Probing graphene grain boundaries with optical microscopy

Dinh Loc Duong,Gang Hee Han,Seung Mi Lee,Fethullah Gunes,Eun Sung Kim,Sung-Tae Kim,Heetae Kim,Quang Huy Ta,Kang Pyo So,Seok Jun Yoon,Seung Jin Chae,Young Woo Jo,Min Ho Park,Sang Hoon Chae,Seong Chu Lim,Jae-Young Choi,Young Hee Lee

Probing graphene grain boundaries with optical microscopy

2012

Dinh Loc Duong
Gang Hee Han
Seung Mi Lee
Fethullah Gunes
Eun Sung Kim
Sung-Tae Kim
Heetae Kim
Quang Huy Ta
Kang Pyo So
Seok Jun Yoon
Seung Jin Chae
Young Woo Jo
Min Ho Park
Sang Hoon Chae
Seong Chu Lim
Jae-Young Choi
Young Hee Lee

A simple method to observe grain boundaries in graphene is reported, using ultraviolet irradiation in humid conditions followed by optical microscopy.

Keywords:

Graphene
Nanotechnology
Optical microscope
Graphene nanoribbons
Graphene oxide paper
Ultraviolet
Grain boundary
Sheet resistance
Chemical physics
Boron nitride
Grain size

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