Figure 2.

a: UV-Vis absorption spectra of samples Au@P(DMPAHCl) and Ag@P(DMPAHCl) and b: Ag, Au and Pt core shell in water suspensions image (yellow, pink and grey, respectively).

Fratoddi et al. Nanoscale Research Letters 2011 6:98   doi:10.1186/1556-276X-6-98
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