Author:
L. Bapat N. Wadia College Department of Chemistry 411 001 Pune India

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Abstract  

Electrical conductivity and Seebeck voltage developed in thermally pretreated and -irradiated TiO2 was measured as a function of temperature. The conversion of n-type TiO2 into p-type and vice versa observed after irradiation was explained in terms of ionization of Ti3+ donors and lattice O= species, subsequent trapping of carriers in adsorbed oxygen and further formation of p-type inversion layer on the oxide surface during irradiation. The sign of the EMF of the electrochemical Ag/Ag+ concentration cell by the addition of heated and -irradiated TiO2 in one of the compartment of the cell was found to be opposite to that due to the addition of the corresponding heated but non-irradiated oxide sample.

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Journal of Radionalytical and Nuclear Chemistry
Language English
Size A4
Year of
Foundation
1968
Volumes
per Year
1
Issues
per Year
12
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 0236-5731 (Print)
ISSN 1588-2780 (Online)