Connecting single molecule electrical measurements to ensemble spectroscopic properties for quantification of single-walled carbon nanotube separation.

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Journal of the American Chemical Society, ISSN: 1520-5126, Vol: 131, Issue: 9, Page: 3128-9

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Kim, Woo-Jae; Lee, Chang Young; O'brien, Kevin P.; Plombon, John J.; Blackwell, James M.; Strano, Michael S.
American Chemical Society (ACS); AMER CHEMICAL SOC; American Chemical Society
Chemical Engineering; Chemistry; Biochemistry, Genetics and Molecular Biology; Single-walled carbon nanotubes (SWCN) Device properties; Electrical characterization; Electrical measurement; Electrical probe stations; Extinction coefficients; High throughput; Potential defects; Processing method; Single molecule; Spectroscopic measurements; Spectroscopic property
article description
We directly compared ensemble spectroscopic measurements to a statistically rigorous single molecule electrical characterization of individual SWNT devices using a high throughput electrical probe station and reported, for the first time, a highly accurate extinction coefficient ratio for metallic to semiconducting SWNTs of 0.352 +/- 0.009. The systematic counting of metallic and semiconducting types from solution also allows us to examine the variances associated with device properties and therefore provide the first measure of potential defect generation during processing methods.