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Volumn 111, Issue 4, 1999, Pages 1636-1649

Electron transfer reactions on Cs/MoS2(0002) with chlorine, oxygen, and water: High resolution x-ray photoelectron spectroscopy and theoretical study

Author keywords

[No Author keywords available]

Indexed keywords


EID: 0009011335     PISSN: 00219606     EISSN: None     Source Type: Journal    
DOI: 10.1063/1.479423     Document Type: Article
Times cited : (10)

References (69)
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    • The Higher Alcohol Synthesis over Promoted Methanol Catalysts
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    • Intercalation in Layered Materials
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    • (1986) NATO ASI Series B , pp. 148
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    • 85034504152 scopus 로고
    • Scienta, Uppsala, or alternatively one can obtain a general overview of the spectrometer from High Resolution XPS of Organic Polymers The Scienta ESCA300 Database, edited by G. Beamson and D. Briggs Wiley, Chichester
    • SCIENTA ESCA-300 User's Manual, Scienta, Uppsala, or alternatively one can obtain a general overview of the spectrometer from High Resolution XPS of Organic Polymers The Scienta ESCA300 Database, edited by G. Beamson and D. Briggs (Wiley, Chichester, 1992), pp. 3-8.
    • (1992) SCIENTA ESCA-300 User's Manual , pp. 3-8
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    • note
    • 0)≤0.018.
  • 34
    • 85034492472 scopus 로고    scopus 로고
    • note
    • Cs=0.04 are not clearly understood at the present time. Although it is noteworthy that the larger Cs 3d binding energy observed at the initial Cs coverage is consistent with stronger surface dipole expected in the absence of the depolarization effect at initial coverages, a careful examination of both initial- and final-state contributions on the observed binding energy at the initial Cs coverage is necessary. On the other hand, it is unlikely that the observed binding energy of the Cs 3d core level at the initial Cs coverage results from the presence of impurities such as ambient gases of oxygen, CO or water below the detection level since the binding energy shift of Cs would be toward lower binding energy side; see Refs. 35, 36.
  • 36
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  • 52
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    • The simple charge transfer model would fail to explain the binding energy shifts toward lower binding energy observed in the oxidation of alkali metals including Cs in this study. A more accurate account of the experimental core level shifts must include the final state effect, and the negative binding energy shifts can be explained by the point charge model proposed by P. H. Citrin and T. D. Thomas, J. Chem. Phys. 57, 4446 (1972).
    • (1972) J. Chem. Phys. , vol.57 , pp. 4446
    • Citrin, P.H.1    Thomas, T.D.2
  • 65
    • 85034504156 scopus 로고    scopus 로고
    • note
    • 2(0002) surface and the change in the work function (Δφ= -1.75eV) after the Cs adsorption, which were both experimentally measured using the low kinetic energy cutoff of our photoelectron spectrum.
  • 67
    • 85034513382 scopus 로고    scopus 로고
    • - was replaced with the value of -3.07 eV (or 295.8 kJ/mol) the bond strength between Cs-O, which was obtained from Ref. 63
    • - was replaced with the value of -3.07 eV (or 295.8 kJ/mol) the bond strength between Cs-O, which was obtained from Ref. 63.
  • 68
    • 0040590640 scopus 로고
    • 2 and the electron affinity for OH are obtained from Ref. 65. For a crude estimate of the electrostatic energy forming CsOH, Cs and OH are approximated as point charges separated by 3.29 Å, which is the weighted mean distance between Cs and O, reported in the x-ray diffraction study of CsOH by H. Jacobs et al. in Z. Naturforsch. 1981, 36b, 270. Then, the electrostatic energy of -4.38 eV was further corrected for the repulsive contribution, which was assumed to be 10%, to yield the value of -3.94 eV.
    • (1981) Z. Naturforsch. , vol.36 B , pp. 270
    • Jacobs, H.1
  • 69
    • 85034494709 scopus 로고    scopus 로고
    • The calculated values are obtained after correcting the readjustment of the Fermi level
    • The calculated values are obtained after correcting the readjustment of the Fermi level.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.