Nanoscopic morphological effect on the optical properties of polymer-grafted gold polyhedra.

The LSPR spectral shift derived from the simulated spectra of the PS-grafted gold polyhedra with different edge lengths showed an increasing trend with longer edge lengths in both core shapes and a larger variation in the concave cube core than in the cube core with the same edge length ( Fig. 5a , S9 and S10, ESI † ), which corresponded to our experimental spectral behaviour.

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