title: Synthesis and manipulation of high aspect ratio gold nanorods grown directly on surfaces.
abstract: Here we describe the synthesis of Au nanorods directly on glass surfaces using seed-mediated deposition of Au from AuCl4- onto surface-attached 3-5 nm diameter Au nanoparticles (AuNPs) in the presence of cetyltrimethylammonium bromide (CTAB). The average length (200 nm to 1.2 microm) and aspect ratio (6-22) of the nanorods increases with increasing AuCl4- concentration. Short, low aspect ratio Au nanorods are manipulated with an atomic force microscopy (AFM) tip, while longer, high aspect ratio nanorods are bent and broken with the AFM tip.
authors.forename: Zhongqing
authors.initials: Z
authors.lastname: Wei
authors.forename: Aneta J
authors.initials: AJ
authors.lastname: Mieszawska
authors.forename: Francis P
authors.initials: FP
authors.lastname: Zamborini