Nucleation, growth, and superlattice formation of nanocrystals observed in liquid cell transmission electron microscopy

Qian Chen, Jong Min Yuk, Matthew R. Hauwiller, Jungjae Park, Kyun Seong Dae, Jae Sung Kim, A. Paul Alivisatos

Research output: Contribution to journalReview articlepeer-review

Abstract

This article reviews the advancements and prospects of liquid cell transmission electron microscopy (TEM) imaging and analysis methods in understanding the nucleation, growth, etching, and assembly dynamics of nanocrystals. The bonding of atoms into nanoscale crystallites produces materials with nonadditive properties unique to their size and geometry. The recent application of in situ liquid cell TEM to nanocrystal development has initiated a paradigm shift, (1) from trial-And-error synthesis to a mechanistic understanding of the synthetic reactions responsible for the emergence of crystallites from a disordered soup of reactive species (e.g., ions, atoms, molecules) and shape-defined growth or etching; and (2)A from post-processing characterization of the nanocrystals' superlattice assemblies to inA situ imaging and mapping of the fundamental interactions and energy landscape governing their collective phase behaviors. Imaging nanocrystal formation and assembly processes on the single-particle level in solution immediately impacts many existing fields, including materials science, nanochemistry, colloidal science, biology, environmental science, electrochemistry, mineralization, soft condensed-matter physics, and device fabrication.

Original languageEnglish (US)
Pages (from-to)713-726
Number of pages14
JournalMRS Bulletin
Volume45
Issue number9
DOIs
StatePublished - Sep 1 2020

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Physical and Theoretical Chemistry

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