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Microfluidic synthesis of triangular core-shell tAg@SiO2. (A) Experimental setup for the synthesis of tAg@SiO2, with a U.S. one cent coin for scale. (B) Simulation result of mixing in two-loop spiral-shaped microchannel. (C,E) TEM images of tAg@SiO2 at different magnifications. (D) tAg@SiO2(F) Schematic drawing of the structure of tAg@SiO2. (G) and (H) are the top-view and side-view of tAg@SiO2, respectively.
