Fig. 1

Schematic illustrations of (a) monometallic NP, and bimetallic NPs in various structures: (b) alloy, (c) core-thin shell, (d) core-thick shell NP, (e) ordered (layered), (f) Janus, and (g) disordered (segregated).

Schematic illustrations of (a) monometallic NP, and bimetallic NPs in various structures: (b) alloy, (c) core-thin shell, (d) core-thick shell NP, (e) ordered (layered), (f) Janus, and (g) disordered (segregated).