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Synthesis of copper nanoparticles in polycarbonate by ion implantation

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Abstract

Copper nanoparticles have been synthesized in polycarbonate by 75 KeV Cu− ion implantation with various doses ranging from 6.4 × 1015 to 1.6 × 1017 ions/cm2 with a beam current density of 800 nA/cm2. The composites formed were structurally characterized using Ultraviolet-Visible (UV-Visible) absorption spectroscopy. The appearance of particle plasmon resonance peak, characteristic of copper nanoparticles at 603 nm in absorption spectra of polycarbonate implanted to a dose of 1.6 × 1017 ions/cm2, indicates towards the formation of copper nanoparticles in polycarbonate. Transmission electron microscopy further confirms the formation of copper nanoparticles having size ∼ 3.15 nm. The formation of copper nanoparticles in the layers carbonized by Cu− implantation has been discussed. The synthesized copper-polycarbonate nanocomposite has been found to be more conducting than polycarbonate as ascertained using current-voltage characteristics.

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Authors and Affiliations

  1. Department of Physics, Kurukshetra University, Kurukshetra, 136 119, India

    Annu Sharma, Suman Bahniwal & Sanjeev Aggarwal

  2. Inter University Accelerator Centre, Aruna Asaf Ali Marg, New Delhi, 110 067, India

    S. Chopra & D. Kanjilal

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  1. Annu Sharma
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  2. Suman Bahniwal
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  3. Sanjeev Aggarwal
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  4. S. Chopra
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  5. D. Kanjilal
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Correspondence to Annu Sharma.

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Sharma, A., Bahniwal, S., Aggarwal, S. et al. Synthesis of copper nanoparticles in polycarbonate by ion implantation. Bull Mater Sci 34, 645 (2011). https://doi.org/10.1007/s12034-011-0176-3

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  • DOI: https://doi.org/10.1007/s12034-011-0176-3

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