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. Author manuscript; available in PMC: 2010 Apr 1.
Published in final edited form as: Nano Lett. 2009 Apr;9(4):1555–1558. doi: 10.1021/nl803647n

Figure 4. Effect of a tip on the photothermal response .

Figure 4

(A)Extinction spectra of Au nanopyramids (d = 350 nm) with and without tips. (B) Photothermal response of WT 20 and TL 20 nanopyramids containing the same amount of Au (0.6 ppm). SEM images are 400 nm × 400 nm.