Electrochemical Determination of Diffusion Anisotropy in Molecularly-Structured Materials

Theory is presented for the case of two-dimensional diffusion anisotropy in axiosymmetric systems, which, advantageously and indirectly, affords a unified theory of diffusive mass transport at planar, microdisk (or nanodisk) and cylindrical electrodes in isotropic media. A strategy is proposed to de...

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Bibliographic Details
Published in:Journal of physical chemistry. C 2009-05, Vol.113 (20), p.8901-8910
Main Authors: Evans, Louise A, Thomasson, Matthew J, Kelly, Stephen M, Wadhawan, Jay
Format: Article
Language:English
Subjects:
C: Surfaces, Interfaces, Catalysis
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Summary:Theory is presented for the case of two-dimensional diffusion anisotropy in axiosymmetric systems, which, advantageously and indirectly, affords a unified theory of diffusive mass transport at planar, microdisk (or nanodisk) and cylindrical electrodes in isotropic media. A strategy is proposed to determine the extent of diffusion anisotropy in experimental data; proof-of-concept is considered via a lamellar lyotropic liquid crystalline system.
ISSN:1932-7447
1932-7455
DOI:10.1021/jp806322c