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. Author manuscript; available in PMC: 2013 Aug 28.
Published in final edited form as: Chem Sci. 2011 May 6;2(8):1435–1439. doi: 10.1039/C1SC00125F

Fig. 1.

Fig. 1

Calculated electric field intensities for different metal NP shapes and dimers at LSP resonance wavelengths of (a) nanoprism with hot spots at sharp asperities (top-down), (b) nanoprism dimer (top-down), (c) nanosphere dimer, and (d) two stacked nanopyramids (side-view). Red color corresponds to highest intensity. Adapted with permission from ref. 21 and 32. Copyrights 2004 American Institute of Physics and 2010 American Chemical Society.