Selective Area Grown DNA origami Superlattice Assembly for Scalable Device Synthesis

DNA nanotechnology enables precise nanoscale material assembly, including creating superlattices with 3D organization of materials. However, creating devices based on these materials is challenging due to the difficulty in growing and placing DNA superlattices on surfaces. We demonstrate a scalable technique using nanofabrication and inorganic templating for controlled superlattice growth and conversion into inorganic 3D structures that could bridge the gap between DNA self-assembly and nanoelectronics. This technique allows precise placement, orientation and material composition. We prove its functionality by templating nanolattices on silicon substrate and converting it to a 3D tin-oxide networks. Electrical characterization demonstrates a Poole-Frenkel conductivity behavior that is typical for disordered semiconductors.