碳材料的拉曼光譜及其應(yīng)用

LeiShi( UniversityofViennaUniversityof Ramanshift=107/λlaser–107/λ同一樣品，同一譜線的位移與入射光的波長 Yuetal.NatureMater.10,443(2011) 透 偏 表面增 針尖增 受 Lapinetal. Gaussian, AllotropesofHirschA.NatureMater.9,871Chacon-Torresetal.ACSNano7,9249Howtodescribecarbon(10,10)(10,10)–armchair,(10,5)–chiral,(10,5)–chiral,FromCh a1

(n,maCCisthenearest-neighborC–C(1.421AinSaitoR.,etal.Physicalpropertiesofcarbonnanotubes,ImperialCollegePress(1998)Electronicproperties

Electronicpropertiesaredeterminedbythestructure Dresselhausetal.Phys.Rep.409,47Electronicproperties ThecuttinglinesonthetwoDiracconesgivetheenergybandbythedispersionrelationataroundKpoint.SaitoR.,etal.PhysicalpropertiesofcarbonKataura(10,(11,(11,Katauraplotcanbeusedfor(n,m)assignmentorchecktheresonanceenergyfordifferenttubes.Jorioetal.NewJournalofPhysics5,139Kuzmanyetal.Eur.Phys.J.B,22,307EnergydispersionSaitoR.,etal.PhysicalpropertiesofcarbonPhonondispersionforSaitoR.,etal.PhysicalpropertiesofcarbonDresselhausetal.NanoLett.10,751Ferrarietal.NatureNano.8,235G，D，G’2D?)…D和G’峰的色散Malardetal.PhysicsReports473,51

Ferrarietal.PRL97,187401Malardetal.PhysicsReports473,51Heetal.NanoLett.13,3594雙層石墨烯中出現(xiàn)的 模式C/ZOMacieletal.Naturemater.7,878 ctionbetweenconcentric TsgivestheoftheRBMThebundledtubeRBMsaremoreupshiftedthantheencagedPfeifferetal.Eur.Phys.J.B42,345Motivation:HistoryofIn1950s,carbynewasfoundinsomemeteorites—themineralfromthespace.Heimannetal.Nature306,164

Structureandeventheirexistencehavenotbeenfinallyproven!Bottom-upmethod:2to44carbonatomsin50RamanspectraofThelongerthepolyyne,thetheRamanfrequency.SoitispossibletoestimateThelongerthepolyyne,thetheRamanfrequency.Soitispossibletoestimatethelengt