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Single potential alteration

Reaction products can also be identified by in situ infrared reflectance spectroscopy (Fourier transform infrared reflectance spectroscopy, FTIRS) used as single potential alteration infrared reflectance spectroscopy (SPAIRS). This method is suitable not only for obtaining information on adsorbed products (see below), but also for observing infrared (IR) absorption bands due to the products immediately after their formation in the vicinity of the electrode surface. It is thus easy to follow the production of CO2 versus the oxidation potential and to compare the behavior of different electrocatalysts. [Pg.76]

Corrigan DS, Weaver MJ. 1988. Mechanisms of formic acid, methanol, and carbon monoxide electrooxidation at platinum as examined by single potential alteration infrared spectroscopy. J Electroanal Chem 241 143-162. [Pg.200]

Figure 11.10 Single potential alteration infrared (SPAIR) spectra of the species coming from ethanol adsorption and oxidation on a Pt-Sn (90 10)/C electrode (0.1 M HCIO4 + O.IM C2H5OH, 25 °C). The reference spectrum was taken at 50 mV vs. RHE. Figure 11.10 Single potential alteration infrared (SPAIR) spectra of the species coming from ethanol adsorption and oxidation on a Pt-Sn (90 10)/C electrode (0.1 M HCIO4 + O.IM C2H5OH, 25 °C). The reference spectrum was taken at 50 mV vs. RHE.
In situ IR spectra were recorded using, either the Single Potential Alteration Iirfrared Reflectance Spectroscopy (SPAIRS), also called Linear Potential Sweep-Fourier Transform Infrared Reflectance Spectroscopy (LPS-FTIRS), or the Subtractively Normalized Interfacial Fourier Transform Infrared Reflectance Spectroscopy (SNIFTIRS). ... [Pg.400]

The same method is sometimes called PDIRS (for potential difference infrared spectoscopy) or SPAIRS (for single potential alteration infrared spectroscopy). [Pg.701]

LPSIRS Linear Potential Sweep Infra-Red Spectroscopy SPAIRS Single Potential Alteration Infra-Red Spectroscopy PDIRS Potential Difference Infrared Spectroscopy EMIRS Electrochemically Modulated Infra-Red Spectroscopy SERS Surface Enhanced Raman Scattering (Surface Enhanced Raman Spectroscopy)... [Pg.258]

SPAIR(S) Single potential alteration infrared (spectroscopy)... [Pg.319]

Ag-coated Ge hemicylindrical prism with a 0.6 s data acquisition time by exploiting SEIRAS. Spectra were collected during the acquisition of a cyclic voltammogram, recorded at a scan rate of 10mVs this experimental protocol was earlier termed SPAIRS (single potential alteration infrared spectroscopy) by Weaver and coworkers [121] (see Sect. 3.5.4.1.3 in the following text). [Pg.549]

Itmumerable mechanistic studies of alcohol oxidation on Pt-based electrocatalysts in acidic media have been published over the last few years. Methanol, " ethanol ° and ethylene glycol have been the most studied substrates and their oxidation paths on Pt or Pt alloys have been substantiated using a variety of in situ, extra situ and operando techniques as well as quantum mechanical calculations. The experimental techniques include reflection IR spectroscopy (IR), surface enhanced IR asbsorption spectroscopy (SEIRAS), " attemrated total reflection-IR absorption spectroscopy (ATR-IRAS), differential electrochemical mass spectroscopy (DEMS), single potential alteration IR spectroscopy... [Pg.245]

Surface-extended X-ray absorption fine structure (analysis) spectroscopy Sum frequency generation Second harmonic generation Surface ionization Secondary ion mass spectroscopy Subtractively normalized interfacial Fourier transform infrared spectroscopy Single potential alteration infrared (spectroscopy)... [Pg.285]

See other pages where Single potential alteration is mentioned: [Pg.136]    [Pg.314]    [Pg.317]    [Pg.323]    [Pg.924]    [Pg.575]    [Pg.551]    [Pg.1558]    [Pg.1073]    [Pg.39]    [Pg.62]   
See also in sourсe #XX -- [ Pg.136 ]



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