Ultrafast Exciton Dephasing in Semiconducting Single-Walled Carbon Nanotubes

被引：41

作者：

Ma, Ying-Zhong

Graham, Matthew W.

Fleming, Graham R. ^{[1
]}

Green, Alexander A. ^{[2
]}

Hersam, Mark C. ^{[2
]}

机构：

[1] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA

[2] Northwestern Univ, Dept Mat Sci & Engn, Evanston, IL 60208 USA

来源：

PHYSICAL REVIEW LETTERS | 2008年 / 101卷 / 21期

关键词：

Excitons;

D O I：

10.1103/PhysRevLett.101.217402

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Femtosecond two-pulse degenerate four-wave mixing spectroscopy was applied to study the exciton dephasing in a broad range of excitation intensities and lattice temperatures. We find that both exciton-exciton and exciton-phonon scattering have profound effects on the dephasing process. The dominant phonon mode involved in the dephasing is identified as the out-of-plane, transverse optical mode with a frequency of 847 cm(-1). The extracted homogeneous linewidths at all measured temperatures are in excellent agreement with the results of a single-tube photoluminescence experiment.

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页数：4

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共 25 条

[1] Sorting carbon nanotubes by electronic structure using density differentiation [J].

Arnold, Michael S. ;

Green, Alexander A. ;

Hulvat, James F. ;

Stupp, Samuel I. ;

Hersam, Mark C. .

NATURE NANOTECHNOLOGY, 2006, 1 (01) :60-65

[2] Photon echo studies of biexcitons and coherences in colloidal CdSe quantum dots [J].

Colonna, AE ;

Yang, XJ ;

Scholes, GD .

PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS, 2005, 242 (05) :990-1000

[3] Unusual properties and structure of carbonnanotubes [J].

Dresselhaus, MS ;

Dresselhaus, G ;

Jorio, A .

ANNUAL REVIEW OF MATERIALS RESEARCH, 2004, 34 :247-278

[4] Ab initio study of vibrational dephasing of electronic excitations in semiconducting carbon nanotubes [J].

Habenicht, Bradley F. ;

Karnisaka, Hideyuki ;

Yamashita, Koichi ;

Prezhdo, Oleg V. .

NANO LETTERS, 2007, 7 (11) :3260-3265

[5] Exponential decay lifetimes of excitons in individual single-walled carbon nanotubes [J].

Hagen, A ;

Steiner, M ;

Raschke, MB ;

Lienau, C ;

Hertel, T ;

Qian, HH ;

Meixner, AJ ;

Hartschuh, A .

PHYSICAL REVIEW LETTERS, 2005, 95 (19)

[6] Exciton localization of single-walled carbon nanotubes revealed by femtosecond excitation correlation spectroscopy [J].

Hirori, Hideki ;

Matsuda, Kazunari ;

Miyauchi, Yuhei ;

Maruyama, Shigeo ;

Kanemitsu, Yoshihiko .

PHYSICAL REVIEW LETTERS, 2006, 97 (25)

[7] COLLISION BROADENING OF TWO-DIMENSIONAL EXCITONS IN A GAAS SINGLE QUANTUM WELL [J].

HONOLD, A ;

SCHULTHEIS, L ;

KUHL, J ;

TU, CW .

PHYSICAL REVIEW B, 1989, 40 (09) :6442-6445

[8] Low temperature emission spectra of individual single-walled carbon nanotubes: Multiplicity of subspecies within single-species nanotube ensembles [J].

Htoon, H ;

O'Connell, MJ ;

Cox, PJ ;

Doorn, SK ;

Klimov, VI .

PHYSICAL REVIEW LETTERS, 2004, 93 (02) :027401-1

[9] ELECTRONIC DEPHASING STUDIES OF MOLECULES IN SOLUTION AT ROOM-TEMPERATURE BY FEMTOSECOND DEGENERATE 4-WAVE-MIXING [J].

JOO, T ;

ALBRECHT, AC .

CHEMICAL PHYSICS, 1993, 176 (01) :233-247

[10] GIANT EXCITONIC RESONANCE IN TIME-RESOLVED 4-WAVE-MIXING IN QUANTUM-WELLS [J].

KIM, DS ;

SHAH, J ;

CUNNINGHAM, JE ;

DAMEN, TC ;

SCHAFER, W ;

HARTMANN, M ;

SCHMITTRINK, S .

PHYSICAL REVIEW LETTERS, 1992, 68 (07) :1006-1009