title: Fine tuning the optical properties of Au-Ag nanocages by selectively etching Ag with oxygen and a water-soluble thiol.
authors.affiliation: Department of Biomedical Engineering, Washington University, St. Louis, Missouri 63130.
authors.forename: Eun Chul
authors.initials: EC
authors.lastname: Cho
authors.forename: Claire M
authors.initials: CM
authors.lastname: Cobley
authors.forename: Matthew
authors.initials: M
authors.lastname: Rycenga
authors.forename: Younan
authors.initials: Y
authors.lastname: Xia