Picosecond Pulse Radiolysis Study on the Distance Dependent Reaction of the Solvated Electron with Organic Molecules in Ethylene Glycol

2012 ◽  
Vol 116 (49) ◽  
pp. 11989-11996 ◽  
Author(s):  
Abdel Karim El Omar ◽  
Uli Schmidhammer ◽  
Pascal Pernot ◽  
Shigeo Murata ◽  
Mehran Mostafavi
Keyword(s):  
Ethylene Glycol ◽  
Pulse Radiolysis ◽  
Organic Molecules ◽  
Picosecond Pulse ◽  
Solvated Electron

Picosecond Pulse Radiolysis Studies. I. The Solvated Electron in Aqueous and Alcohol Solutions

1970 ◽  
Vol 53 (11) ◽  
pp. 4201-4210 ◽  
Author(s):  
M. J. Bronskill ◽  
R. K. Wolff ◽  
J. W. Hunt
Keyword(s):  
Pulse Radiolysis ◽  
Picosecond Pulse ◽  
Solvated Electron

Picosecond pulse radiolysis. IV. Yield of the solvated electron at 30 picoseconds

1973 ◽  
Vol 77 (11) ◽  
pp. 1350-1355 ◽  
Author(s):  
R. K. Wolff ◽  
M. J. Bronskill ◽  
J. E. Aldrich ◽  
J. W. Hunt
Keyword(s):  
Pulse Radiolysis ◽  
Picosecond Pulse ◽  
Solvated Electron

scholarly journals Picosecond 266-nm Multiphoton Laser Photolysis Studies on the Solvated Electron Formation Process in Water and Liquid Alcohols

1987 ◽  
Vol 7 (2-4) ◽  
pp. 119-128 ◽  
Author(s):  
Hiroshi Miyasaka ◽  
Hiroshi Masuhara ◽  
Noboru Mataga
Keyword(s):  
Excitation Energy ◽  
Formation Process ◽  
Pulse Radiolysis ◽  
Picosecond Pulse ◽  
Laser Photolysis ◽  
Formation Time ◽  
Pure Liquid ◽  
Solvated Electron ◽  
Two Photon ◽  
Photon Ionization

A picosecond 266-nm multiphoton laser photolysis method was applied to the investigation of the solvation process of electrons in water and in several pure liquid alcohols. The formation time of the solvated electron obtained by this method in each liquid was revealed to be shorter than that obtained by picosecond pulse radiolysis and by the picosecond two-photon ionization of the solute molecules. By comparing the present results with those obtained by other methods, the effects of the excitation energy, as well as the solvation sphere of the relatively large parent cation on the solvated electron formation process, were elucidated.

Picosecond pulse radiolysis studies on geminate ion recombination in saturated hydrocarbon

1983 ◽  
Vol 21 (1-2) ◽  
pp. 45-52 ◽  
Author(s):  
S. Tagawa ◽  
M. Washio ◽  
H. Kobayashi ◽  
Y. Katsumura ◽  
Y. Tabata
Keyword(s):  
Pulse Radiolysis ◽  
Saturated Hydrocarbon ◽  
Picosecond Pulse ◽  
Ion Recombination

Étude par radiolyse pulsée des propriétés spectrales et cinétiques de l'électron solvaté dans l'hexane-1,2,6-triol liquide

1995 ◽  
Vol 73 (1) ◽  
pp. 117-122 ◽  
Author(s):  
J.-P. Jay-Gerin ◽  
J. Chevrel ◽  
C. Ferradini ◽  
E. Ray ◽  
M.H. Klapper ◽  
...  
Keyword(s):  
Absorption Spectrum ◽  
Optical Absorption ◽  
Linear Accelerator ◽  
Pulse Radiolysis ◽  
Order Reaction ◽  
Kinetic Properties ◽  
Solvated Electron ◽  
Solvent Viscosity ◽  
First Order ◽  
Short Times

The optical absorption spectrum of the solvated electron (es−) in liquid hexane-1,2,6-triol has been measured by nanosecond pulse radiolysis at different temperatures (10–40 °C) to investigate the influence of high solvent viscosity values on the spectral and kinetic properties of es−. The wavelength at the absorption maximum, λmax, is equal to 560 nm, and its variation with temperature, if it exists in the considered zone, is less than the experimental error. At 20 °C and 150 ns, the value of the product [Formula: see text] of the yield of es− and the molar extinction coefficient at λmax is 2.55 × 104 molecule/(M cm 100 eV). In the context of this work, we have compared results obtained with both a linear accelerator and a Febetron, a comparison that has allowed us to evaluate the influence of variations of the dose per pulse and to extend measurements to short times. In the case of experiments performed with the linear accelerator, es− is found to decay at all wavelengths by a first-order reaction (or by a pseudo-first-order reaction) with an activation energy of ~45 kJ mol−1. By contrast, kinetic curves obtained with the Febetron seem to show a competition in which a second-order law is followed at short times. The fact that the shape of the spectra seems to vary as a function of the dose per pulse indicates the possible intervention of another species whose formation is favored by the use of high radiation doses. In other respects, the kinetics of electron solvation does not seem to be controlled by the viscosity of the solvent in our experimental conditions. Keywords: liquid hexane-1,2,6-triol, pulse radiolysis, linear accelerator and Febetron, solvated electron, optical absorption spectrum, kinetic properties, solvent viscosity, dose and temperature effects.

Sign in / Sign up

Export Citation Format

Share Document