Real Time Hyperspectroscopy for Dynamical Study of Carbon Nanotubes
Photoluminescence excitation mapping used routinely to characterize semiconducting single-walled carbon nanotubes (sc-SWCNTs) is extended to provide time-dependent data. A hyperspectral method based on a supercontinuum light source and an imaging detector is demonstrated with excitation and emission...
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| Veröffentlicht in: | ACS nano 2016-10, Vol.10 (10), p.9602-9607 |
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| container_title | ACS nano |
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| creator | Lefebvre, Jacques |
| description | Photoluminescence excitation mapping used routinely to characterize semiconducting single-walled carbon nanotubes (sc-SWCNTs) is extended to provide time-dependent data. A hyperspectral method based on a supercontinuum light source and an imaging detector is demonstrated with excitation and emission wavelengths spanning 600–1000 and 1050–1650 nm, respectively, at time scales |
| doi_str_mv | 10.1021/acsnano.6b05077 |
| format | Article |
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A hyperspectral method based on a supercontinuum light source and an imaging detector is demonstrated with excitation and emission wavelengths spanning 600–1000 and 1050–1650 nm, respectively, at time scales <100 ms. An example of a titration experiment is given to highlight the potential offered by the technique. Specifically, the dependence of luminescence yield on acceptor concentration is tracked for 18 different chirality assigned sc-SWCNT species. Dopant-induced quenching presents a simple dependence on nanotube diameter, with larger diameter being most affected, while chirality does not appear to be a dominant factor. 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| source | American Chemical Society Journals |
| title | Real Time Hyperspectroscopy for Dynamical Study of Carbon Nanotubes |
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