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ORIGINAL PAPER Reply to: Comment by Emmanuel M. Gutman on: Historical development of theories of the electrochemical double layer[Damaskin BB, Petrii OA (2011) J Solid State Electrochem. 15:1317] Oleg A. Petrii & Boris B. Damaskin Received: 26 December 2011 / Accepted: 27 December 2011 / Published online: 17 January 2012 # Springer-Verlag 2012 Abstract This publication is a reply to the comment of Professor E.M. Gutman on paper Historical development of theories of the electrochemical double layer(J Solid State Electrochem 15:1317, 2011). In our review [1], an attempt was undertaken to make a historical survey of certain important problems of electro- chemical surface science. One of discussed problems concerned the thermodynamic treatment of surface phenom- ena on solid electrodes and, particularly, the analysis of the relationship between the interface tension and the reversible work of surface formation for the solid electrode/solution interface. The scopes of that review did not allow us to cover the mentioned field sufficiently broadly and cite all relevant publications. We merely outlined [1] the contribution made by A.Ya. Gokhshtein who had developed an original method for studying the solid electrode/solution boundary in the 1960s1970s, at the Institute of Electrochemistry in Moscow [2, 3]. He named it the estance method. This method makes it possible to find the dependence of the interface tension on the potential for a solid electrode under elastic strain. Gokhshtein put forward an interpretation of the results obtained by the estance method, which was based on the concept of the difference between the interface tension and the reversible work of surface formation for an isotropic solid. The analysis of equations he derived was beyond the scopes of our review [1]. In his monograph [4] (pp. 4043), A.N. Frumkin noted the considerable progress in finding the dependence of the interface tension of a solid electrode on the potential, which was achieved due to the use of the estance method. He mentioned Gokhshteins data mainly as regards the deter- mination of zero charge potentials (PZC) of solid electrodes by this method; the quantitative relationships were given with the reference to Gokhshtein. It was mentioned that the estance measurements with ac current of different frequen- cies provide the information on surface properties, which cannot be acquired by other ways; “…however, for the same reason, these measurements cannot be considered as an independent method of PZC determination. According to Frumkin, of fundamental importance is the difference ob- served between the estance zero and the PZC, which points to the PZC shift at the elastic strain of the solid electrode. For certain systems, e.g., Pb, Bi, Tl, and Cd, this shift is small (not higher than 0.03 V). However, for elastically strained platinum, the shift of the zero total charge potential reaches a very high value, which requires additional studies. This result together with the anomalously high slope of the estance vs. potential curve at zero estance, which was observed for Cd, failed to attract due attention so far. We believe that it is these observations that are the most inter- esting and important for both experimental investigations and the theoretical analysis. Frumkin [4] (pp. 4348) also surveyed critically the numerous known by then attempts to transfer the electrocapillary methods to solid electrodes. Nowadays, the growing interest in physics and chemistry of surfaces is associated with the appearance of new objects of nanoscience and nanotechnology (nanoparticles, nano- tubes, nanowires, thin films, graphene, oxide interfaces, interfaces in biological systems, etc.). As the result, debates were resumed about the Shuttleworth equation [518], the latter, according to [5], being arguably the second most O. A. Petrii (*) : B. B. Damaskin Moscow State University, Moscow, Russia e-mail: [email protected] J Solid State Electrochem (2012) 16:22852286 DOI 10.1007/s10008-012-1645-3

Reply to: “Comment by Emmanuel M. Gutman on: Historical development of theories of the electrochemical double layer” [Damaskin BB, Petrii OA (2011) J Solid State Electrochem. 15:1317]

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Page 1: Reply to: “Comment by Emmanuel M. Gutman on: Historical development of theories of the electrochemical double layer” [Damaskin BB, Petrii OA (2011) J Solid State Electrochem. 15:1317]

ORIGINAL PAPER

Reply to: “Comment by Emmanuel M. Gutman on: Historicaldevelopment of theories of the electrochemical doublelayer” [Damaskin BB, Petrii OA (2011) J SolidState Electrochem. 15:1317]

Oleg A. Petrii & Boris B. Damaskin

Received: 26 December 2011 /Accepted: 27 December 2011 /Published online: 17 January 2012# Springer-Verlag 2012

Abstract This publication is a reply to the comment ofProfessor E.M. Gutman on paper “Historical developmentof theories of the electrochemical double layer” (J SolidState Electrochem 15:1317, 2011).

In our review [1], an attempt was undertaken to make ahistorical survey of certain important problems of electro-chemical surface science. One of discussed problemsconcerned the thermodynamic treatment of surface phenom-ena on solid electrodes and, particularly, the analysis of therelationship between the interface tension and the reversiblework of surface formation for the solid electrode/solutioninterface.

The scopes of that review did not allow us to cover thementioned field sufficiently broadly and cite all relevantpublications. We merely outlined [1] the contribution madeby A.Ya. Gokhshtein who had developed an original methodfor studying the solid electrode/solution boundary in the1960s–1970s, at the Institute of Electrochemistry in Moscow[2, 3]. He named it the estance method. This method makes itpossible to find the dependence of the interface tension on thepotential for a solid electrode under elastic strain. Gokhshteinput forward an interpretation of the results obtained by theestance method, which was based on the concept of thedifference between the interface tension and the reversiblework of surface formation for an isotropic solid. Theanalysis of equations he derived was beyond the scopesof our review [1].

In his monograph [4] (pp. 40–43), A.N. Frumkin notedthe considerable progress in finding the dependence of theinterface tension of a solid electrode on the potential, whichwas achieved due to the use of the estance method. Hementioned Gokhshtein’s data mainly as regards the deter-mination of zero charge potentials (PZC) of solid electrodesby this method; the quantitative relationships were givenwith the reference to Gokhshtein. It was mentioned that theestance measurements with ac current of different frequen-cies provide the information on surface properties, whichcannot be acquired by other ways; “…however, for the samereason, these measurements cannot be considered as anindependent method of PZC determination”. According toFrumkin, of fundamental importance is the difference ob-served between the estance zero and the PZC, which pointsto the PZC shift at the elastic strain of the solid electrode.For certain systems, e.g., Pb, Bi, Tl, and Cd, this shift issmall (not higher than ∼0.03 V). However, for elasticallystrained platinum, the shift of the zero total charge potentialreaches a very high value, which requires additional studies.This result together with the anomalously high slope of theestance vs. potential curve at zero estance, which wasobserved for Cd, failed to attract due attention so far. Webelieve that it is these observations that are the most inter-esting and important for both experimental investigationsand the theoretical analysis. Frumkin [4] (pp. 43–48) alsosurveyed critically the numerous known by then attempts totransfer the electrocapillary methods to solid electrodes.

Nowadays, the growing interest in physics and chemistryof surfaces is associated with the appearance of new objectsof nanoscience and nanotechnology (nanoparticles, nano-tubes, nanowires, thin films, graphene, oxide interfaces,interfaces in biological systems, etc.). As the result, debateswere resumed about the Shuttleworth equation [5–18], thelatter, according to [5], being “arguably the second most

O. A. Petrii (*) : B. B. DamaskinMoscow State University,Moscow, Russiae-mail: [email protected]

J Solid State Electrochem (2012) 16:2285–2286DOI 10.1007/s10008-012-1645-3

Page 2: Reply to: “Comment by Emmanuel M. Gutman on: Historical development of theories of the electrochemical double layer” [Damaskin BB, Petrii OA (2011) J Solid State Electrochem. 15:1317]

important equation in surface physics”. These debates weredirectly related to the problem mentioned in [1]. ProfessorE.M. Gutman took active part in this discussion. It should bementioned that different opinions were voiced and no con-sensus was reached so far. Our ideas about certain argu-ments used in [5–18] will soon appear as a separatepublication.

References

1. Damaskin BB, Petrii OA (2011) Historical development of theoriesof the electrochemical double layer. J Solid State Electrochem15:1317–1334

2. Gokhshtein A (1970) Electrochim Acta 15:219

3. Gokhshtein AYa (1976) Poverkhnostnoe natyazhenie tverdykh tel iadsorbtsiya (Surface tension of solids and adsorption). Nauka,Moscow (in Russian)

4. Frumkin AN (1979) Potentsialy nulevogo zaryada (Potentials ofzero charge). Nauka, Moscow (in Russian)

5. Bottomley DJ, Makkonen L, Kolari K (2009) Surf Sci 603:976. Marichev VA (2009) Surf Sci 603:23457. Bottomley DJ, Makkonen L, Kolari K (2009) Surf Sci 603:23478. Eriksson JC, Rusanov AI (2009) Surf Sci 603:23489. Bottomley DJ, Makkonen L, Kolari K (2009) Surf Sci 603:2350

10. Ibach H (2009) Surf Sci 603:235211. Bottomley DJ, Makkonen L, Kolari K (2009) Surf Sci 603:235612. Marichev VA (2010) Surf Sci 604:45813. Eriksson JC, Rusanov AI (2010) Surf Sci 604:106214. Gutman EM (2011) Surf Sci 605:64415. Eriksson JC, Rusanov AI (2011) Surf Sci 605:64616. Gutman EM (2011) Surf Sci 605:187217. Gutman EM (2011) Surf Sci 605:192318. Marichev VA (2011) Surf Sci 605:2097

2286 J Solid State Electrochem (2012) 16:2285–2286