A simple route for fabrication of graphene nanoribbons by pulsed laser irradiation in ethanol

• Published in: Journal of alloys and compounds Vol. 618; pp. 33 - 36
• Main Authors: Bang, Sin Young, Ryu, Jeong Ho, Choi, Bong Geun, Shim, Kwang Bo
• Format: Journal Article
• Language: English
• Published: Kidlington Elsevier B.V 05-01-2015; Elsevier
• Subjects: Cross-disciplinary physics: materials science; rheology; Exact sciences and technology; Graphene nanoribbon; Materials science; Methods of nanofabrication; Physics; Pulsed laser irradiation; Raman spectroscopy; Unzipping process; Raman spectroscopy; Graphene nanoribbon; Pulsed laser irradiation; Unzipping process; Radiation effects; Raman spectra; Nanotape; XRD; Laser irradiation; Transmission electron microscopy; Graphene; Formation mechanism; Nanomaterial synthesis
• ISSN: 0925-8388; 1873-4669
• DOI: 10.1016/j.jallcom.2014.08.004

•Graphene nanoribbons (GNRs) are fabricated by using pulsed laser irradiation in ethanol.•Successful transformation to GNRs is confirmed by TEM, XRD and Raman spectroscopy.•The transformation mechanism is explained based on the unzipping process.
Graphene nanoribbons (GNRs) are fabricated from multi-walls carbon nanotubes (MWCNTs) via an unzipping process by using pulsed laser irradiation in ethanol. We confirm the successful transformation from MWCNTs to GNRs by transmission electron microscopy (TEM), X-ray diffraction (XRD) and Raman spectroscopy. Related transformation mechanism is presented based on the pyrolithic and the photolithic interaction of MWCNTs with laser light.