Fig. 2: Growth of superlattices from DNA frame bifunctionalized and monofunctionalized Si/SiO2 surfaces.
From: Macroscale-area patterning of three-dimensional DNA-programmable frameworks
a Optical image of DNA frame superlattices on bifunctionalized Si/SiO2 surface in non-patterned regions. The inset showcases an SEM image of the silicated superlattices. b Optical image of DNA origami frame superlattices on monofunctionalized Si/SiO2 surface in non-patterned regions. The inset showcases an SEM image of the silicated superlattices. c Schematic and SEM images illustrating surface-patterned DNA origami frame superlattices on bifunctionalized Si/SiO2 surface, along with a magnified view of a crystal highlighting the crystal structures. d Schematic and SEM images, including top and side views, of surface-patterned DNA frame superlattices on monofunctionalized Si/SiO2 surface. e DNA frame superlattices grown along different crystallographic orientations from the substrates. Left to Right: Sequentially arranged schematics depicting the (100), (110), and (111) planes from which crystals were grown, schematics of the superlattices, SEM images of the shaped single crystals on the surface, corresponding experimental SAXS data, simulated SAXS data, and an overlay of the experimental SAXS and simulated SAXS data.
