Photosensitization of TiO2 colloid by hypocrellin B in ethanol

Journal of Photochemistry and Photobiology A: Chemistry

Volumn 137, Issue 2-3, 2000, Pages 191-196

  Wu, Tao ^a   Xu, Shang Jie ^a   Shen, Jian Quan ^a   Chen, Shen ^a   Zhang, Man Hua ^a,b   Shen, Tao ^a  

^a INSTITUTE OF CHEMISTRY   (China)

^b INSTITUTE OF GEOLOGY AND GEOPHYSICS   (China)

Author keywords

EPR spectra; Excited singlet and triplet states; Hypocrellin B; Photoinduced electron transfer; Rate constant; TiO2 colloid

Indexed keywords

EID: 0013076481     PISSN: 10106030     EISSN: None     Source Type: Journal    
DOI: 10.1016/S1010-6030(00)00366-X     Document Type: Article

References (21)

1. 2, J. Am. Chem. Soc. 102 (1980) 5543-5549.
2. 2+, J. Am. Chem. Soc. 106 (1984) 7371-7380.
3. J. Bourdon, Spectral sensitization of chemical effects in solids, J. Phys. Chem. 69 (1965) 705-713.
4. H. Meier, Die Photochemie der Oranischen Farbstofe, Springer, Berlin, 1963.
5. E.K. Putzeiko, A.N. Terenin, Photosensitization of the internal photoeffect in zinc oxide and other semiconductors by adsorbed dyes, Zh. Fiz. Khim. 23 (1949) 676-688.
6. D. Duonghong, E. Borgarello, M. Gratzel, Dynamics of light-induced water cleavage in colloidal systems, J. Am. Chem. Soc. 103 (1981) 4685-4690.
7. Z. Diwu, J.W. Lown, Photosensitization with anticancer agents. 12. Perylenequinonoid pigments, a novel type of singlet oxygen sensitizers, J. Photochem. Photobiol. A 64 (1992) 273-287.
8. M.H. Zhang, J.Y. An, Zh.J. Ni, L.J. Jiang, Photooxidation of hypocrellin A, Kexue Tongbao 30 (1985) 75-79.
9. J.N. Ma, L.J. Jiang, M.H. Zhang, Q. Yu, Delayed fluorescence of hypocrellins and absorption spectra of isomers, Chin. Sci. Bull. 34 (1989) 1442-1448 (in English).
10. D.H. Dung, B. Enrico, M. Gratzel, Dynamics of light-induced water cleavage in colloidal systems, J. Am. Chem. Soc. 103 (1981) 4685-4690.
11. K.H. Zhao, L.J. Jiang, Conversion of hypocrellin A in alkaline and neutral media, Youji Huaxue 9 (1989) 252-254.
12. H.A. Benesi, J.H. Hildebrand, A spectrophotometric investigation of the interaction of iodine with aromatic hydrocarbons, J. Am. Chem. Soc. 71 (1949) 2703-2707.
13. J. Moan, A new method to detect porphyrin radicals in aqueous solutions, Acta Chem. Scand. B 34 (1980) 519-521.
14. P.V. Kamat, M.A. Fox, Photosensitization of titanium dioxide colloids by Erythrosin B in acetonitrile, Chem. Phys. Lett. 102 (1983) 379-384.
15. 2 system using anthracence-9-carboxylic acid as the sensitizer, J. Phys. Chem. 93 (1989) 859-864.
16. J. Moser, M. Gratzel, Photosensitized electron injection in colloidal semiconductor, J. Am. Chem. Soc. 106 (1984) 6557-6564.
17. M. Weng, M.H. Zhang, W.Q. Wang, T. Shen, Investigation of triplet states and radical anions produced by laser photoexcitation of hypocrellins, J. Chem. Soc., Faraday Trans. 93 (1997) 3491-3495.
18. E. Amonyal, R. Bensasson, E.J. Land, Triplet states of ubiquinone analogs studies by ultraviolet and electron nanosecond irradiation, Photochem. Photobiol. 20 (1974) 415-422.
19. H. Frei, D.J. Fitzmaurice, M. Gratzel, Surface chelation of semiconductors and interfacial electron transfer, Langmuir 6 (1990) 198-205.
20. B. Patrick, P.V Kamat, Photosensitization of large-bandgap semi-conductors. Charge injection from triplet excited thionine into ZnO colloids, J. Phys. Chem. 96 (1992) 1423-1428.
21. Y.Z. Hu, J.Y. An, L.J. Jiang, Studies of sulfonation of hypocrellin A and the photodynamic actions of the product, J. Photochem. Photobiol. B 17 (1993) 195-207.