Thermal Transport Measurements of Individual Multiwalled Nanotubes

Abstract

The thermal conductivity and thermoelectric power of a single carbon nanotube were measured using a microfabricated suspended device. The observed thermal conductivity is more than 3000 W/K m at room temperature, which is 2 orders of magnitude higher than the estimation from previous experiments that used macroscopic mat samples. The temperature dependence of the thermal conductivity of nanotubes exhibits a peak at 320 K due to the onset of umklapp phonon scattering. The measured thermoelectric power shows linear temperature dependence with a value of 80 microV/K at room temperature.

Keywords

Thermal conductivityMaterials scienceCarbon nanotubeThermoelectric effectSeebeck coefficientNanotubeThermalPhononPhonon scatteringCondensed matter physicsScatteringThermoelectric materialsThermodynamicsNanotechnologyComposite materialOpticsPhysics

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Publication Info

Year: 2001
Type: article
Volume: 87
Issue: 21
Pages: 215502-215502
Citations: 3285
Access: Closed

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APA Style

                            
                                
                                    Philip Kim, 
                                
                                    Li Shi, 
                                
                                    Arun Majumdar
                                
                                et al.
                            
                            (2001). 
                            Thermal Transport Measurements of Individual Multiwalled Nanotubes. 
                            Physical Review Letters
                            , 87
                            (21)
                            , 215502-215502.
                            https://doi.org/10.1103/physrevlett.87.215502
                        

Identifiers

DOI: 10.1103/physrevlett.87.215502