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Updated: Aug 21, 2026

Liquid-cell Transmission Electron Microscopy for Tracking Self-assembly of Nanoparticles
Published on: October 16, 2017
Dynamical self-assembly of nanocrystal superlattices during colloidal droplet evaporation by in situ small angle
Suresh Narayanan1, Jin Wang, Xiao-Min Lin
1Advanced Photon Source, Argonne National Laboratory, Argonne, Illinois 60439, USA.
Abstract:
The nucleation and growth kinetics of highly ordered gold nanocrystal superlattices during the evaporation of nanocrystal colloidal droplets was elucidated by in situ time-resolved small-angle x-ray scattering. We demonstrated for the first time that the evaporation rate can affect the dimensionality of the superlattices. The formation of two-dimensional nanocrystal superlattices at the liquid-air interface of the droplet has exponential growth kinetics that originates from interface crushing.
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