A simple method to reprogram the binding specificity of DNA-coated colloids that crystallize

Moerman, Pepijn G.; Huang, Fang; Videbæk, Thomas E.; Rogers, W. Benjamin; Schulman, Rebecca

doi:10.48550/arxiv.2206.00952

Cited by 1 publication

(1 citation statement)

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“…In addition, patchy colloidal clusters can be co-assembled with spherical particles, [93] or colloidal clusters as well as other types of patchy clusters to prepare more complex colloidal structures. Figure 10b The patchy colloidal cluster can be further developed by varying the size and number of lobes or functionalizing patches in central cores differently with DNA via a post reprogramming process, [83,84,94,95] as shown in Figure 10c. Thereby, asymmetric patchy colloidal clusters or chiral ones as illustrated in the fifth generation of colloidal building blocks may lead us to a new class of low-coordinated open colloidal superstructures, limited or transformable ones, or even chiral ones with the help of DNA glue, which have never been explored in the past.…”

Section: Discussionmentioning

confidence: 99%

Advances in Colloidal Building Blocks: Toward Patchy Colloidal Clusters

et al. 2022

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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.

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