Temperature Dependence of the Raman Spectra of Graphene and Graphene Multilayers

Irene Calizo; Alexander A. Balandin; Wenzhong Bao; Feng Miao; Chun Ning Lau

doi:10.1021/nl071033g

Abstract

We investigated the temperature dependence of the frequency of G peak in the Raman spectra of graphene on Si/SiO2 substrates. The micro-Raman spectroscopy was carried out under the 488 nm laser excitation over the temperature range from -190 to +100 degrees C. The extracted value of the temperature coefficient of G mode of graphene is chi = -0.016 cm-1/ degrees C for the single layer and chi = -0.015 cm-1/ degrees C for the bilayer. The obtained results shed light on the anharmonic properties of graphene.

Keywords

GrapheneRaman spectroscopyMaterials scienceAnharmonicityBilayer grapheneAtmospheric temperature rangeAnalytical Chemistry (journal)Spectral lineExcitationBilayerGraphene nanoribbonsCondensed matter physicsNanotechnologyChemistryOpticsPhysics

Affiliated Institutions

University of California, Riverside US

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Publication Info

Year: 2007
Type: article
Volume: 7
Issue: 9
Pages: 2645-2649
Citations: 1197
Access: Closed

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APA Style

                            
                                
                                    Irene Calizo, 
                                
                                    Alexander A. Balandin, 
                                
                                    Wenzhong Bao
                                
                                et al.
                            
                            (2007). 
                            Temperature Dependence of the Raman Spectra of Graphene and Graphene Multilayers. 
                            Nano Letters
                            , 7
                            (9)
                            , 2645-2649.
                            https://doi.org/10.1021/nl071033g
                        

Identifiers

DOI: 10.1021/nl071033g