Plasmon-Mediated Synthesis of Silver Triangular Bipyramids


  • C.A.M. acknowledges support from NSF, MRSEC, and NSSEF. C.A.M. is also grateful for an NIH Director’s Pioneer Award. G.C.S. acknowledges MRSEC, NSF-DMR, and AFOSR/DARPA for support.


original image

Color-tuned: Monodisperse silver right-triangular bipyramids (see SEM image) were formed by photoinduced synthesis in high yield. The edge length of the bipyramids can be easily controlled by the wavelength of excitation light (see diagram).