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. Author manuscript; available in PMC: 2013 Jan 17.
Published in final edited form as: Angew Chem Int Ed Engl. 2009;48(42):7787–7791. doi: 10.1002/anie.200903380

Figure 2.

Figure 2

A–D) SEM images of the triangular bipyramids (scale bar 300 nm) generated with the band pass filter centered at 500±20 550±20, 600±20, and 650±20 nm respectively. (Inset of B: a higher magnification view, scale bar 100 nm).