Infrared study of ozone adsorption on CeO2

Article Abstract:

A study was conducted to analyze ozone adsorption on CeO2 pretreated under various conditions and characterized by low-temperature carbon monoxide adsorption using Fourier transform infrared spectroscopy. The oxidized samples were examined under four stages of dehydration. The Nicolet FT-IR 710 spectrometer was utilized to record the spectra. Results indicated the effectiveness of infrared spectroscopy in analyzing O3 adsorption and reactivity on ceria.

Usage, Ozone, Carbon monoxide, Fourier transform infrared spectroscopy

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IR study of the adsorption and isotopic scrambling of thiophene on CaO

Article Abstract:

An investigation of the thiophene, thiophene-2, 5-d2, and thiophene-d4 adsorption on CaO activated at 723-973 K is carried out at 170-300 K by means of IR spectroscopy and IR analysis of desorbed gas. The investigation revealed that the kinds of such sites could be distinguished which differs in the band positions of the resulting OH groups and in thermal stability of corresponding thiophenide anions.

Spectrum analysis, Spectroscopy, Thiophene

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Effect of chemical structure on the adsorption of amino acids with aliphatic and aromatic substitution groups: in situ STM study

Article Abstract:

An investigation on the adsorption of three amino acids, L-valine (Val), L-Leucine (Leu), and L-phenylalanine (Phe), bearing different substituted groups was carried out on Cu (111) electrode by in situ electrochemical scanning tunneling microscopy (ECSTM). The effect of aliphatic and aromatic groups on the adsorption registry of amino acids was compared.

Leucine, Scanning tunneling microscopy, Amino acids, Properties

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