Pitfalls of the phase-shift method for determining adsorption isotherms

被引：5
|
作者：
Horvat-Radosevic, V. [1 ]
Kvastek, K. [1 ]
机构：
[1] Rudjer Boskovic Inst, Ctr Marine & Environm Res, Zagreb 10001, Croatia
来源：
ELECTROCHEMISTRY COMMUNICATIONS | 2009年 / 11卷 / 07期
关键词：
Phase-shift method; EIS; Adsorption impedance; Adsorption isotherms; POTENTIALLY DEPOSITED HYDROGEN; H-2 EVOLUTION REACTION; ELECTROLYTE INTERFACES; DETERMINING LANGMUIR; QUALITATIVE-ANALYSIS; ENERGY;
D O I：
10.1016/j.elecom.2009.05.032
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Pitfalls of the phase-shift method for determining adsorption isotherms in the case of two-step Faradaic reactions involving adsorption at transition metals (alloys)/aqueous solution interfaces are discussed following the recent publication of the paper [J.Y. Chun, J.H. Chun, Electrochem. Commun. 11 (2009) 744]. It is shown how the pitfalls of the method are generated by improper analysis of impedance data resulting in at least disputable values characterizing adsorption isotherms (equilibrium constant, K, standard free energy, Delta G(0)(0), and interaction parameter between adsorbed species, g). (c) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码：1460 / 1463
页数：4
相关论文
共 50 条
12345