DNA Origami-Mediated Substrate Nanopatterning of Inorganic Structures for Sensing ApplicationsPetteri Piskunen 1, Boxuan Shen 1, Sofia Julin 1, Heini Ijäs 1,2, J. Jussi Toppari 3, Mauri A. Kostiainen 1,4, Veikko Linko 1,4
1Biohybrid Materials, Department of Bioproducts and Biosystems, Aalto University, 2University of Jyväskylä, Nanoscience Center, Department of Biological and Environmental Science, University of Jyväskylä, 3University of Jyväskylä, Nanoscience Center, Department of Physics, University of Jyväskylä, 4HYBER Center of Excellence, Department of Applied Physics, Aalto University
Here, we describe a protocol to create discrete and accurate inorganic nanostructures on substrates using DNA origami shapes as guiding templates. The method is demonstrated by creating plasmonic gold bowtie-shaped antennas on a transparent substrate (sapphire).