Oriented adsorption at well-defined electrode surfaces studied by Auger, LEED, and EELS spectroscopy

Nikola Batina, Douglas G. Frank, John Y. Gui, Bruce E. Kahn, Chiu-Hsun Lin, Frank Lu, James W. McCargar, Ghaleb N. Salaita, Donald A. Stern, Donald C. Zapien, Arthur T. Hubbard

Research output: Contribution to journalArticle

34 Citations (Scopus)

Abstract

Quantitation by use of Auger spectroscopy and cyclic voltammetry of molecular layers adsorbed at Pt(111) and Pt(100) surfaces from aqueous electrolytes is examined in this work for the following compounds: hydroquinone (HQ); phenol (PL); catechol (CT); 3,4-dihydroxyphenylacetic acid (DOPAC); L-3,4-dihydroxyphenylalanine (DOPA); l-tyrosine (TYR); l-phenylalanine (PHE); nicotinic acid (NA); 2,5-dihydroxy-4-methyl-benzyl mercaptan (DMBM); thiophenol (TP); benzylmercaptan (BM); 3-thiophene carboxylic acid; and 2,5,2′,5′-tetrahydroxybiphenyl (THBP). Two independent methods of measurement of packing density based upon Auger spectroscopy, and one based upon cyclic voltammetry are employed and the results compared. Voltammetric oxidation/reduction of adsorbed layers formed from these compounds at Pt surfaces in aqueous electrolyte is found to be essentially the same whether carried out before or after lengthy evacuation. Therefore, the results of surface spectroscopy in UHV are directly applicable to the liquid-solid chemistry and electrochemistry of these adsorbed compounds. Packing densities measured by means of two Auger spectroscopic methods were in good agreement with each other and with the voltammetric measurements.

Original languageEnglish
Pages (from-to)1031-1044
Number of pages14
JournalElectrochimica Acta
Volume34
Issue number8
DOIs
Publication statusPublished - 1989 Jan 1

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Electron energy loss spectroscopy
Spectroscopy
Adsorption
Electrolytes
Electrodes
Cyclic voltammetry
3,4-Dihydroxyphenylacetic Acid
Acids
Niacin
Levodopa
Electrochemistry
Thiophene
Phenol
Phenylalanine
Carboxylic acids
Sulfhydryl Compounds
Phenols
Tyrosine
Liquids

All Science Journal Classification (ASJC) codes

  • Chemical Engineering(all)
  • Electrochemistry

Cite this

Batina, Nikola ; Frank, Douglas G. ; Gui, John Y. ; Kahn, Bruce E. ; Lin, Chiu-Hsun ; Lu, Frank ; McCargar, James W. ; Salaita, Ghaleb N. ; Stern, Donald A. ; Zapien, Donald C. ; Hubbard, Arthur T. / Oriented adsorption at well-defined electrode surfaces studied by Auger, LEED, and EELS spectroscopy. In: Electrochimica Acta. 1989 ; Vol. 34, No. 8. pp. 1031-1044.
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abstract = "Quantitation by use of Auger spectroscopy and cyclic voltammetry of molecular layers adsorbed at Pt(111) and Pt(100) surfaces from aqueous electrolytes is examined in this work for the following compounds: hydroquinone (HQ); phenol (PL); catechol (CT); 3,4-dihydroxyphenylacetic acid (DOPAC); L-3,4-dihydroxyphenylalanine (DOPA); l-tyrosine (TYR); l-phenylalanine (PHE); nicotinic acid (NA); 2,5-dihydroxy-4-methyl-benzyl mercaptan (DMBM); thiophenol (TP); benzylmercaptan (BM); 3-thiophene carboxylic acid; and 2,5,2′,5′-tetrahydroxybiphenyl (THBP). Two independent methods of measurement of packing density based upon Auger spectroscopy, and one based upon cyclic voltammetry are employed and the results compared. Voltammetric oxidation/reduction of adsorbed layers formed from these compounds at Pt surfaces in aqueous electrolyte is found to be essentially the same whether carried out before or after lengthy evacuation. Therefore, the results of surface spectroscopy in UHV are directly applicable to the liquid-solid chemistry and electrochemistry of these adsorbed compounds. Packing densities measured by means of two Auger spectroscopic methods were in good agreement with each other and with the voltammetric measurements.",
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Batina, N, Frank, DG, Gui, JY, Kahn, BE, Lin, C-H, Lu, F, McCargar, JW, Salaita, GN, Stern, DA, Zapien, DC & Hubbard, AT 1989, 'Oriented adsorption at well-defined electrode surfaces studied by Auger, LEED, and EELS spectroscopy', Electrochimica Acta, vol. 34, no. 8, pp. 1031-1044. https://doi.org/10.1016/0013-4686(89)87136-1

Oriented adsorption at well-defined electrode surfaces studied by Auger, LEED, and EELS spectroscopy. / Batina, Nikola; Frank, Douglas G.; Gui, John Y.; Kahn, Bruce E.; Lin, Chiu-Hsun; Lu, Frank; McCargar, James W.; Salaita, Ghaleb N.; Stern, Donald A.; Zapien, Donald C.; Hubbard, Arthur T.

In: Electrochimica Acta, Vol. 34, No. 8, 01.01.1989, p. 1031-1044.

Research output: Contribution to journalArticle

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T1 - Oriented adsorption at well-defined electrode surfaces studied by Auger, LEED, and EELS spectroscopy

AU - Batina, Nikola

AU - Frank, Douglas G.

AU - Gui, John Y.

AU - Kahn, Bruce E.

AU - Lin, Chiu-Hsun

AU - Lu, Frank

AU - McCargar, James W.

AU - Salaita, Ghaleb N.

AU - Stern, Donald A.

AU - Zapien, Donald C.

AU - Hubbard, Arthur T.

PY - 1989/1/1

Y1 - 1989/1/1

N2 - Quantitation by use of Auger spectroscopy and cyclic voltammetry of molecular layers adsorbed at Pt(111) and Pt(100) surfaces from aqueous electrolytes is examined in this work for the following compounds: hydroquinone (HQ); phenol (PL); catechol (CT); 3,4-dihydroxyphenylacetic acid (DOPAC); L-3,4-dihydroxyphenylalanine (DOPA); l-tyrosine (TYR); l-phenylalanine (PHE); nicotinic acid (NA); 2,5-dihydroxy-4-methyl-benzyl mercaptan (DMBM); thiophenol (TP); benzylmercaptan (BM); 3-thiophene carboxylic acid; and 2,5,2′,5′-tetrahydroxybiphenyl (THBP). Two independent methods of measurement of packing density based upon Auger spectroscopy, and one based upon cyclic voltammetry are employed and the results compared. Voltammetric oxidation/reduction of adsorbed layers formed from these compounds at Pt surfaces in aqueous electrolyte is found to be essentially the same whether carried out before or after lengthy evacuation. Therefore, the results of surface spectroscopy in UHV are directly applicable to the liquid-solid chemistry and electrochemistry of these adsorbed compounds. Packing densities measured by means of two Auger spectroscopic methods were in good agreement with each other and with the voltammetric measurements.

AB - Quantitation by use of Auger spectroscopy and cyclic voltammetry of molecular layers adsorbed at Pt(111) and Pt(100) surfaces from aqueous electrolytes is examined in this work for the following compounds: hydroquinone (HQ); phenol (PL); catechol (CT); 3,4-dihydroxyphenylacetic acid (DOPAC); L-3,4-dihydroxyphenylalanine (DOPA); l-tyrosine (TYR); l-phenylalanine (PHE); nicotinic acid (NA); 2,5-dihydroxy-4-methyl-benzyl mercaptan (DMBM); thiophenol (TP); benzylmercaptan (BM); 3-thiophene carboxylic acid; and 2,5,2′,5′-tetrahydroxybiphenyl (THBP). Two independent methods of measurement of packing density based upon Auger spectroscopy, and one based upon cyclic voltammetry are employed and the results compared. Voltammetric oxidation/reduction of adsorbed layers formed from these compounds at Pt surfaces in aqueous electrolyte is found to be essentially the same whether carried out before or after lengthy evacuation. Therefore, the results of surface spectroscopy in UHV are directly applicable to the liquid-solid chemistry and electrochemistry of these adsorbed compounds. Packing densities measured by means of two Auger spectroscopic methods were in good agreement with each other and with the voltammetric measurements.

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