Silver atom solvation and desolvation in ice matrices: Electron spin resonance studies of radiation-produced silver atoms formed at 4 K

Abstract

Silver ions rd by electrons at 4 K in aqueous matrices produce silver atoms with an Ag+ solvation shell. Brief warming to 77 K causes complete solvation of Ag0 which appears to correspond to water molecule rotation around an OH bond to hydrogen bond with Ag0. This atom solvation process can be reversed by optical excitation at 400 nm in the Ag0 absorption band.(AIP)