Fig. 10
Coupling between Au nanoparticle dimers and molecular emitters. a Schematic of two layers of DNA origami sheet templating AuNP dimer. b TEM images of AuNPs accommodated by DNA sheets. c Normalized scattering spectra before and after photobleaching the J-aggregates. d Correlation function between the coupling strength and particle radius. e 40 nm AuNP dimers attached by DNA double-strand and single nanostructure resonance spectra for different ionic strengths, (left) 250 mM and (right) 1 M. f 40 nm AuNP dimers attached by DNA double-strand featuring Atto647N molecules and scattering spectra for different ionic strengths, (left) 250 mM and (right) 1 M. g Distribution of ω± as a function of energy detuning, σ = ωp - ω0. h Distribution of estimated coupling strength in comparison to the simulated values. Reproduced with permissions from [16, 88], respectively