Controlling nonequilibrium phonon populations in single-walled carbon nanotubes

被引：15
|
作者：
Steiner, Mathias [1 ]
Qian, Huihong [1 ]
Hartschuh, Achim [1 ]
Meixner, Alfred Johann [1 ]
机构：
[1] Univ Tubingen, Inst Phys & Theoret Chem, D-72076 Tubingen, Germany
来源：
NANO LETTERS | 2007年 / 7卷 / 08期
关键词：
D O I：
10.1021/nl070693i
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
We studied spatially isolated single-walled carbon nanotubes (SWNTs) immobilized in a quasi-planar optical lambda/2-microresonator using confocal microscopy and spectroscopy. The modified photonic mode density within the resonator is used to selectively enhance or inhibit different Raman transitions of SWNTs. Experimental spectra are presented that exhibit single Raman bands only. Calculations of the relative change in the Raman scattering cross sections underline the potential of our microresonator for the optical control of nonequilibrium phonon populations in SWNT.
引用
收藏
页码：2239 / 2242
页数：4
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