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Growth of Graphene on Nickel using a Natural Carbon Source by
Thermal Chemical Vapor Deposition
(Penumbuhan Grafin di atas Nikel dengan Menggunakan Sumber Karbon
Semula
Jadi Melalui Pemendapan Berhaba Wap Kimia)
SHAHARIN FADZLI ABD RAHMAN1, MOHAMAD RUSOP MAHMOOD2 & ABDUL MANAF HASHIM3,4*
1Faculty
of Electrical Engineering, Universiti Teknologi Malaysia, 81310 Skudai, Johor
Malaysia
2Faculty
of Electrical Engineering, Universiti Teknologi MARA, 40450 Shah Alam, Selangor
Malaysia
3Malaysia-Japan
International Institute of Technology, Universiti Teknologi Malaysia
International Campus, Jalan Semarak, 54100 Kuala Lumpur, Malaysia
4MIMOS
Berhad, Technology Park Malaysia, 57000 Kuala Lumpur, Malaysia
Diserahkan:
29 Mei 2013/Diterima: 21 November 2013
ABSTRACT
We report the growth of few-layer graphene (FLG) on a nickel (Ni)
substrate using palm oil as a single carbon source by thermal chemical vapor
deposition (T-CVD).
Using an ample amount of vaporized palm oil resulted in the formation of a
thick, amorphous carbon film on the Ni surface. By decreasing the amount of the
carbon source supply, thin films consisting of graphite grains and FLG were
obtained at growth temperatures of 900 and 1000˚C, confirming the potential of
using palm oil as a source for graphene growth. The occasional voids were
obtained on the transferred film and these voids were confirmed to be areas
where FLGs
are formed. These FLGs are likely removed during the transfer
process. Further reducing the amount of palm oil suppressed the coverage of
graphite grains and increased the void area formation on the transferred films,
proving the increase of FLG coverage.
Keywords: Few layer graphene; nickel; palm oil; thermal chemical
vapor deposition
ABSTRAK
Kami melaporkan penumbuhan beberapa lapisan grafin
(FLG)
di atas substrat nikel (Ni) dengan menggunakan minyak kelapa sawit
sebagai sumber karbon tunggal melalui pemendapan berhaba wap kimia
(T-CVD). Penggunaan jumlah wap minyak
kelapa sawit yang berlebihan menghasilkan saput amorfus karbon yang
tebal di atas permukaan nikel. Dengan
mengurangkan jumlah bekalan sumber karbon, saput tipis yang mengandungi
bijiran grafit dan FLG telah
diperoleh pada suhu penumbuhan 900 dan 1000˚C. Ini
mengesahkan potensi menggunakan minyak kelapa sawit sebagai sumber
untuk penumbuhan grafin. Beberapa lubang
telah diperoleh atas saput yang dipindahkan dan lubang itu telah
disahkan sebagai kawasan FLG terbentuk.
FLG itu
mungkin teralih keluar semasa proses pemindahan. Pengurangan
selanjutnya jumlah minyak kelapa sawit menyekat pembentukan bijiran
grafit dan menambahkan kawasan lubang pada saput yg telah dipindahkan.
Ini membuktikan peningkatan liputan FLG.
Kata kunci: Beberapa lapisan grafin; minyak
kelapa sawit; nikel; pemendapan berhaba wap kimia
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*Pengarang untuk surat-menyurat; email: abd_manaf@ic.utm.my
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