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Single-Step Organization of Plasmonic Gold Metamaterials with Self-Assembled DNA Nanostructures.


ABSTRACT: Self-assembled DNA nanostructures hold great promise as nanoscale templates for organizing nanoparticles (NPs) with near-atomistic resolution. However, large-scale organization of NPs with high yield is highly desirable for nanoelectronics and nanophotonic applications. Here, we design five-strand DNA tiles that can readily self-assemble into well-organized micrometer-scale DNA nanostructures. By organizing gold nanoparticles (AuNPs) on these self-assembled DNA nanostructures, we realize the fabrication of one- and two-dimensional Au nanostructures in single steps. We further demonstrate the one-pot synthesis of Au metamaterials for highly amplified surface-enhanced Raman Scattering (SERS). This single-step and high-yield strategy thus holds great potential for fabricating plasmonic metamaterials.

SUBMITTER: Ren S 

PROVIDER: S-EPMC6750079 | biostudies-literature | 2019

REPOSITORIES: biostudies-literature

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Single-Step Organization of Plasmonic Gold Metamaterials with Self-Assembled DNA Nanostructures.

Ren Shaokang S   Wang Jun J   Song Chunyuan C   Li Qian Q   Yang Yanjun Y   Teng Nan N   Su Shao S   Zhu Dan D   Huang Wei W   Chao Jie J   Wang Lianhui L   Fan Chunhai C  

Research (Washington, D.C.) 20190821


Self-assembled DNA nanostructures hold great promise as nanoscale templates for organizing nanoparticles (NPs) with near-atomistic resolution. However, large-scale organization of NPs with high yield is highly desirable for nanoelectronics and nanophotonic applications. Here, we design five-strand DNA tiles that can readily self-assemble into well-organized micrometer-scale DNA nanostructures. By organizing gold nanoparticles (AuNPs) on these self-assembled DNA nanostructures, we realize the fab  ...[more]

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