Graphene and Carbon Nanotubes - 16 Angebote vergleichen

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Graphene and Carbon Nanotubes: InhaltsangabePreface XIII1 Introduction &ndash The Carbon Age 11.1 Graphene 31.2 Carbon Nanotubes 52 Theoretical Framework 92.1 Many-Particle Hamilton Operator 102.2 Microscopic Bloch Equations 112.2.1 Hartree&ndash Fock Approximation 132.2.2 Second-Order Born&ndash Markov Approximation 142.2.2.1 Detailed Balance 142.2.2.2 Markov Approximation 142.2.2.3 Coulomb-Induced Relaxation Channels 162.2.2.4 Phonon-Induced Scattering Rates 172.2.3 Many-Particle Dephasing 182.3 Electronic Band Structure of Graphene 192.3.1 Structure and Symmetry of Graphene 192.3.2 Tight-Binding Approach 212.4 Electronic Band Structure of Carbon Nanotubes 242.4.1 Structure and Symmetry of CNTs 242.4.1.1 Nanotube Symmetry 262.4.2 Zone-Folding Approximation 272.4.2.1 Helical Quantum Numbers 302.4.3 Nanotube Families 312.4.4 Trigonal Warping Effect 322.4.5 Density of States 332.5 Optical Matrix Element 342.5.1 Graphene 342.5.2 Carbon Nanotubes 362.6 Coulomb Matrix Elements 392.6.1 Graphene 402.6.2 Carbon Nanotubes: Regularized Coulomb Potential 412.7 Electron&ndash Phonon Matrix Elements 442.7.1 Graphene: Kohn Anomalies 452.7.1.1 Optical Phonons 452.7.1.2 Acoustic Phonons 462.7.2 Carbon Nanotubes 472.8 Macroscopic Observables 472.8.1 Absorption Coefficient 482.8.2 Differential Transmission 493 Experimental Techniques for the Study of Ultrafast Nonequilibrium Carrier Dynamics in Graphene 51 Guest article by Stephan Winnerl3.1 The Principle of Pump-Probe Experiments 513.1.1 Introduction to the Technique 523.1.2 Technical Realization of Pump-Probe Experiments 543.1.3 Temporal Resolution 563.1.4 Artifacts in Pump-Probe Signals 563.2 Characteristics of Short Radiation Pulses 583.2.1 The Fourier Limit 583.2.2 Auto-Correlation as a Technique to Characterize Short Radiation Pulses 593.2.3 Chirped Pulses 613.3 Sources of Short Infrared and Terahertz Radiation Pulses 633.3.1 The Titanium-Sapphire Laser 633.3.2 Optical Parametric Generation and Amplification 653.3.3 Difference-Frequency Generation 663.3.4 Generation of Single-Cycle Terahertz Radiation with Photoconductive Antennas 673.3.5 The Free-Electron Laser 693.3.6 Generation of a Femtosecond White-Light Continuum 713.4 Single-Color and Two-Color Pump-Probe Experiments on Graphene 723.4.1 Graphene Samples 723.4.2 Review of Single-Color Experiments 753.4.3 Review of Two-Color Experiments 76Part One Electronic Properties &ndash Carrier Relaxation Dynamics 834 Relaxation Dynamics in Graphene 854.1 Experimental Studies 854.1.1 High-Resolution Experiment in the Infrared 864.1.2 Pump-Probe Experiment Close to the Dirac Point 884.2 Relaxation Channels in Graphene 904.2.1 Coulomb-Induced Relaxation Channels 90 Occupation 1194.6.4 Microscopic Polarization 1204.6.5 Differential Transmission Spectra 1214.6.6 Saturation Behavior 1224.6.7 Temperature and Chemical Potential 1254.6.8 Energy Density 1264.7 Influence of the Substrate 1274.8 Auger-Induced Carrier Multiplication 1304.8.1 Coulomb-Induced Relaxation Dynamics 1324.8.2 Influence of Phonon-Induced Recombination Processes 1334.8.3 Pump-Fluence Dependence 1344.8.4 Analytic Description of the Carrier Multiplication 1354.9 Optical Gain 1374.10 Relaxation Dynamics near the Dirac Point 1415 Carrier Dynamics in Carbon Nanotubes 1455.1 Experimental Studies 1455.2 Phonon-Induced Relaxation Dynamics 1485.2.1 Scattering via Optical Phonons 1495.2.2 Scattering with Acoustic Phonons 1525.2.3 Scattering Driven by Both Optical and Acoustic Phonons 1525.2.4 Dependence on the Excitation Energy 1545.2.5 Diameter and Chirality Dependence 1555.2.6 Intersubband Relaxation Channels 1565.3 Coulomb-Induced Quantum-Kinetic Carrier Dynamics 1585.3.1 Non-Markov Relaxation Dynamics 1595.3.2 Influence of the SurroundingMedium 1625.3.3 Excitation-Induced Dephasing 162Part Two Optical Properties &ndash Absorption Spectra 1656 Absorption Spectra of Carbon Nanotubes 1676.1 Experimental Studies 1676.1.1 Excitonic Absorption Spectra 1686.1.2 Optical Assignment of Nanotubes 1706.1.3 Functionalized Carbon Nanotubes 1716.2 Absorption of Semiconducting Carbon Nanotubes 1736.2.1 Free-Particle Spectra 1736.2.2 Coulomb-Renormalized Spectra 1766.2.3 Excitonic Spectra 1786.2.4 Diameter and Chirality Dependence 1806.2.4.1 Transition Energy 1806.2.4.2 Excitonic Binding Energy 1826.2.4.3 Oscillator Strength (Transition Intensity) 1836.2.5 Excited Excitonic Transitions 1876.2.6 Influence of the SurroundingMedium 1896.3 Absorption of Metallic Carbon Nanotubes 1926.3.1 Free-Particle Spectra 1936.3.2 Excitonic Spectra 1946.3.2.1 Comparison to Semiconducting Nanotubes 1956.3.2.2 Trigonal Warping Effect 1966.3.3 Diameter and Chirality Dependence 1966.3.3.1 Transition Energy 1976.3.3.2 Excitonic Binding Energy 1986.3.3.3 Oscillator Strength 1996.3.4 Rayleigh Scattering Spectra 2016.3.5 Phonon-Induced Side-Peaks 2046.4 Absorption of Functionalized Carbon Nanotubes 2086.4.1 Spiropyran-Functionalized Nanotubes 2097 Absorption Spectrum of Graphene 2157.1 Experimental Studies 2157.2 Absorbance and Conductivity in Graphene 2167.2.1 Free-Particle Absorbance 2187.2.2 Excitonic Absorbance 220Appendix A Introduction to the Appendices 223A.1 Microscopic Processes in Carbon Nanostructures 223A.2 Outline of the Theoretical Description 225Appendix B Observables in Optical Experiments 227B.1 Temporal and Spectral Information in Measurements 227B.2 Intensity-Related Optical Observables 230, Englisch, Ebook.

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