Issue 40, 2013

Photoluminescence studies on exciton photophysics in carbon nanotubes

Abstract

Single-walled carbon nanotubes (SWNTs) are extremely thin cylinders of hexagonal carbon networks with diameters on the order of 1 nm. Over the past decade, optical properties of SWNTs, dominated by correlated electron–hole bound states known as excitons, have been intensively studied. The exciton photophysics of SWNTs is relevant to nearly all optical phenomena observed in SWNTs, and their detailed understanding is critical for the development of future optoelectronic devices using SWNTs. Here we review some interesting photophysics related to excitons in SWNTs, including fundamental features in optical absorption and photoluminescence spectra, effects of exciton–phonon interactions, anisotropic optical absorption and emission, effects of surrounding materials, radiative and nonradiative lifetimes, and diffusional exciton migration along SWNTs, which have been studied by continuous-wave and time-resolved optical spectroscopy.

Graphical abstract: Photoluminescence studies on exciton photophysics in carbon nanotubes

Article information

Article type
Feature Article
Submitted
29 дек 2012
Accepted
31 юли 2013
First published
12 сеп 2013

J. Mater. Chem. C, 2013,1, 6499-6521

Photoluminescence studies on exciton photophysics in carbon nanotubes

Y. Miyauchi, J. Mater. Chem. C, 2013, 1, 6499 DOI: 10.1039/C3TC00947E

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