title: Hexoctahedral Au nanocrystals with high-index facets and their optical and surface-enhanced Raman scattering properties.
abstract: Au nanocrystals (NCs) with an unprecedented hexoctahedral structure enclosed exclusively by high-index {321} facets have been prepared for the first time. Manipulating the NC growth kinetics by controlling the amount of reductant and the reaction temperature in the presence of a suitable surfactant was the key synthetic lever for controlling the morphology of the Au NCs. The hexoctahedral Au NCs exhibited efficient optical and surface-enhanced Raman scattering activities due to their unique morphological characteristics.
authors.affiliation: Department of Chemistry and KI for the NanoCentury, KAIST, Daejeon 305-701, Korea.
authors.forename: Jong Wook
authors.initials: JW
authors.lastname: Hong
authors.forename: Su-Un
authors.initials: SU
authors.lastname: Lee
authors.forename: Young Wook
authors.initials: YW
authors.lastname: Lee
authors.forename: Sang Woo
authors.initials: SW
authors.lastname: Han