Absorption/electron transfer/absorption -an efficient pathway to hydrated electrons in laser flash photolysis

Angewandte Chemie (International Edition in English)

Volumn 36, Issue 23, 1997, Pages 2664-2666

  Zubarev, Valentin ^a   Goez, Martin ^a  

^a MARTIN LUTHER UNIVERSITY HALLE WITTENBERG   (Germany)

Author keywords

EPR spectroscopy; Flash photolysis; Photochemistry; Radical ions; Solvated electrons

Indexed keywords

EID: 0031573876     PISSN: 05700833     EISSN: None     Source Type: Journal    
DOI: 10.1002/anie.199726641     Document Type: Article

References (27)

1. J. W. T. Spinks, R. J. Woods, An Introduction to Radiation Chemistry, 2nd ed., Wiley, New York, 1976.
2. See for instance, a) R. A. Holroyd, J. Phys. Chem. 1982, 86, 3541-3547; b) V. Rozenshtein, G. Zilber, H. Levanon, ibid. 1994, 98, 4236 -4242; e) N. J. Turro, I.V. Khudyakov, H. van Willigen, J. Am. Chem. Soc. 1995, 777, 12273-12280; d) K. Nakagawa, A. Katsuki, S. Tero-Kubota, N. Tsuchiha-shi, T. Fujita, ibid. 1996, 118, 5778-5782.
3. See for instance, a) R. A. Holroyd, J. Phys. Chem. 1982, 86, 3541-3547; b) V. Rozenshtein, G. Zilber, H. Levanon, ibid. 1994, 98, 4236 -4242; e) N. J. Turro, I.V. Khudyakov, H. van Willigen, J. Am. Chem. Soc. 1995, 777, 12273-12280; d) K. Nakagawa, A. Katsuki, S. Tero-Kubota, N. Tsuchiha-shi, T. Fujita, ibid. 1996, 118, 5778-5782.
4. See for instance, a) R. A. Holroyd, J. Phys. Chem. 1982, 86, 3541-3547; b) V. Rozenshtein, G. Zilber, H. Levanon, ibid. 1994, 98, 4236 -4242; e) N. J. Turro, I.V. Khudyakov, H. van Willigen, J. Am. Chem. Soc. 1995, 777, 12273-12280; d) K. Nakagawa, A. Katsuki, S. Tero-Kubota, N. Tsuchiha-shi, T. Fujita, ibid. 1996, 118, 5778-5782.
5. See for instance, a) R. A. Holroyd, J. Phys. Chem. 1982, 86, 3541-3547; b) V. Rozenshtein, G. Zilber, H. Levanon, ibid. 1994, 98, 4236 -4242; e) N. J. Turro, I.V. Khudyakov, H. van Willigen, J. Am. Chem. Soc. 1995, 777, 12273-12280; d) K. Nakagawa, A. Katsuki, S. Tero-Kubota, N. Tsuchiha-shi, T. Fujita, ibid. 1996, 118, 5778-5782.
6. See for example: a) A. S. Jeevarajan, R. W. Fessenden, J. Am. Chem. Soc. 1992, 96, 1520-1523; b) N. Ishiwata, H. Murai, K. Kuwata, J. Phys. Chem. 1993, 97, 7129-7131; c)J. Säuberlich, D. Beckert, ibid. 1995, 99, 12520-12524; d) N. I. Avdievich, A. S. Jeevarajan, M. D. E. Forbes, ibid. 1996, 100, 5334-5342.
7. See for example: a) A. S. Jeevarajan, R. W. Fessenden, J. Am. Chem. Soc. 1992, 96, 1520-1523; b) N. Ishiwata, H. Murai, K. Kuwata, J. Phys. Chem. 1993, 97, 7129-7131; c)J. Säuberlich, D. Beckert, ibid. 1995, 99, 12520-12524; d) N. I. Avdievich, A. S. Jeevarajan, M. D. E. Forbes, ibid. 1996, 100, 5334-5342.
8. See for example: a) A. S. Jeevarajan, R. W. Fessenden, J. Am. Chem. Soc. 1992, 96, 1520-1523; b) N. Ishiwata, H. Murai, K. Kuwata, J. Phys. Chem. 1993, 97, 7129-7131; c)J. Säuberlich, D. Beckert, ibid. 1995, 99, 12520-12524; d) N. I. Avdievich, A. S. Jeevarajan, M. D. E. Forbes, ibid. 1996, 100, 5334-5342.
9. See for example: a) A. S. Jeevarajan, R. W. Fessenden, J. Am. Chem. Soc. 1992, 96, 1520-1523; b) N. Ishiwata, H. Murai, K. Kuwata, J. Phys. Chem. 1993, 97, 7129-7131; c)J. Säuberlich, D. Beckert, ibid. 1995, 99, 12520-12524; d) N. I. Avdievich, A. S. Jeevarajan, M. D. E. Forbes, ibid. 1996, 100, 5334-5342.
10. The measurements were carried out with the laser flash photolysis/FT-EPR equipment described in ref. [3c].
11. -1) was used, and the pH was adjusted with KOH.
12. a) D. Beckert, R. W. Fessenden, J. Phys. Chem. 1996, 100, 1622-1629;
13. b) D. Beckert, G. Schneider, Chem. Phys. 1987, 116, 421-428.
14. .- (3-5 μT), and their peak heights will thus be reduced proportionally.
15. K. Bobrowski, G. L. Hug, B. Marciniak, H. Kozubek, J. Phys. Chem. 1994, 95, 537-544.
16. K.-D. Asmus, M. Gobi, K.-O. Hillcr, S. Mahling, J. Mönig, J Chem. Soc. Perkin Trans. 2 1985, 641-646.
17. A. D. Trifunac, D. J. Nelson, J Am. Chem. Soc. 1978, 100, 5244-5246.
18. -1 for this reaction (H. Pal, D. K. Palit, T. Mulherjee, J. P. Mittal, Radiat. Phys. Chem. 1991, 37, 227 235). We explain the difference by the higher ionic strength in our measurements.
19. - by up to an order of magnitude [13].
20. R. Braams, Radial. Res. 1966, 27, 319-329.
21. a) M. Goez, Chem. Phys. Lett. 1990, 165, 11-14;
22. b) J. Magn. Reson. A 1996, 123, 161-167.
23. - (intensities lessthan 2% of those in the system AS/Met).
24. M. A. Fox, Chem. Rev. 1979, 79, 253-273, and references therein.
25. .- in the range 360-490 nm [6a] is virtually identical.
26. N. H. Furman, K. G. Stone, J. Am.. Chem. Soc. 1948, 70, 3055-3061.
27. Also related are two-photon processes in ketone photochemistry (absorption/fragmentation/absorption by the resulting radicals to give secondary fragmentation) under laser flash photolysis conditions; sec, for example, F. Jent, H. Paul, H. Fischer, Chem. Phys. Letters 1988, 146, 315-319.