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(A) STEM‐HAADF image of biosynthesized nanoparticles from Pd and Au‐bearing solution and (B) corresponding polycrystalline select area diffraction pattern (from area highlighted in the red box) which is consistent with the FCC crystal structure of Au(0). (C and D) Atomic resolution bright field images of small nanocrystals with corresponding lattice spacings consistent with the (111) facet of Pd(0).
