Periodic square-like gold nanoparticle arrays templated by self-assembled 2D DNA Nanogrids on a surface |
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Authors: | Zhang Junping Liu Yan Ke Yonggang Yan Hao |
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Affiliation: | Department of Chemistry and Biochemistry & The Biodesign Institute, Arizona State University, Tempe, Arizona 85287, USA. |
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Abstract: | We report the use of a self-assembled two-dimensional (2D) DNA nanogrid as a template to organize 5-nm gold nanoparticles (Au NPs) into periodic square lattices. Each particle sits on only a single DNA tile. The center-to-center interparticle spacing between neighboring particles is controlled to be approximately 38 nm. These evenly distributed Au NP arrangements with accurate control of interparticle spacing may find applications in nanoelectronic and nanophotonic devices. |
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