The Influence of the Electrolyte on the Electron Diffusion in Mesoporous Nanocrystalline TiO2 Full article
Journal |
Journal of Physics Condensed Matter
ISSN: 0953-8984 , E-ISSN: 1361-648X |
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Output data | Year: 2004, Volume: 16, Number: 15, Pages: 2625-2629 Pages count : 5 DOI: 10.1088/0953-8984/16/15/014 | ||||
Tags | Approximation theory; Diffusion; Electrolytes; Electron transport properties; Electron traps; Electron tunneling; Mathematical models; Mesoporous materials; Nanostructured materials; Probability; Reaction kinetics | ||||
Authors |
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Affiliations |
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Funding (1)
1 | Stiftelsen för strategisk forskning |
Abstract:
Experimental studies show that the rate of electron diffusion in mesoporous nanocrystalline TiO2 may depend on the electrolyte concentration. In the available literature, this effect is attributed to ambipolar diffusion. We present arguments and a kinetic model indicating that it might instead be connected with different arrangements of cations near the traps occupied by an electron before and after tunnelling. With a reasonable choice of the ratio of the kinetic parameters, in agreement with experiment, the model predicts that the electron diffusion coefficient at high electrolyte concentrations may be about five times higher than at low concentrations.
Cite:
Zhdanov V.P.
, Kasemo B.
The Influence of the Electrolyte on the Electron Diffusion in Mesoporous Nanocrystalline TiO2
Journal of Physics Condensed Matter. 2004. V.16. N15. P.2625-2629. DOI: 10.1088/0953-8984/16/15/014 WOS Scopus РИНЦ
The Influence of the Electrolyte on the Electron Diffusion in Mesoporous Nanocrystalline TiO2
Journal of Physics Condensed Matter. 2004. V.16. N15. P.2625-2629. DOI: 10.1088/0953-8984/16/15/014 WOS Scopus РИНЦ
Dates:
Submitted: | Feb 10, 2004 |
Published online: | Apr 2, 2004 |
Published print: | Apr 21, 2004 |
Identifiers:
Web of science | WOS:000221272500021 |
Scopus | 2-s2.0-2342644093 |
Elibrary | 13459439 |
Chemical Abstracts | 2004:409279 |
Chemical Abstracts (print) | 141:114548 |
OpenAlex | W2031515440 |