Time-resolved photoelectron spectroscopy of mass-selected metal-water clusters
نویسنده
چکیده
منابع مشابه
Direct observation of the dynamics of electronic excitations in molecules and small clusters
Femtosecond time-resolved photoelectron spectroscopy is applied to study relaxation paths of excited states of mass-selected negatively charged clusters. As a first example, the lifetime of an excited state of the carbon trimer anion is measured directly. In addition, the mechanism of the decay, i.e., the configurations of the participating electronic states, is determined from the photoelectro...
متن کاملRelaxation dynamics of the mass-selected hydrated Auride ion (Au )
By using time resolved photoelectron spectroscopy, decay of optically excited states of hydrated Au mass selected in the gas phase was studied. It is suggested that the pump photon can induce injection of an electron from auride chromophore to the water solvent. The cluster with three water molecules (Au (H2O)3) showed a long living excited state with a lifetime of 19 ± 3 ps, whereas that of Au...
متن کاملElectron solvation in finite systems: femtosecond dynamics of iodide. (Water)n anion clusters
Electron solvation dynamics in photoexcited anion clusters of I-(D2O)n=4-6 and I-(H2O)4-6 were probed by using femtosecond photoelectron spectroscopy (FPES). An ultrafast pump pulse excited the anion to the cluster analog of the charge-transfer-to-solvent state seen for I- in aqueous solution. Evolution of this state was monitored by time-resolved photoelectron spectroscopy using an ultrafast p...
متن کاملLuminescent quantum clusters of gold in transferrin family protein, lactoferrin exhibiting FRET.
We report the synthesis of highly luminescent, water soluble quantum clusters (QCs) of gold, which are stabilized by an iron binding transferrin family protein, lactoferrin (Lf). The synthesized AuQC@Lf clusters were characterized using UV-Visible spectroscopy, X-ray photoelectron spectroscopy (XPS), transmission electron microscopy (TEM), photoluminescence (PL), matrix assisted laser desorptio...
متن کاملInterdisciplinary FIAS Colloquium
The electronic structure of simple metal clusters is dominated by quantum size effects: the electronic density of states, which is continuous in the bulk, breaks up into a small number of highly degenerate states, the electron shells. Nevertheless even in the case of sodium, which is the best representative of a free electron metal, the residual electron-lattice interactions perturb this simple...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
عنوان ژورنال:
دوره شماره
صفحات -
تاریخ انتشار 2012