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. Author manuscript; available in PMC: 2010 Feb 10.
Published in final edited form as: Photochem Photobiol. 2009 Jan–Feb;85(1):21. doi: 10.1111/j.1751-1097.2008.00507.x

Figure 2. Gold NRs with tunable optical absorptions at visible and NIR wavelengths.

Figure 2

(a) Optical absorption spectra of gold NRs with different aspect ratios. (b) Color wheel, with reference to λLR and λTR for gold NRs labeled a–e.