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Radiation Chemistry and Photochemistry of Ionic Liquids

Book ·
OSTI ID:1004132
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As our understanding of ionic liquids and their tunable properties has grown, it is possible to see many opportunities for ionic liquids to contribute to the sustainable use of energy. The potential safety and environmental benefits of ionic liquids, as compared to conventional solvents, have attracted interest in their use as processing media for the nuclear fuel cycle. Therefore, an understanding of the interactions of ionizing radiation and photons with ionic liquids is strongly needed. However, the radiation chemistry of ionic liquids is still a relatively unexplored topic although there has been a significant increase in the number of researchers in the field recently. This article provides a brief introduction to ionic liquids and their interesting properties, and recent advances in the radiation chemistry and photochemistry of ionic liquids. In this article, we will mainly focus on excess electron dynamics and radical reaction dynamics. Because solvation dynamics processes in ionic liquids are much slower than in molecular solvents, one of the distinguishing characteristics is that pre-solvated electrons play an important role in ionic liquid radiolysis. It will be also shown that the reaction dynamics of radical ions is significantly different from that observed in molecular solvents because of the Coulombic screening effects and electrostatic interactions in ionic liquids.
Research Organization:
Brookhaven National Laboratory (BNL) Laser Electron Accelerator Facility (Leaf)
Sponsoring Organization:
DOE - Office Of Science
DOE Contract Number:
AC02-98CH10886
OSTI ID:
1004132
Report Number(s):
BNL--90463-2009-BC; KC0301010
Country of Publication:
United States
Language:
English

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Related Subjects

11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS
38 RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEAR CHEMISTRY
CTTS Absorption
Coulombic Interaction
Coulombic Screening
Debye-Smoluchowski
Dielectron
Dry Electron
ELECTRONS
ELECTROSTATICS
Excess Electron
Excited State
Heterogeneity
IONIZING RADIATIONS
Ionic Liquid
Kinetic Salt Effect
NUCLEAR FUELS
Nuclear Fuel Cycle
PHOTOCHEMISTRY
PHOTONS
PROCESSING
Photoionization
Pre-solvated Electron
Pulse Radiolysis
RADIATION CHEMISTRY
RADICALS
RADIOLYSIS
SAFETY
SOLVATION
SOLVENTS
Solvated Electron
Solvation Dynamics
Transient Absorption
laser electron accelerator facility