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Volumn 15, Issue 4, 1999, Pages 1400-1409

A Study of Nonionic Surfactants at the Air-Water Interface by Sum-Frequency Spectroscopy and Ellipsometry

Author keywords

[No Author keywords available]

Indexed keywords

ADSORPTION ISOTHERMS; CONFORMATIONS; DENSITY (SPECIFIC GRAVITY); ELLIPSOMETRY; MOLECULAR STRUCTURE; MONOLAYERS; PHASE INTERFACES; POLYETHERS; SPECTROSCOPIC ANALYSIS;

EID: 0033076154     PISSN: 07437463     EISSN: None     Source Type: Journal    
DOI: 10.1021/la9809675     Document Type: Article
Times cited : (103)

References (53)
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    • (1989) Nature , vol.337 , pp. 519
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    • Shen, Y. R. Nature-1989, 337, 519. Eisenthal, K. B. Chem. Rev. 1996, 96, 1343.
    • (1996) Chem. Rev. , vol.96 , pp. 1343
    • Eisenthal, K.B.1
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    • Academic: San Diego, CA
    • Butcher, P. N.; Cotter, D. The Elements of Nonlinear Optics; CUP: Cambridge, U.K., 1990. Boyd, R. M: Nonlinear Optics; Academic: San Diego, CA, 1992.
    • (1992) Nonlinear Optics
    • Boyd, R.M.1
  • 28
    • 2242491477 scopus 로고
    • Croxton, C. A., Ed.; Wiley: New York; Chapter 11
    • Beaglehole, D. In Fluid Interfacial Phenomena; Croxton, C. A., Ed.; Wiley: New York, 1986; Chapter 11.
    • (1986) Fluid Interfacial Phenomena
    • Beaglehole, D.1
  • 39
    • 85087251876 scopus 로고    scopus 로고
    • note
    • 0, of the family of surfactants studied here.
  • 42
    • 0001068368 scopus 로고
    • 2 groups, but this example nevertheless illustrates how the orientation of functional groups is important in determining the line strength and how randomization of orientations reduces the line strength, since cos θ and cos 3θ vanish in an unweighted average over all θ .
    • (1992) Appl. Spectrosec. , vol.46 , pp. 1051
    • Hirose, C.1    Akamatsu, N.2    Domen, K.3
  • 44
    • 0026203287 scopus 로고
    • Measurements on mixed monolayers of normal and deuterated alkanethiols on gold and silver (Bain, C. D.; Davies, P. B.; Ong, T. H.; Ward, R. N.; Brown, M. A. Langmuir 1991, 7, 1563) showed a linear relationship between the fitted line strength and the mole fraction of the normal alkanethiol, which validates the model used to fit SF spectra.
    • (1991) Langmuir , vol.7 , pp. 1563
    • Bain, C.D.1    Davies, P.B.2    Ong, T.H.3    Ward, R.N.4    Brown, M.A.5
  • 47
    • 85087252610 scopus 로고    scopus 로고
    • note
    • 5 fell sufficiently close to 62 Ä2 for inclusion in this comparison.
  • 48
    • 2242422416 scopus 로고    scopus 로고
    • note
    • 29 but is unlikely to be a significant factor here for two reasons. First, conformational disorder tends to reduce the anisotropy in the polarizability of the hydrocarbon chains. The headgroup is believed to be polymer-like and hence optically isotropic. Second, the anisotropy of the layer disappears for chains tilted at the magic angle of 54°. Assuming that the monolayers have a density close to that of a liquid hydrocarbon, the average chain tilts fall within about 15° of the magic angle.
  • 53
    • 85087252607 scopus 로고    scopus 로고
    • note
    • c from eq 5 (see ref 7).


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.