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41.
A model of electrode reaction complicated by slow adsorption of the reactant is developed for square-wave voltammetry with
inverse scan direction. The relationship between the dimensionless net peak current and the logarithm of dimensionless rate
constant of adsorption is a curve with a minimum and a maximum. For this reason the ratio of real net peak current and the
square-root of frequency is a non-linear function of the logarithm of frequency and exhibits either a maximum or a minimum.
The frequency of extreme serves for the estimation of the rate constant: log(k
ads
/D
1/2
) = log(k*
ads
)crit + 0.5 log f
crit
, where (k*
ads
)
crit
is a critical dimensionless rate constant of adsorption. Square-wave voltammetry is sensitive to the kinetics of adsorption
if k
ads
< 102 cm s−1
相似文献
42.
The process of resonant double charge exchange in low energy ion-ion collisions is considered. The effects of the Coulomb interaction of the nuclei are taken into account. Cross section calculations are performed both for completely and partially stripped projectile ions with 3? Z ? 10. 相似文献
43.
Dragana Jović Milivoj R. Belić Yuri S. Kivshar Cornelia Denz 《Optics Communications》2012,285(3):352-355
We investigated the influence of edges and corners on the Anderson localization of light in disordered two-dimensional photonic lattices that are optically induced in nonlinear saturable photorefractive media. A systematic quantitative study of gradual transition from corner to bulk Anderson localization in truncated two-dimensional photonic lattices was carried out. We analyzed numerically the localization at several corners and edges of the square and triangular photonic lattices and compared them with the localization in bulk medium. We found that, for strong disorder, corners and edges effectively suppress Anderson localization, as compared to the bulk, but to a varying degree. 相似文献
44.
Gulaboski Rubin Mirceski Valentin Lovric Milivoj 《Journal of Solid State Electrochemistry》2019,23(8):2493-2506
Journal of Solid State Electrochemistry - Redox mechanisms in which the redox transformation is coupled to other chemical reactions are of significant interest since they are regarded as relevant... 相似文献
45.
46.
Lovrić M 《Analytical and bioanalytical chemistry》2002,373(8):781-786
On spherical microelectrodes, cyclic staircase voltammograms of reversible redox reactions complicated by the reactant adsorption depend on lateral interactions in the monolayer. Attraction forces increase the separation between the main wave and the post-peak, while the repulsion prevents the resolution of responses of the surface and volume reactions. The theoretical relationships between the dimensionless responses and the dimensionless adsorption constant, the relative surface adsorption capacity, the Frumkin coefficient and the electrode sphericity are given. 相似文献
47.
48.
Milivoj Lovrić Šebojka Komorsky-Lovrić Fritz Scholz 《Journal of Solid State Electrochemistry》2008,12(1):41-45
A theory is provided for a reversible electro-oxidation of a neutral redox probe dissolved in room-temperature ionic liquid,
which is sandwiched between an electrode surface and an aqueous solution as a thin film. If the peak potentials in cyclic
voltammetry depend on the bulk concentration of electrolyte in water, the oxidation is most probably coupled to the transfer
of anions from water into ionic liquid; but if the peak potentials are independent of the electrolyte concentration, the transfers
of anions from water into ionic liquid and cations from ionic liquid into water are equally probable.
Dedicated to Professor Dr. Yakov I. Tur’yan on the occasion of his 85th birthday. 相似文献
49.
Cheng Jia-Xi Xu Si-Liu Belić Milivoj R. Li Hong Zhao Yuan Deng Wen-Wu Sun Yun-Zhou 《Nonlinear dynamics》2019,95(3):2325-2332
Nonlinear Dynamics - We investigate the formation and propagation of multipole solitons (MSs) in a cold atomic gas with a parity-time (PT) symmetric potential. A $$wedge $$-type three-level... 相似文献
50.
Anjan Biswas Yakup Yıldırım Emrullah Yaşar Qin Zhou Ali Saleh Alshomrani Seithuti P. Moshokoa Milivoj Belic 《Optical and Quantum Electronics》2018,50(3):149
This paper reveals bright, dark and singular soliton solutions to the perturbed Gerdjikov–Ivanov equation by the aid of extended Kudryashov’s method. The nonlinear terms appear with full nonlinearity in order to give a generalized flavor to the model. As a byproduct of this scheme, plane waves and singular periodic solutions fall out and these solutions are listed as well. 相似文献