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TEM image of Au–Ag heterostructure. Inset (a) shows the TEM image of bare AgNW and inset (b) shows the TEM image of Au-TDA nanoclusters.
(Color online) (a) NcAFM image of Au-TDA nanoclusters aligned along AgNWs. Scan area: . (b) Line profile along Au–Ag heteronanowire marked by a line in (a).
(Color online) (a) Constant current STM image of Au–Ag heteronanowires. Scan area:, , and . (b) Line profile across the nanowire marked by a line in (a).
characteristics taken on bare AgNW (marked by “▵”), isolated Au-TDA nanocluster (marked by o), and Au–Ag heteronanowire (marked by dark solid line). Inset (a) shows the line profile along the aligned Au-TDA nanoclusters on silver nanowire in Fig. 3(a).
(Color online) Schematic of the mode of integration of Au-TDA nanoclusters on AgNWs.
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