How long is the long-range hydrophobic attraction?

被引:156
作者
Wood, J [1 ]
Sharma, R [1 ]
机构
[1] EASTMAN KODAK CO,DIV ENGN & MAT SCI,ROCHESTER,NY 14650
关键词
D O I
10.1021/la00012a035
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
We present direct surface force measurements performed using smooth and robust hydrophobic monolayers deposited on mica. From atomic force microscopy measurements we show that these surfaces are composed of large polymerized domains surrounded by a less densely packed, probably gaseous, phase. They exhibit electrical neutrality and stability on exposure to water and aqueous electrolyte solution and are, we suggest, relatively defect free. Despite these characteristics, these novel surfaces do not show the typical long-range hydrophobic interaction that is often associated with good quality hydrophobic films. However, we believe that the quality of these surfaces provides the dearest characterization of the interaction between macroscopic hydrophobic surfaces to date and that the novel observation of spontaneous cavitation occurring between these hydrocarbon films is further proof of the suitability of these surfaces in such an investigation.
引用
收藏
页码:4797 / 4802
页数:6
相关论文
共 61 条
  • [1] LONG-RANGE ATTRACTION BETWEEN HYDROPHOBIC SURFACES
    ATTARD, P
    [J]. JOURNAL OF PHYSICAL CHEMISTRY, 1989, 93 (17) : 6441 - 6444
  • [2] BUCKLING OF POLYMERIZED MONOMOLECULAR FILMS
    BOURDIEU, L
    DAILLANT, J
    CHATENAY, D
    BRASLAU, A
    COLSON, D
    [J]. PHYSICAL REVIEW LETTERS, 1994, 72 (10) : 1502 - 1505
  • [3] CALISTRIYEH M, 1993, B AM PHYS SOC, V38, P713
  • [4] MOLECULAR MECHANISMS ASSOCIATED WITH ADHESION AND CONTACT-ANGLE HYSTERESIS OF MONOLAYER SURFACES
    CHEN, YL
    HELM, CA
    ISRAELACHVILI, JN
    [J]. JOURNAL OF PHYSICAL CHEMISTRY, 1991, 95 (26) : 10736 - 10747
  • [5] DOMAIN-STRUCTURES IN LANGMUIR-BLODGETT-FILMS INVESTIGATED BY ATOMIC FORCE MICROSCOPY
    CHI, LF
    ANDERS, M
    FUCHS, H
    JOHNSTON, RR
    RINGSDORF, H
    [J]. SCIENCE, 1993, 259 (5092) : 213 - 216
  • [6] FORCES BETWEEN FLUOROCARBON SURFACTANT MONOLAYERS - SALT EFFECTS ON THE HYDROPHOBIC INTERACTION
    CHRISTENSON, HK
    CLAESSON, PM
    BERG, J
    HERDER, PC
    [J]. JOURNAL OF PHYSICAL CHEMISTRY, 1989, 93 (04) : 1472 - 1478
  • [7] HYDROPHOBIC ATTRACTION - A REEXAMINATION OF ELECTROLYTE EFFECTS
    CHRISTENSON, HK
    CLAESSON, PM
    PARKER, JL
    [J]. JOURNAL OF PHYSICAL CHEMISTRY, 1992, 96 (16) : 6725 - 6728
  • [8] EFFECT OF DIVALENT ELECTROLYTE ON THE HYDROPHOBIC ATTRACTION
    CHRISTENSON, HK
    FANG, JF
    NINHAM, BW
    PARKER, JL
    [J]. JOURNAL OF PHYSICAL CHEMISTRY, 1990, 94 (21) : 8004 - 8006
  • [9] INTERACTIONS BETWEEN HYDROPHOBIC SURFACES - DEPENDENCE ON TEMPERATURE AND ALKYL CHAIN-LENGTH - COMMENT
    CHRISTENSON, HK
    PARKER, JL
    YAMINSKY, VV
    [J]. LANGMUIR, 1992, 8 (08) : 2080 - 2080
  • [10] CAVITATION AND THE INTERACTION BETWEEN MACROSCOPIC HYDROPHOBIC SURFACES
    CHRISTENSON, HK
    CLAESSON, PM
    [J]. SCIENCE, 1988, 239 (4838) : 390 - 392