Optical response of Ag2, Ag3, Au2, and Au3 in argon matrices

Abstract

We report on the optical response of size selected Ag2, Ag3, Au2, and Au3 embedded in argon matrices. Cluster samples were investigated in situ by excitation, fluorescence, and absorption spectroscopy. The spectra for the dimers are in agreement with previous measurements made on conventionally prepared matrices. Our previously reported spectra of trimers in krypton are confirmed by the argon results. The influence of the matrix gas will briefly be discussed.