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journal article·2016-09-01Open access

Room temperature fabrication of 1D carbon-copper composite nanostructures directly on Cu substrate and their field emission properties

Mohamad Saufi Rosmi, Yazid Yaakob, Mohd Zamri Mohd Yusop, Subash Sharma, Zurita Zulkifli, Aizuddin Supee, Golap Kalita, Masaki Tanemura

AIP Advances· Volume 6· Issue 9
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Source abstract

Abstract

This paper demonstrates a carbon-copper (C-Cu) composite nanostructure directly fabricated on a copper (Cu) substrate using the Ar+ ion irradiation method at room temperature. The morphology of C-Cu composite was controlled by a simultaneous carbon supply during ion irradiation. Conical protrusions formed on the surface of the Cu substrate with the low carbon supply rate (RC), whereas high RC area prominently produced nanoneedle structures. The field electron emission (FEE) tests demonstrated significant improvement between conical protrusions and nanoneedle structures, where the emission current increase from 5.70 μAcm−2 to 4.37 mAcm-2, while the turn-on field reduced from 5.90 to 2.00 Vμm−1.
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Research context

NanomaterialsComposites

OpenAlex topics: Graphene research and applications · Ion-surface interactions and analysis · Carbon Nanotubes in Composites

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Nagoya Institute of Technology 1 Department of Frontier Materials, , Gokiso-cho, Showa-ku, Nagoya 466-8555, Japan

Universiti Pendidikan Sultan Idris 2 Department of Chemistry, Faculty of Science and Mathematics, , 35900 Tanjong Malim, Perak, Malaysia

Universiti Putra Malaysia 3 Department of Physics, Faculty of Science, , 43400 UPM Serdang, Selangor, Malaysia

Universiti Teknologi Malaysia 4 Department of Materials, Faculty of Mechanical Engineering, , 81310 Skudai, Johor, Malaysia

Universiti Teknologi Mara 5 Faculty of Electrical Engineering, , Malaysia

Universiti Teknologi Malaysia 6 Faculty of Chemical and Energy Engineering, , 81310 Johor Bahru, Johor, Malaysia

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