ANISOTROPIC LIGHT-EMITTING COLLOIDAL KAGOME SUPERLATTICES

Abstract: a method of making colloidal kagome superlattices can include functionalizing a plurality of metal nanoparticles with a plurality of oligonucleotides to produce programmable atom equivalents; and cooling the programmable atom equivalents to induce crystallization of the programmable atom equivalents. the cooling process can include cooling the paes from a first temperature to a second temperature at a first cooling rate, cooling the paes from the second temperature to a third temperature at a second cooling rate, and cooling the paes from the third temperature to a fourth temperature at a third cooling rate. the kagome superlattices can have a rhombohedral unit cell formed by alternating chiral layers of paes organized in 2-dimensional distorted kagome layers. the colloidal superlattices can have anisotropic light emission, purcell factors of at least 25 and birefringent properties.

Inventor(s): Chad A. Mirkin, Zhiwei Li, Wenjie Zhou

CPC Classification: C07H23/00 (Compounds containing boron, silicon, or a metal, e.g. chelates, vitamin B (esters with inorganic acids ; metal salts, see parent compounds))

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