Langmuir-Blodgett films deposition

Films spread at liquid-liquid interfaces or on liquids other than water are discussed followed by the important effects of charged monolayers on water. Finally, the most technologically important application of Langmuir films, the Langmuir-Blodgett film deposited on a solid substrate, is reviewed. 

S. Zhao and W. M. Reichert, Modeling of fluorescence emission from cyanine-dye-impregnated Langmuir-Blodgett films deposited on the surface of an optical fiber, Thin Solid Films 200, 363-373... 

Y-type Langmuir- Blodgett film deposition. (From ref. [23])... 

Figure 4.2. Langmuir-Blodgett film deposition Y-type) on a hydrophilic substrate (a) monolayer on the surface of water (b) first layer on withdrawal, (c) second layer second insertion), and d) substrate with three layers after...

Figure 5.14 Y-type Langmuir-Blodgett film deposition onto a hydrophilic substrate a. First upstroke, b. Second downstroke. c. After the third upstroke.

Fig. II-11. Different types of Langmuir-Blodgett films deposited on a solid surface of a moving slide a - X-type b - Y-type, and c - Z-type...

Figure 20. The angular dependence of (a) the reflectivity at Er = 9.8 keV for a Langmuir-Blodgett film deposited on a Au surface (see inset), (b) the Zn a fluorescence yield at 44°C and (c) the Zn Ka fluorescence yield at 105°C. The data are shown as circles, and the fits are solid Unes. Reprinted with permission from Bedzyk et al. (1989). Copyright 1989 by the American Physical Society.

In a recent review, it was reported that H2S was determined with crystals coated using the Langmuir-Blodgett film deposition method (44). Linear responses over the concentration range O-lOO ppm using uTA and ttbPcSiClz coatings. 

Figure 2. Langmuir-Blodgett film deposition (a) condensed monolayer on water surface (b) transfer of monolayer on upstroke of solid substrate (c) subsequent transfer on downstroke (d) Y-type multilayer film.

Cerro R.L. 2003. Moving contact lines and Langmuir-Blodgett film deposition, J. Colloid Interface Sci., 257, 276-283. 

Diaz M.E. and Cerro R.L. 2004. Transition from spht streamline to dip-coating during Langmuir-Blodgett film deposition, Thin Sohd Films, 460, 274—278. 

Sanassy P. and Evans S.D. 1993. Mixed alkanethiol monolayers on gold surfaces substrates for Langmuir-Blodgett film deposition, Langmuir, 9, 1024-1027. 

Figure 13.6 X-, Y- and Z-type deposition in Langmuir-Blodgett film deposition...

Figure 11.6 Various stages of Langmuir-Blodgett film deposition.

A number of assembly methods employ self-assembly of nanoparticles at the air-water interface. Monolayers (and subsequent multilayers) can be formed at the interface due particle interaction and transferred to a solid substrate by controlled dip-coating and vertical deposition methods similar to Langmuir-Blodgett film deposition [81-86]. Regular monolayers of polymer colloids can also be assembled via an electrohydrodynamic route, whereby electrophoretically deposited particles between two electrodes can be manipulated to cluster in the presence of an electric field. On application of an AC or DC field, contrary to electrostatic norms, the like-charged particles are observed to coalesce producing large close-packed 2D crystalline domains [87]. 

Solution deposition of polymers and amphiplules (e.g. polymer coatings such as Langmuir-Blodgett film deposition, IPNs, surfactants, SAMs)... 

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