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. Author manuscript; available in PMC: 2017 Mar 3.
Published in final edited form as: J Phys Chem C Nanomater Interfaces. 2016 Feb 19;120(8):4546–4555. doi: 10.1021/acs.jpcc.6b00185

Figure 3.

Figure 3

A) Two-photon scattering spectrum from freshly prepared DNA-mediated gold nanoprism assembly and comparison with only gold nanoprism. We have used 1100 nm light as an excitation source. Plot clearly shows that enhancement of more than three orders of magnitude of two-photon scattering intensity due to the formation of DNA-mediated gold nanoprism assembly. B) Two-photon-fluorescence spectrum from freshly prepared DNA-mediated gold nanoprism assembly in comparison with only gold nanoprism. We have used 1100 nm light as excitation source. Plot clearly shows that enhancement of more than two orders of magnitude of two-photon fluorescence intensity due to the formation of DNA-mediated gold nanoprism assembly. C, D) Plot shows how the two photon scattering intensity varies with the fundamental light angle of polarization, C) monomer gold nanoprism and D) DNA-mediated gold nanoprism assembly.