Corner-, edge-, and facet-controlled growth of nanocrystals

Yuanwei Li, Haixin Lin, Wenjie Zhou, Lin Sun, Devleena Samanta, Chad A. Mirkin

Research output: Contribution to journalArticlepeer-review

Abstract

The ability to precisely control nanocrystal (NC) shape and composition is useful in many fields, including catalysis and plasmonics. Seed-mediated strategies have proven effective for preparing a wide variety of structures, but a poor understanding of how to selectively grow corners, edges, and facets has limited the development of a general strategy to control structure evolution. Here, we report a universal synthetic strategy for directing the site-specific growth of anisotropic seeds to prepare a library of designer nanostructures. This strategy leverages nucleation energy barrier profiles and the chemical potential of the growth solution to control the site-specific growth of NCs into exotic shapes and compositions. This strategy can be used to not only control where growth occurs on anisotropic seeds but also control the exposed facets of the newly grown regions. NCs of many shapes are synthesized, including over 10 here-to-fore never reported NCs and, in principle, many others are possible.

Original languageEnglish (US)
Article numbereabf1410
JournalScience Advances
Volume7
Issue number3
DOIs
StatePublished - Jan 15 2021

ASJC Scopus subject areas

  • General

Fingerprint Dive into the research topics of 'Corner-, edge-, and facet-controlled growth of nanocrystals'. Together they form a unique fingerprint.

Cite this