Advances in Colloidal Building Blocks: Toward Patchy Colloidal Clusters

You Jin Kim, Jeong Bin Moon, Hyerim Hwang, Youn Soo Kim, Gi Ra Yi

Research output: Contribution to journalReview articlepeer-review

Abstract

The scalable synthetic route to colloidal atoms has significantly advanced over the past two decades. Recently, colloidal clusters with DNA-coated cores called “patchy colloidal clusters” have been developed, providing a directional bonding with specific angle of rotation due to the shape complementarity between colloidal clusters. Through a DNA-mediated interlocking process, they are directly assembled into low-coordination colloidal structures, such as cubic diamond lattices. Herein, the significant progress in recent years in the synthesis of patchy colloidal clusters and their assembly in experiments and simulations is reviewed. Furthermore, an outlook is given on the emerging approaches to the patchy colloidal clusters and their potential applications in photonic crystals, metamaterials, topological photonic insulators, and separation membranes.

Original languageEnglish
JournalAdvanced Materials
DOIs
StateAccepted/In press - 2022

Keywords

  • colloidal clusters
  • low-coordination colloidal structures
  • patchy colloidal clusters
  • patchy particles
  • self-assembly

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