Abstract
Magnetite nanoparticles (α-Fe3O4) were successfully prepared by a chemical co-precipitation technique. Modification in electrical properties of α-Fe3O4 by Cu2+ dopant for the modification in electrical properties was deliberated. As the Cu2+ dopant content increased from 5 to 10%, the average crystallite size decreased from 2.96 to 2.93 nm. The synthesized sample doped with 5% exhibited the porous nature and least agglomeration. The optical studies revealed that energy band gap increased from 1.76–1.83 eV by enhancing Cu2+ content from 5 to 10%. The electrical studies revealed that the electrical conductivity decreased from 4.04 × 10−5 to 9.17 × 10−6 ℧ cm−1. The obtained consequences revealed that desired properties of Cu+2 doped Fe3O4 NPs can be obtained by controlling the substituting content in host material. The Fe3O4 NPs with Cu2+ do** exhibited higher electrical conductivity and become an excellent candidate for development of electronic and optoelectronic devices, such as, photodetector, sensors and energy storage devices.
Graphical Abstract
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Highlights
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Modification in electrical properties of α-Fe3O4 by Cu2+ dopant for the modification in electrical properties was deliberated.
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As the Cu2+ dopant content increased from 5 to 10%, the average crystallite size decreased from 2.96 nm to 2.93 nm.
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The synthesized sample doped with 5% exhibited the porous nature and least agglomeration.
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The optical studies revealed that energy band gap increased from 1.76 to 1.83 eV by enhancing Cu2+ content from 5 to 10%. The electrical studies revealed that the electrical conductivity decreased from 4.04 × 10−5 to 9.17 × 10−6 ℧ cm−1.
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The obtained consequences revealed that desired properties of Cu+2 doped Fe3O4 NPs can be obtained by controlling the substituting content in host material.
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The Fe3O4 NPs with Cu2+ do** exhibited higher electrical conductivity and become an excellent candidate for development of electronic and optoelectronic devices, such as, photo-detector, sensors and energy storage devices.
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Acknowledgements
This work was funded by the Researchers Supporting Project Number (RSP2023R243) King Saud University, Riyadh, SaudiArabia.
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SS: Conceptualization, Writing-Original Draft, Methodology, Investigation, Data Curation, Validation. MHJ: Formal analysis, Writing and editing, AAA: Language Editing, Writing-Review & Editing, MZHBM: Language Editing, Writing-Review & Editing, TY: Writing-Review & Editing, MRA: Writing-Review & Editing, AA: Writing-Review & Editing, AZ: Writing-Review & Editing.
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Saleem, S., Jameel, M.H., Alothman, A.A. et al. A band gap engineering for the modification in electrical properties of Fe3O4 by Cu2+ do** for electronic and optoelectronic devices applications. J Sol-Gel Sci Technol 109, 471–482 (2024). https://doi.org/10.1007/s10971-023-06287-4
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DOI: https://doi.org/10.1007/s10971-023-06287-4