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Study the electron field emission properties of silver nanoparticles decorated carbon nanotubes-based cold-cathode field emitters via post-plasma treatment

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Abstract

Carbon nanotubes (CNTs) are the promising candidate for performing the remarkable electron field emission due to owing the advanced electrical and structural properties. In this current work, we have proposed the post-plasma treatment of as-synthesized and silver nanoparticles (Ag NPs) attached CNT field emitters. We have studied the electron field emission properties of CNT field emitters such as the turn-on \(({E}_{\text{to}})\) and threshold \(({E}_{\text{th}})\) fields drastically reduced after attachment and plasma treatment process. The emission current density \((J)\) have also increased and have exhibited the better temporal stability for 2800 min for the plasma-treated Ag NPs attached CNT field emitter. The calculated scaled barrier field value \(({f}^\text{extr})\) belongs in the acceptable range and qualifies the orthodox hypothesis test as well. Plasma treated Ag NPs coated CNT field emitter could be a promising candidate for the cold-cathode electron field emission application in vacuum devices.

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Acknowledgements

All the authors thank the CNN and CIF (JMI, New Delhi) for the characterization facilities such as FESEM and Raman spectroscopy, respectively. Author (J. Ali) thanks to UGC(IN) for UGC-BSR Start-up Research Grant under Sanction No. F.30-359/2017 (BSR).

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Authors and Affiliations

  1. Department of Physics, Jamia Millia Islamia, New Delhi, 110025, India

    Mohammad Moeen Hasan Raza, Shah Masheerul Aalam, Mohd Sadiq, Mohd Sarvar, Mohammad Zulfequar & Javid Ali

  2. Centre for Nanoscience and Nanotechnology, Jamia Millia Islamia, New Delhi, 110025, India

    Samina Husain

  3. A.R.S.D. College, University of Delhi, New Delhi, 110021, India

    Mohd Sadiq

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  1. Mohammad Moeen Hasan Raza
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Contributions

MMHR: Idea developed, experimental work, density functional theory calculation, sample preparation, data curation and manuscript written. SMA: Experimental work, data curation, reviewing, and editing. MS: Reviewing, and validation. MS: Data curation, and validation. MZ: Validation, Funding acquisition, and supervise the work. SH: Characterization, validation and supervise the work. JA: Idea developed, Project administration, Funding acquisition, and supervise the work.

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Correspondence to Mohammad Moeen Hasan Raza or Javid Ali.

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Raza, M.M.H., Aalam, S.M., Sadiq, M. et al. Study the electron field emission properties of silver nanoparticles decorated carbon nanotubes-based cold-cathode field emitters via post-plasma treatment. J Mater Sci: Mater Electron 33, 7191–7211 (2022). https://doi.org/10.1007/s10854-022-07900-y

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