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Volumn 2, Issue 12, 2002, Pages 1409-1412

The Formation of an Irreversibly Adsorbed and Organized Micelle Layer at the Solid-Liquid Interface

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EID: 0345406814     PISSN: 15306984     EISSN: None     Source Type: Journal    
DOI: 10.1021/nl025715+     Document Type: Article
Times cited : (19)

References (25)
  • 13
    • 0348068807 scopus 로고    scopus 로고
    • note
    • Typically, structures are readily seen at surfactant concentrations above the critical micelle concentration (c.m.c.). A survey of the available literature indicates that most images are collected at > 2x cmc. If the bulk surfactant concentration is reduced below the cmc or exchanged with pure surfactant, the surface structures are seen to instantly disappear.
  • 16
    • 0346807889 scopus 로고    scopus 로고
    • note
    • Above a concentration of about 0.1% (w/w) in water, CTVB solutions show a rapid increase in viscosity with concentration and the onset of viscoelastic behavior. These behaviors are common for other worm-like and rod-like micellar systems based on CTA+ surfactants.
  • 17
    • 0348068805 scopus 로고    scopus 로고
    • note
    • The vinylbenzoate counterion binds strongly to the surface of the CTA+ micelle. Free radical polymerization of the vinylbenzoate is initiated with a water-soluble initiator at 60°C. The initiator is added at a ratio of 5 mol % of the surfactant and the overall concentration of surfactant was 1% (w/w).
  • 20
    • 0346807891 scopus 로고    scopus 로고
    • note
    • Force-distance data are collected ramping the surface towards and away from the tip through the application of a voltage ramp to the piezoelectric drive signal. Motion of the tip over the surface in the X-Y raster pattern needed for imaging is temporarily suspended. The surface and tip start out of contact. The surface is then driven towards the tip and deflections of the tip, as a result of interaction forces, are recorded. After contact is established, the voltage is reversed and the surface is retracted.
  • 23
    • 0348068804 scopus 로고    scopus 로고
    • note
    • Images were collected continuously over a 2-h period immediately after rinsing with pure water (Millipore Milli-Q grade). The images showed no change from that seen initially with the bulk aggregates present.
  • 24
    • 0030848621 scopus 로고    scopus 로고
    • Decher, G. Science 1997, 277, 1232.
    • (1997) Science , vol.277 , pp. 1232
    • Decher, G.1


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.