کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
9594860 | 1507977 | 2005 | 8 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Self-affine roughness influence on redox reaction charge admittance
دانلود مقاله + سفارش ترجمه
دانلود مقاله ISI انگلیسی
رایگان برای ایرانیان
کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
شیمی
شیمی تئوریک و عملی
پیش نمایش صفحه اول مقاله

چکیده انگلیسی
In this work we investigate the influence of self-affine electrode roughness on the admittance of redox reactions during facile charge transfer kinetics. The self-affine roughness is characterized by the rms roughness amplitude w, the correlation length ξ, and the roughness exponent H (0 < H < 1). Our calculations allow analytic expressions to be derived for the admittance as a function of the characteristic self-affine roughness parameters. Furthermore, it is shown that the magnitude of the reaction admittance is strongly influenced by the local roughness exponent H or the fine roughness details at short roughness wavelengths, while the influence of the lateral correlation length ξ or the long wavelength roughness ratio w/ξ is of secondary importance. In addition, the dynamic roughness evolution can strongly influence the reaction admittance and it should taken carefully into consideration.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Surface Science - Volume 582, Issues 1â3, 10 May 2005, Pages 151-158
Journal: Surface Science - Volume 582, Issues 1â3, 10 May 2005, Pages 151-158
نویسندگان
George Palasantzas,