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Issue 6, 2010
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Measuring the lengthening kinetics of aligned nanostructures by spatiotemporal correlation of height and orientation

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Abstract

Owing to their inherent tortuosity, the collective height of vertically aligned nanostructures does not equal the average length of the individual constituent nanostructures, and therefore temporal height measurement is not an accurate measure of the genuine growth kinetics. We use high-resolution spatial mapping of alignment by small-angle X-ray scattering (SAXS) to transform real-time measurements of array height to the average length of the nanostructures. Applying this approach to carbon nanotube (CNT) forest growth transforms the kinetics from a sub-linear to a linear relationship with time, highlighting the potential for insights into the limiting growth mechanisms of CNTs and other one-dimensional nanostructures.

Graphical abstract: Measuring the lengthening kinetics of aligned nanostructures by spatiotemporal correlation of height and orientation

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Publication details

The article was received on 09 Nov 2009, accepted on 15 Feb 2010 and first published on 29 Mar 2010


Article type: Communication
DOI: 10.1039/B9NR00343F
Citation: Nanoscale, 2010,2, 896-900
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    Measuring the lengthening kinetics of aligned nanostructures by spatiotemporal correlation of height and orientation

    E. R. Meshot, M. Bedewy, K. M. Lyons, A. R. Woll, K. A. Juggernauth, S. Tawfick and A. J. Hart, Nanoscale, 2010, 2, 896
    DOI: 10.1039/B9NR00343F

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