Effect of Sonication Time on the Production of Graphene by Electrochemical Exfoliation Method

Htwe,  Y.Z.N.; Mariatti,  M.; Chow, W.S.; Y. Suda; Aye Aye Thant

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Effect of Sonication Time on the Production of Graphene by Electrochemical Exfoliation Method

http://hdl.handle.net/20.500.12678/0000002992

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DR AAT_Phys (2).pdf (714 Kb)

Publication type
		Journal article
Upload type
		Publication
Title
	Title	Effect of Sonication Time on the Production of Graphene by Electrochemical Exfoliation Method
	Language	en
Authors
		Htwe, Y.Z.N.
		Mariatti, M.
		Chow, W.S.
		Y. Suda
		Aye Aye Thant
Description
		In this study, Graphene has been synthesized by using electrochemical exfoliation method. Effect of sonication times (15, 30 and 45 min) at room temperature on the production of graphene was investigated. The synthesized graphene were characterized by X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR) and Atomic Force Microscopy (AFM). The crystal structure of the exfoliated graphene were analyzed using XRD. The graphene flakes exhibit a sharp peak centered at 26.5°corresponding to the (002) plane of graphene crystal. It is found that, the crystallite sizes is gradually decreased with increased in sonication time. The FTIR spectrum reveals the prominent appearance of C-O-H group which indicate that OH-radicals exist in conjunction with exfoliated graphene sheets. Graphene flakes with average thickness of 0.2 nm to 0.8nm wereobserved using AFM. The electrical conductivity results showed that 45 min sonication time produced the highestelectricalconductivity (1.38×102sm-1).
Keywords
		electronchmical, Graphene
Identifier		10.1088/1742-6596/1082/1/012031
Conference papers
		RCM&AMC
		12–13 December 2017
		Regional Conference on Materials and ASEAN Microscopy Conference 2017 (RCM & AMC 2017)
		Penang, Malaysia
		https://iopscience.iop.org/article