Corresponding Author

Dong-ping ZHAN(dpzhan@xmu.edu.cn)


Although the molecular structures are similar to each other, the redox property of Co(CN)63- at solid/liquid interface is not so good as Fe(CN)63-. In this paper, scanning electrochemical microscopy (SECM) was adopted to construct an electrochemical microsystem with a volume of fL~pL, in which a micropipette with micrometer-sized orifice was employed as the scanning tip. Due to the evaporation of water, the NaCl electrolyte is concentrated to form a microcrystal. During the crystallization, the redox species Co(CN)63- replaced the sites of NaCl65- unit due to their matching lattice parameters, i.e., the solid solution. Single Na3Co(CN)6/NaCl microcrystal was assembled in-situ between a pair of gold microelectrodes on a microchip to construct the solid/solid interface, which was found to have good voltammetric behavior.

Graphical Abstract


solid solution, solid/solid interface, electrochemical microsystem, scanning electrochemical microscopy

Publication Date


Online Available Date


Revised Date


Received Date



[1] Korvink J, Paul O. MEMS: A practical guide of design, analysis, and applications[M]. Heidelberg: Springer, 2010.
[2] Andersson H, ven den Berg A, eds. Lab-on-chips for cellomics: Micro and nanotechnologies for life science[M]. Dordrecht: Springer, 2004.
[3] Feringa B L, Browne W R, eds. Molecular switches[M]. Weinheim:Wiley-vch, 2001,Vol. 42.
[4] Balzani V, Credi A, Venturi M. Molecular devices and machines[M]. Weinheim, Germany: Wiley-Vch, 2004.
[5] Zhan D P, Yang D Z, Zhu Y L, et al. Fabrication and characterization of nanostructured ZnO thin film microdevices by scanning electrochemical cell microscopy[J]. Chemical Communications, 2012, 48(93): 11449-11451.
[6 ] Kulesza P J, Cox J A. Solid-state voltammetry—Analytical prospects[J]. Electroanalysis, 1998, 10(2): 73-80.
[7] Kulesza P J, Galus Z. Electrode processes and charge transport in bulk redox conducting inorganic solids[J]. Electrochimica Acta, 1997, 42(5): 867-872.
[8] Yang D Z, Han L H, Yang Y, et al. Solid-state redox solutions: Microfabrication and electrochemistry[J]. Angewandte Chemie International Edition, 2011, 50: 8679-82.
[9] Chen J, Xu L, Li W, et al. α-Fe2O3 nanotubes in gas sensor and lithium-ion battery applications[J]. Advanced Materials, 2005, 17(5): 582-586.
[10] Zhan D P, Yang D Z, Yin B S, et al. Electrochemical behaviors of single microcrystals of iron hexacyanides/NaCl solid solution[J]. Analytical chemistry, 2012, 84(21): 9276-9281.
[11] Fisher L R, Israelachvili J N. Experimental studies on the applicability of the Kelvin equation to highly curved concave menisci[J]. Journal of Colloid and Interface Science, 1981, 80(2): 528-541.
[12] Fisher L R, Israelachvili J N. Direct experimental verification of the Kelvin equation for capillary condensation[J]. Nature, 1979, 277: 548-549.
[13] Carter D J, Ogden M I, Rohl A L. Incorporation of cyano transition metal complexes in KCl crystals—Experimental and computational studies[J]. Australian Journal of Chemistry, 2003, 56(7): 675-678.
[14] Sushko P V, Shluger A L, Baetzold R C, et al. Embedded cluster calculations of metal complex impurity defects: Properties of the iron cyanide in NaCl[J]. Journal of Physics: Condensed Matter, 2000, 12(38): 8257.
[15] Itaya K, Uchida I, Neff V D. Electrochemistry of polynuclear transition metal cyanides: Prussian blue and its analogues[J]. Accounts of Chemical Research, 1986, 19(6): 162-168.
[16] Bard A J, Faulker L R. Electrochemical methods fundamentals and methods[M]. 2nd ed. New York: John Wiley & Sons, 2001.



To view the content in your browser, please download Adobe Reader or, alternately,
you may Download the file to your hard drive.

NOTE: The latest versions of Adobe Reader do not support viewing PDF files within Firefox on Mac OS and if you are using a modern (Intel) Mac, there is no official plugin for viewing PDF files within the browser window.