Control and manipulation of crystal structures has important implications for the design and preparation of new solid-state materials. The ability to obtain meta-stable high-energy structures in a controlled way requires fundamental understanding of the phase transformation mechanisms. The kinetics of phase transitions in nanocrystals (NCs) are generally less complex than those in bulk because of their large surface areas and a low number of crystal lattice defects.2 As such, colloidal NCs offer a unique opportunity to control metastability and manipulate structural transformations in solutions.
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