Do trapped electrons tunnel to scavengers in irradiated alcohol glasses?

Kroh, J.; Romanowska, Elżbieta; Stradowski, Cz.

doi:10.1016/0009-2614(77)85050-1

Cited by 7 publications

(2 citation statements)

References 12 publications

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“…Thus the absorbance of Bz• is an unreliable measure of electron capture by BzCl. This may have contributed, along with the inability of this weak acceptor to react efficiently with deeply trapped electrons, to failures to observe growth of the absorbance of Bz• in pulse radiolysis experiments.9, 12,17 Furthermore, the present data show that reactions with strong acceptors in EtOH persist after 1 s, when the spectral changes are very slow and nearly complete. In addition in MeOH, where there is little spectral change over the entire time range (10"7 to 102 s), the reactions with strong acceptors are as rapid as those in EtOH, where large spectral shifts are occurring.…”

Section: Discussionmentioning

confidence: 62%

Tunneling reactions of trapped electrons with added electron acceptors in alcohol glasses at 77 K

Miller¹

1978

J. Phys. Chem.

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Section: Discussionmentioning

confidence: 62%

Tunneling reactions of trapped electrons with added electron acceptors in alcohol glasses at 77 K

Miller¹

1978

J. Phys. Chem.

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“…the above equation is reduced to (15) Equation 15 resembles eq 7. Similarly, one can derive an equation for [S2™], which resembles eq 8.…”

Section: Discussionmentioning

confidence: 99%

Electron capture in .gamma.-irradiated 2-methyltetrahydrofuran glasses containing two solutes at 77 K

Kira¹,

Imamura²

1978

J. Phys. Chem.

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Solute-anion yields in -irradiated 2-methyltetrahydrofuran glasses containing two solutes were measured at 77 K. For solute pairs of p-benzoquinone (BQ)-biphenyl, BQ-pyrene, 1,4-naphthoquinone (NQ)-biphenyl, and pyrene-biphenyl, the results are summarized as follows.(1) The yield of the anion of the left-hand solute (Si) in each pair is little dependent upon the concentration of the other solute (S2). ( 2) The logarithm of the S2-anion yield is approximately linear in Si concentration. The electron affinity of the first solute is larger than that of the second. The results are consistent with a scheme that an electron once trapped in a matrix tunnels to either SI or S2 to form solute anions and an electron also tunnels from S2" to SI. The yield of the anion of each solute in a BQ-NQ pair was found to depend on the concentration of the counterpart, in contrast with the results for the above solute pairs. The results for this pair can be explained in terms of a competitive capture scheme which does not include the tunneling from S2~to SI.

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Luminescence of ultraviolet-irradiated solid methane and solid argon doped with benzene or toluene

White¹,

Ryan²,

Morrison³

1981

Journal of Luminescence

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Do trapped electrons tunnel to scavengers in irradiated alcohol glasses?

Cited by 7 publications

References 12 publications

Tunneling reactions of trapped electrons with added electron acceptors in alcohol glasses at 77 K

Tunneling reactions of trapped electrons with added electron acceptors in alcohol glasses at 77 K

Electron capture in .gamma.-irradiated 2-methyltetrahydrofuran glasses containing two solutes at 77 K

Luminescence of ultraviolet-irradiated solid methane and solid argon doped with benzene or toluene

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