Amorphous Al–Cu alloy nanowires decorated with carbon spheres synthesised from waste engine oil

Suriani, A. B.; Alfarisa, Suhufa; Mohamed, Azmi; Kamari, Azlan; Hashim, Norhayati; Isa, Illyas Md; Mamat, M. H.; Malek, M. F.; Ahmad, Mohd Khairul

doi:10.1016/j.jallcom.2015.04.035

Cited by 7 publications

(2 citation statements)

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“…For the CS-coated ZnO sample, ZnO nanorods were initially grown followed by the synthesis of CS and vice versa for the ZnO-coated CS sample. The synthesis procedures of CS from WEO precursor was similar to previous report [21,22]. However, different synthesis parameters were used.…”

Section: Methodsmentioning

confidence: 99%

“…To the best of our knowledge, this is the first report on the FEE of the CS synthesised from waste engine oil (WEO) with two different configurations of nanocomposite; CS-coated aligned ZnO nanorod and ZnO nanorod-coated CS sample. Recently, we reported the use of WEO for the production of another carbon material namely CNTs [21] and amorphous Al-Cu alloy nanowires decorated with CS [22]. The use of waste [23][24][25][26][27] and natural precursors [28][29][30][31][32][33][34][35][36] to produce carbon materials may not only be beneficial for nanotechnology research field but also preserve the environmental sustainability at the same time.…”

Section: Introductionmentioning

confidence: 99%

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The Synthesis of Zinc Oxide/Carbon Spheres Nanocomposites and Field Electron Emission Properties

2017

MJAS

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Zinc oxide (ZnO)/carbon spheres (CS) nanocomposites were successfully synthesised using waste engine oil as precursor for the CS production. ZnO nanorods were grown using sol-gel immersion method with MgZnO as the seeded catalyst and thermal chemical vapour deposition was used to synthesise CS. Different configurations of ZnO/CS structures were prepared i.e. CScoated ZnO and ZnO-coated CS. The structures of composite samples were analysed using field emission scanning electron microscopy (FESEM), Energy-Dispersive X-ray (EDX), micro-Raman and X-ray Diffraction Spectroscopy (XRD). FESEM observations revealed the structural changes of pristine ZnO and CS in composite structures. The as-present of ZnO or CS was believed to affect the subsequent growth of another structure. Field electron emission (FEE) properties of both nanocomposites were also investigated. It was found that ZnO-coated CS sample has better FEE properties with lower turn-on (3.48 Vµm-1) and threshold field (6.35 Vµm-1) obtained at current density of 0.1 and 1 µAcm-2 , respectively. This study highlighted that nanocomposites of ZnO and CS have successfully enhanced the field emission performances of materials compared with pristine ZnO or CS due to the structural changes of material emitter.

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Section: Methodsmentioning

confidence: 99%