ANF offers the NS1 NanoSpectralyzer®, a unique automated fluorimetric analyzer based on the most advanced research in nanotube spectroscopy. This patent-pending instrument combines a specialized optical system with custom software to enable efficient, turn-key analyses of bulk SWNT samples. The NS1 NanoSpectralyzer is valuable for tuning the process conditions in SWNT growth reactors, for quality control, for guiding nanotube sorting and separation methods, and for a wide range of research applications that require detailed compositional data on a rapid time scale.
NS1 101607The user can prepare a sample in a few minutes by ultrasonically dispersing ca. 0.01 mg of a raw solid SWNT specimen into a small volume of aqueous surfactant solution. A few drops of this suspended specimen are then placed into the NanoSpectralyzer's sample cell. After simple selection of experimental modes, a single mouse-click launches an automated sequence of data collection and interpretation that quickly provides the operator with a detailed compositional analysis. The sample is first irradiated with light from diode lasers of pre-selected wavelengths, and the resulting fluorescence emission is collected by specialized optics, dispersed in a spectrograph, detected by a multichannel near-IR sensor, and recorded by the instrument's computer. The resulting spectral data are automatically analyzed, using established findings in SWNT optical spectroscopy, to provide a detailed description of the semiconducting SWNT content of the sample. Specific (n,m) species are identified along with their apparent relative abundances. The findings are also displayed in the form of a diameter distribution.
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