Accession Number : AD0783084

Title :   Photoionization Spectrum of Solvated Electrons.

Descriptive Note : Technical rept.,

Corporate Author : NEW YORK UNIV N Y DEPT OF CHEMISTRY

Personal Author(s) : Aulich,H. ; Nemec,L. ; Delahay,P.

Report Date : JUL 1974

Pagination or Media Count : 33

Abstract : Photoionization cross sections are reported for solvated electrons at photon energies from 1.2 to 4.1 eV and the sodium species Na(-) (2.8 to 4.1 eV) in hexamethyl phosphoric triamide (HMPA). Cross sections are obtained by the recently developed method of energy distribution curve (EDC) superposition for photoelectron emission by solutions of sodium metal (5 to 96 millimole/liter) in HMPA. The EDC's, spectral response curves for quantum yield, and cross section curves are discussed, and photoionization mechanisms are suggested for the Na(-) species. Experimental methods are briefly outlined. This seems to be the first determination of cross sections for solvated electrons and the Na(-) species in a liquid solution of high ionic conductivity. (Author)

Descriptors :   *Photoionization, *Sodium, *Photoelectric emission, Cross sections, Solutions(Mixtures), Electrons, Electron energy, Anions, Quantum efficiency, Interfaces, Spectrum analysis, Experimental design, Liquids, Thermionic emission

Subject Categories : Radiation and Nuclear Chemistry

Distribution Statement : APPROVED FOR PUBLIC RELEASE