Synthesis and isolation of {110}-faceted gold bipyramids and rhombic dodecahedra |
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Authors: | Personick Michelle L Langille Mark R Zhang Jian Harris Nadine Schatz George C Mirkin Chad A |
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Institution: | Department of Chemistry and International Institute for Nanotechnology, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, USA. |
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Abstract: | Two {110}-faceted gold nanostructures--rhombic dodecahedra and obtuse triangular bipyramids--have been synthesized via a Ag-assisted, seed-mediated growth method. The combination of a Cl(-)-containing surfactant with a low concentration of Ag(+) plays a role in the stabilization of the {110} facets. To the best of our knowledge, this is the first reported synthesis of a {110}-faceted bipyramid structure. |
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