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普鲁士蓝类物质的相关知识咨询
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普鲁士蓝类物质的相关知识咨询 大家有人做过普鲁士蓝类物质修饰电极吗？我遇到一个问题： First, various reports have confirmed that only the diffusion of K+ in the MHCF lattice, and not in the solution, which can be rate determining when the solution concentration is 0.5 M. However, since the electroneutrality condition they have to diffuse together (electron and cation), their combined diffusion coefficient may be limited mostly by one of them. I want to know the diffusion coefficient be limited by which one and whether the transport process is limited by the diffusion of the cation in the solid matrix or of the electron hopping. The second is about the permeability of alkali cations of MHCF in relative electrolyte solution. Generally, the difference in the intensities for various cations may be either due to thermodynamical factor (the energy of the ion transfer between the solution and the matrix) or due to their transport inside the lattice. My question is whether it can be ascribed to one of them or both? 有人帮我解答这些难点吗？也可以讨论讨论 |
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2楼2007-08-27 15:17:55