Figure 4.

Absorption spectra of the aqueous solutions. (a) Gold nanostars (black) and their hybrid structures with J-aggregates of JC1 dye without (blue) and with PEI (green); (b) gold nanorods (violet) and their hybrid structure with J-aggregates of JC1 dye (cyan); (c) pristine J-aggregates of JC1 dye (red, solid line) along with the spectra of the solution of JC1 dye in methanol (red, dashed line). Horizontal lines indicate zero levels for each group of the absorption spectra.

Melnikau et al. Nanoscale Research Letters 2013 8:134   doi:10.1186/1556-276X-8-134
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