Yangping Wen

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Questions related from Yangping Wen

Tafel plots for charge transfer coefficient?

Hello, everyone! We studied nanomaterials for electrochemical simultaneous sensing of three metabolites, reviewer asked us to provide Tafel plots with operating parameters. In literature, Tafel...

08 August 2019 9,977 2 View

Nernst equation for irreversible electrode reaction processes (single oxidation or reduction voltammetric peak)

According to the Nernst equation: E =E0 +RT/naF ln[O]/[R] −2.303mRT/naF pH, where m is the number of protons participating in the electrochemical reaction, which could be determined from slopes of...

07 July 2017 10,049 12 View

The values of the apparent diffusion coefficient (D) or catalytic rate constant (k) of analytes at different modified electrodes

Generally, the apparent diffusion coefficient (D) can be evaluated by Cottrell equation I = nFAD1/2c0 π-1/2 t-1/2, Where c0 is the catalyst concentration (M), t is the time elapsed (s) and A is...

06 June 2017 3,739 8 View

The advantage of glassy carbon electrode in comparsion with Au electrode

For electrochemical chemo/biosensors, glassy carbon electrode was mainly used as a substrate electrode, while Au electrode was less-frequently used as a substrate electrode.What is a advantage of...

05 May 2017 5,190 5 View

Proton number for theoretical calculation result is not in accordance with that for experimental results, why is the number of proton different?

According to Nernst equation, i obtained the m/n ( proton number/electron number) ratio of1:2, According to Bard equation, electron number is 2, proton number is 1. According to theoretical...

01 January 1970 4,861 6 View