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Nanospectralyzer™ for Single-walled Carbon Nanotube (SWNT) Characterisation
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| Near-infrared band-gap fluorescence from individual semiconducting single-walled carbon nanotubes (SWNT) was discovered at Rice University in 2001. Subsequent research at Rice deciphered the complex pattern of absorption and emission peaks seen in mixed samples. As a result, each distinct spectroscopic feature has now been assigned to a specific nanotube structure. These structural species differ in diameter and chiral angle, and are uniquely labeled by pairs of integers denoted (n,m). The near-infrared emission spectra of nanotube samples serve as compositional "fingerprints." One can therefore use spectrofluorimetry to deduce detailed information about the compositions of bulk samples, which invariably contain mixtures of (n,m) species. Applied Nanofluorescence has developed a specialized fluorimetric instrument designed specifically for SWNT analysis. Our unique fluorimetric analyzer combines a compact, efficient optical system and sophisticated software that acquires and interprets the data. It allows users to easily and rapidly find the identities and amounts of specific (n,m) semiconducting nanotubes in their bulk samples. |
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| PDF Download |
| NS1 NanoSpectralyzer™ Single-walled Carbon Nanotubes analyzing tool (PDF, 211 KB) |
| NanoSpectralyzer background information (PDF, 645 KB) |
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| Application Notes |
| Assessing SWCNT Dispersion Quality (PDF, 186 KB) |
| Determining (n,m) Compositions of SWCNT Samples (PDF, 249 KB) |
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