Transitioning DNA-Engineered Nanoparticle Superlattices from Solution to the Solid State

被引：136

作者：

Auyeung, Evelyn ^{[1
]}

Macfarlane, Robert J. ^{[2
]}

Choi, Chung Hang J. ^{[2
]}

Cutler, Joshua I. ^{[2
]}

Mirkin, Chad A. ^{[1
,2
]}

机构：

[1] Northwestern Univ, Dept Mat Sci & Engn, Evanston, IL 60208 USA

[2] Northwestern Univ, Dept Chem, Evanston, IL 60208 USA

来源：

ADVANCED MATERIALS | 2012年 / 24卷 / 38期

关键词：

assembly; silica; nanoparticles; DNA; PLASMONIC NANOSTRUCTURES; TRIANGULAR NANOPRISMS; CRYSTALLIZATION; ASSEMBLIES;

D O I：

10.1002/adma.201202069

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

DNA-nanoparticle superlattices are transferred to the solid state by silica encapsulation. Whereas these materials previously existed only in solution, this method allows the superlattices to remain stable in formerly inaccessible environments including in common organic solvents and at elevated temperatures. The silica-encapsulated superlattices can be directly imaged by transmission electron microscopy (TEM) where both the lattice symmetries and interparticle spacings are preserved. Copyright © 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

引用

页码：5181 / 5186

页数：6

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