Structure of a thiol monolayer-protected gold nanoparticle at 1.1 A resolution.

@article{Jadzinsky2007StructureOA,
  title={Structure of a thiol monolayer-protected gold nanoparticle at 1.1 A resolution.},
  author={Pablo D Jadzinsky and Guillermo Calero and Christopher J Ackerson and David A. Bushnell and Roger D. Kornberg},
  journal={Science},
  year={2007},
  volume={318 5849},
  pages={
          430-3
        }
}
Structural information on nanometer-sized gold particles has been limited, due in part to the problem of preparing homogeneous material. Here we report the crystallization and x-ray structure determination of a p-mercaptobenzoic acid (p-MBA)-protected gold nanoparticle, which comprises 102 gold atoms and 44 p-MBAs. The central gold atoms are packed in a Marks decahedron, surrounded by additional layers of gold atoms in unanticipated geometries. The p-MBAs interact not only with the gold but… CONTINUE READING

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