Table 2. Comparative Study on Quality of Graphene Produced in the Present Work and Previously Reported Works.

authors/publication years	I2D/IG	2DFWHM (cm–1)	refs
Li, X. et al./2009	2	∼33	(44)
Bhaviripudi, S. et al./2010	2–5	∼35	(45)
Gao, L. et al./2010	2	∼36	(46)
Losurdo, M. et al./2011	2	∼49	(47)
Li, Z.; Wang, Y. et al./2013	3.7	35.8	(48)
Woo, Y. S. et al./2018	>2	ca. 37–40	(49)
Pham, T. T. et al./2019	1.8 to >2	ca. 30–35	(50)
Fan, X. et al./2019	1.5		(51)
our work	5.82	∼30.10