Metallic nanostructures based on DNA nanoshapes

Metallic nanostructures have inspired extensive research over several decades, particularly within the field of nanoelectronics and increasingly in plasmonics. Due to the limitations of conventional lithography methods, the development of bottom-up fabricated metallic nanostructures has become more and more in demand. The remarkable development of DNA-based nanostructures has provided many successful methods and realizations for these needs, such as chemical DNA metallization via seeding or ionization, as well as DNA-guided lithography and casting of metallic nanoparticles by DNA molds. These methods offer high resolution, versatility and throughput and could enable the fabrication of arbitrarily-shaped structures with a 10-nm feature size, thus bringing novel applications into view. In this review, we cover the evolution of DNA-based metallic nanostructures, starting from the metallized double-stranded DNA for electronics and progress to sophisticated plasmonic structures based on DNA origami objects.

Keywords

DNA nanotechnology, DNA origami, Metallization, Nanoelectronics, Nanoparticle, Plasmonics, Self-assembly

DOI

10.3390/nano6080146

Citation

Shen , B , Tapio , K , Linko , V , Kostiainen , M A & Toppari , J J 2016 , ' Metallic nanostructures based on DNA nanoshapes ' , Nanomaterials , vol. 6 , no. 8 , 146 , pp. 1-22 . https://doi.org/10.3390/nano6080146

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https://urn.fi/URN:NBN:fi:aalto-201805222295

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[article-cris] Kemian tekniikan korkeakoulu / CHEM

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Metallic nanostructures based on DNA nanoshapes

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