Figure 1.
Working principle of BP of QDs on plasmonic substrates. (a) Schematic of the optical setup for BP. (b) Schematic showing the QDs being trapped toward the bubble generated on the substrate and the eventual immobilization of QDs on the substrate. (c) Illustration of the QDs immobilized along the path traversed by the laser beam to create patterns of QDs on the substrate. (d) Schematic illustration of the different parameters that affect the outward heat flux and the bubble generation. T, solvent temperature; k, solvent thermal conductivity; R, radius of the bubble; ΔT, temperature difference across bubble surface.