Scanning flow cell
{{Short description|Electrochemical technique}}
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File:CAD model Scanning Flow Cell.jpg
Scanning Flow Cell (SFC) is an electrochemical technique, based on the principle of channel electrode. The electrolyte is continuously flowing over a substrate that is introduced externally on translation stage. In contrast to the reference and counter electrode that are integrated in the main channel or placed in side compartments connected with a salt bridge.{{cn|date=May 2023}}
SFC utilizes V-formed geometry with a small opening on the bottom (in range of 0.2-1mm diameter) used to establish the contact with sample. The convective flow is sustained also in non-contact mode of operation that allows easy exchange of the working electrode.{{Cite web |title=Scanning Flow Cell |url=https://www.mpie.de/3070469/SFC |access-date=2023-09-23 |website=www.mpie.de |language=en}}
Application
The SFC is employed for combinatorial and high-throughput electrochemical studies. Due to its non-homogenous flow profile distribution, it is currently used for comparative kinetic studies. SFC is predominantly used for coupling of electrochemical measurements with post analytical techniques like UV-Vis, ICP-MS, ICP-OES etc. This makes possible a direct correlation of electrochemical and spectrometric signal. This methodology was successfully applied for corrosion studies.{{Cite journal
|author1=Topalov, A.A. |author2=and Katsounaros, I. |author3=Michael, A. |author4=Cherevko, S. |author5=Meier, J.C. |author6=Klemm, S.O. |author7=Mayrhofer, K.J.J. | title = Dissolution of Platinum: Limits for the Deployment of Electrochemical Energy Conversion?
| journal = Angewandte Chemie International Edition
| issn = 1521-3773
| doi = 10.1002/anie.201207256
| year = 2012
| ref = AngChem
| pages = 12613–12615
| volume = 51
| issue = 50 | pmid=23124819 | pmc=3556695
| title = Coupling of a high throughput microelectrochemical cell with online multielemental trace analysis by ICP-MS
| journal = Electrochemistry Communications
| volume = 13
| pages = 1533–1535
| year = 2011
| issn = 1388-2481
| doi = 10.1016/j.elecom.2011.10.017
|author1=Klemm, S.O. |author2=Topalov, A.A. |author3=Laska, C.A. |author4=Mayrhofer, K.J.J. | issue = 12
| ref = eComm
}}