Reactions of TiO2 excess electron in nanocrystallite aqueous solutions studied in pulse and gamma-radiolytic systems

Radiation Physics and Chemistry

Volumn 67, Issue 1, 2003, Pages 25-39

  Gao, Ruomei ^a,c   Safrany, Agnes ^b   Rabani, Joseph ^a  

^a HEBREW UNIVERSITY OF JERUSALEM   (Israel)

^b Institute of Isotope and Surface Chemistry   (Hungary)

^c HEBEI UNIVERSITY OF SCIENCE AND TECHNOLOGY   (China)

Author keywords

Colloid; Nanocrystallites; Pulse radiolysis; Titanium dioxide

Indexed keywords

ETHANOL; GAMMA RAYS; HYDROGEN PEROXIDE; NANOSTRUCTURED MATERIALS; NITRATES; OXYGEN; PH EFFECTS; RADIOLYSIS; TITANIUM DIOXIDE; ADSORPTION; COLLOIDS; ELECTRONS; INORGANIC COMPOUNDS; PEROXIDES; RADIATION CHEMISTRY; REDUCTION; SOLUTIONS;

PULSE RADIOLYSIS; LARGE PARTICLE SYSTEM; LINEAR DEPENDENCY; MULTI-EXPONENTIAL DECAY; NANOCRYSTALLITE SIZE; NUMBER OF ELECTRONS; PHOTOCATALYTIC SYSTEMS; PULSE RADIOLYSIS TECHNIQUE; SMALL-PARTICLE SYSTEMS;

ELECTRONS; NANOCRYSTALLITES;

2 PROPANOL; COPPER ION; HYDROGEN PEROXIDE; NITRATE; NITRITE; OXYGEN; PERCHLORATE; SCAVENGER; TERT BUTYL ALCOHOL; TITANIUM DIOXIDE;

ADSORPTION; AQUEOUS SOLUTION; ARTICLE; CATALYSIS; ELECTRON TRANSPORT; GAMMA RADIATION; IONIZING RADIATION; PARTICLE SIZE; PH; PULSE RADIOLYSIS; RADIATION ABSORPTION;

EID: 0344088419     PISSN: 0969806X     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0969-806X(02)00478-4     Document Type: Article

References (25)

1. 2 particles. reactivity of free and trapped holes J. Phys. Chem. B. 101:1997;4265-4275.
2. 2 electrodes. J. Phys. Chem. B. 103:1999;2228-2231.
3. 2 colloids. J. Am. Chem. Soc. 107:1985;6446-6451.
4. 2 nanoparticles. J. Phys. Chem. 100:1996;18445-18449.
5. 2 colloids studied by pulse radiolysis. J. Phys. Chem. 88:1984;4278-4283.
6. 2-) to nitrogen dioxide. J. Am. Chem. Soc. 122:2000;3773-3774.
7. 2 solar cells. J. Phys. Chem. B. 104:2000;949-958.
8. 2 nanocrystallite aqueous solutions studied by pulse radiolysis. J. Radiat. Phys. Chem. 65:2002;599-605.
9. Goldstein, S., Czapski, G., 2000. Personal communication.
10. Graetzel M., Frank A.J. Interfacial electron-transfer reactions in colloidal semiconductor dispersions. Kinet. Anal. J. Phys. Chem. 86:1982;2964-2967.
11. 2(110) surface. molecular and dissociative channels J. Phys. Chem. B. 103:1999;5328-5337.
12. 2. J. Phys. Chem. 89:1985;4495.
13. 2 solar cells. J. Phys. Chem. B. 101:1997;2576-2582.
14. Moser J., Graetzel M. Light induced electron transfer in colloidal semiconductor dispersions. single vs. dielectronic reduction of acceptors by conduction-band electrons J. Am. Chem. Soc. 105:1983;6547-6555.
15. Nozik A.J., Memming R. Physical chemistry of semiconductor-liquid interfaces. J. Phys. Chem. 100:1996;13061-13078.
16. Petr, V., 1992-1993. In: Lide, D.R. (Ed.), Handbook of Chemistry and Physics. CRC Press, London.
17. Rothenberger G., Fitzmaurice D., Graetzel M. Optical electrochemistry. 3. Spectroscopy of conduction-band electrons in transparent metal-oxide semiconductor-films - optical determination of the flat-band potential of colloidal titanium-dioxide films. J. Phys. Chem. 96:1992;5983-5986.
18. 2 electrons in aqueous colloid solutions. J. Phys. Chem. B. 104:2000;5848-5853.
19. 2 solar cells. a study by intensity modulated photovoltage spectroscopy J. Phys. Chem. B. 101:1997;8141-8155.
20. 2 colloidal sols (particle sizes R(P)=1.0-13.4. Nm) - relevance to heterogeneous photocatalysis J. Phys. Chem. 99:1995;16655-16661.
21. Sillen, L.G., Martell, A.E., 1964. Stability Constants. The Chemical Society, London, 754pp.
22. Skinner D.E., Colombo D.P., Cavaleri J.J., Bowman R.M. Femtosecond investigation of electron trapping in semiconductor nanoclusters. J. Phys. Chem. 99:1995;7853-7856.
23. Stanbury D.M. Reduction potentials involving inorganic free radicals in aqueous solution. Adv. Inorg. Chem. 33:1989;69-138.
24. 3-. origin of non-single-exponential and particle size independent dynamics J. Phys. Chem. B. 104:2000;93-104.
25. Yan S.G., Prieskorn J.S., Kim Y.J., Hupp J.T. In search of the inverted region. Chromophore-based driving force dependence of interfacial electron transfer reactivity at the nanocrystalline titanium dioxide semiconductor/solution interface J. Phys. Chem. B. 104:2000;10871-10877.