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. 2014 Mar 3;30(11):3041–3050. doi: 10.1021/la5002754

Figure 1.

Figure 1

TEM images of different NP heterodimers prepared by electrostatic self-assembly: (A) Ag (spherical90 nm) and Pd (cube25 nm); (B) Ag (spherical90 nm) and Pd (cube70 nm); (C) Au (spherical90 nm) and Pd (cube25 nm); (D) Au (spherical90 nm) and Pd (cube70 nm); (E) Au (spherical90 nm) and Au (cube35 nm); (F) Ag (spherical90 nm) and Au (cube35 nm); (G) Au (spherical90 nm) and Au (rhombic octahedron50 nm); (H) EDX-STEM elemental analysis of dimer Au (spherical90 nm)–Pd (cube25 nm). The peaks of Cu, arising from the TEM grid, are marked with an asterisk.