) and nickel (Ni) co-doped ZnO nanocrystals. The different optimum conditions are analyzed in dual metallic (Ce/Ni) nanoparticles doped with ZnO nanoparticles. Successful incorporation of cerium and nickel is predicted with X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS). Additionally, optical effects were studied as-prepared active materials by UV-Visible reflectance (UV-Vis-DRS) and photoluminescence (PL) measurements at room temperature. In addition, morphology investigations of the scanning electron microscope (SEM) and transmission electron microscope (TEM) are conducted. The results of electrochemical studies reveal that the co-doped product exhibits a higher H 2 O 2 sensing response, with 46.21 μA/μM.cm 2 for Ce/Ni-doped ZnO, which can use potentially for future biomedical applications.

Keywords: rare earth metal; co-dope; electrochemical; H 2 O 2 sensing (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2022
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