Watching Single Nanoparticles Grow in Real Time through Supercontinuum Spectroscopy

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Abstract

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A fast dark-field scattering technique capturing full broadband spectra with millisecond time-resolution enables us to monitor the growth or assembly of single nano-objects in situ and in real time. Applying this technique to study the growth of single gold nanorods, together with scanning electron microscopy and finite-difference time-domain simulations, reveals precise quantitative information about gold nanorod growth kinetics.

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