Abstract
AbstractElectrons produced in a gaseous, liquid, or solid solvent are called dissolved electrons or excess electrons. These excess electrons can exist as quasi‐free particles of high mobility in a delocalized state, comparable with electrons in a metal; or as bound particles of low mobility they can be localized within narrow limits—in a solvent cavity formed by repulsive forces. Localized electrons can also be solvated like normal ions. Characteristically, such solvated electrons exhibit broad and extensive absorption spectra in the visible to near infrared spectral range. The localized and delocalized states of the excess electrons can be in equilibrium with each other, such that a continuous transition of the properties between the limiting extremes can be observed. The reactions of the excess electrons with suitable acceptors (substrates) are initiated by an attachment‐detachment equilibrium A + e− ⇌ A− which is followed by further chemical rearrangements. The rate constants of these reactions vary by more than 15 powers of ten depending on the substrates and the solvents. Most of the properties of excess electrons in solution can be interpreted by means of a model which is easily understandable but quantitatively evaluated only with considerable effort.
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Dates
Type | When |
---|---|
Created | 21 years, 7 months ago (Dec. 31, 2003, 8:47 a.m.) |
Deposited | 1 year, 10 months ago (Oct. 19, 2023, 12:49 a.m.) |
Indexed | 1 year, 6 months ago (Feb. 14, 2024, 10:41 a.m.) |
Issued | 46 years, 8 months ago (Dec. 1, 1978) |
Published | 46 years, 8 months ago (Dec. 1, 1978) |
Published Online | 21 years, 8 months ago (Dec. 22, 2003) |
Published Print | 46 years, 8 months ago (Dec. 1, 1978) |
@article{Schindewolf_1978, title={Physical and Chemical Properties of Dissolved Electrons (Excess Electrons)}, volume={17}, ISSN={0570-0833}, url={http://dx.doi.org/10.1002/anie.197808871}, DOI={10.1002/anie.197808871}, number={12}, journal={Angewandte Chemie International Edition in English}, publisher={Wiley}, author={Schindewolf, Ulrich}, year={1978}, month=dec, pages={887–901} }