Langmuir and self-assembled monolayers

Current Opinion in Colloid and Interface Science

Volumn 4, Issue 1, 1999, Pages 46-51

  Knobler, Charles M ^a   Schwartz, Daniel K ^b  

^a UNIVERSITY OF CALIFORNIA   (United States)

^b Tulane University   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ALKANE DERIVATIVE; ALKYL GROUP; NANOPARTICLE; SILICON DERIVATIVE;

COLLOID; CROSS LINKING; FILM; FLOW KINETICS; HYDROGEN BOND; MASS SPECTROMETRY; PHYSICAL CHEMISTRY; REVIEW; SCANNING ELECTRON MICROSCOPY; SOLID STATE; SURFACE PROPERTY; VAPOR; X RAY DIFFRACTION;

EID: 0033058342     PISSN: 13590294     EISSN: None     Source Type: Journal    
DOI: 10.1016/S1359-0294(99)00002-3     Document Type: Article

References (40)

1. Tredgold RH: Order in Thin Organic Films. Cambridge: Cambridge University Press; 1994.
2. Knobler CM, Desai R: Phase transitions in monolayers. Annu Rev Phys Chem 1992, 43:207-236.
3. Schwartz DK: Langmuir-Blodgett film structure. Surf Sci Rep 1997, 27:241-334.
4. Poirier GE: Characterization of organosulfur molecular monolayers on Au(111) using scanning tunneling microscopy. Chem Rev 1997, 97:1117-1127.
5. •Confirmation of the existence of a monolayer phase with intermediate tilt, which strengthens the analogies between smectic liquid crystals and monolayers.
6. ••A comprehensive discussion on the relation between monolayer phases and rotator phases in alkanes that will be of importance in understanding chain interactions in thin films.
7. Kuzmenko I, Kaganer VM, Leiserowitz L: Packing of hydrocarbon chains and symmetry of condensed phases in Langmuir monolayers. Langmuir 1998, 14:3882-3888.
8. Durbin MK, Malik A, Richter AG, Huang KG, Dutta P: In-situ X-ray diffraction study of Langmuir-Blodgett deposition. Langmuir 1997, 13:6547-6549.
9. •Much of this paper is concerned with a theoretical analysis of the relation between the internal texture of a domain and its shape.
10. ••This very nice study demonstrates the utility of LB films in investigations of the origin of friction.
11. •As shown here, tilt can be inferred from lateral force microscopy images only if the dependence on relative scan direction is studied.
12. Meine K, Vollhardt D, Weidemann G: Atomic force microscopy study of the texture of condensed phase domains in 1-monostearoylglycerol monolayers. Langmuir 1998, 14:1815-1821.
13. Chi LF, Gleiche M, Fuchs H: Study of the long-range tilt orientation in fatty acid monolayers by dynamic scanning force microscopy. Langmuir 1998, 14:875-879.
14. Weidemann G, Brezesinski G, Vollhardt D, Möhwald H: Texture change separate from the transition between two tilted phases in Langmuir monolayers. J Phys Chem B 1998, 102:1224-1228.
15. Lautz C, Fischer TM, Weygand M, Lösche M, Howes PB, Kjaer K: Determination of alkyl chain tilt angles in Langmuir monolayers: a comparison of Brewster angle autocorrelation spectroscopy and X-ray diffraction. J Chem Phys 1998, 108:4640-4646.
16. Heath JR, Knobler CM, Leff DV: Pressure/temperature phase diagrams and superlattices of organically functionalized metal nanocrystal monolayers: The influence of particle size, size distribution, and surface passivant. J Phys Chem B 1997, 101:189-197.
17. •A demonstration that Langmuir monolayers can be employed to organize structures on a nanometer scale.
18. Lefebure S, Ménager C, Cabuil V, Assenheimer M, Gallet F: Langmuir monolayers of monodispersed magnetic nanoparticles coated with a surfactant. J Phys Chem B 1998, 102:2733-2738.
19. ••A beautiful experiment in which small changes in the density of a Langmuir monolayer are used to induce the metal-insulator transition in an array of nanoparticles.
20. Ruiz-Garcia J, Gámez-Corrales R, Ivlev BI: Formation of two-dimensional colloidal voids, soap froths and clusters. Phys Rev E 1998, 58:660-663.
21. Ghezzi F, Earnshaw JC: Formation of meso-structures in colloidal monolayers. J Phys Cond Matt 1997, 9:L517-L523.
22. •Torsion pendulum measurements of the complex shear modulus of a fatty acid Langmuir monolayer. The real and complex elastic constants are observed to go through an unexpected maximum with increasing surface pressure.
23. •BAM is used to observe surface-pressure driven flow through a channel of a fatty acid Langmuir monolayer. Newtonian behavior at low flow rates gives way to non-Newtonian response at higher rates as characterized by unusual triangular velocity profiles.
24. 2′ and S phases undergo flow-induced lattice reorientation.
25. ••In situ scanning tunneling microscopy observations of the solution-phase growth of alkanethiol SAMs confirm the two-stage growth mechanism observed for vapor phase growth.
26. •A continuation of the work in [21] using several chain lengths.
27. Poirier GE, Pylant ED: The self-assembly mechanism of alkanethiols on Au(111). Science 1996, 272:1145-1148.
28. •SFM observations of the two-stage growth process in solution. Direct proof that the striped phase consists of molecules lying down.
29. ••A definitive, multi-technique study of the growth kinetics and structures of alkanethiol SAMs vapor-deposited on Au(111).
30. •The rate constant of C(4×2) phase growth is determined, for vapor deposited alkanethiol SAMs, using X-ray diffraction, as a function of temperature and impingement rate. A quadratic dependence of the rate constant on impingement rate at low temperatures suggests a bimolecular adsorption mechanism.
31. ••Thermal desorption spectroscopy shows that thiolate radicals desorb from the striped phase of alkanethiol SAMs while disulfides desorb from the C(4×2) phase.
32. Trevor JL, Lykke KR, Pellin MJ, Hanley L: Two-laser mass spectroscopy of thiolate, disulfide, and sulfide self-assembled monolayers. Langmuir 1998, 14:1664-1673.
33. Fenter P, Eberhardt A, Eisenberger P: Self-assembly of n-alkyl thiols as disulfides on Au(111). Science 1994, 266:1216-1218.
34. ••Atomic force microscopy images of octadecyltrichlorosilane SAMs quenched at various stages of growth indicate that the system evolves from an islanding mechanism to a homogeneous growth mechanism with increasing temperature.
35. •The etching kinetics of alkyltrichlorosilane SAMs on silica in basic alcohol solution is shown to be consistent with a surface diffusion limited model.
36. •Thiol-based SAMs incorporating a peptide domain are shown to cross-link via hydrogen bonding.
37. Linford MR, Chidsey CED: Alkyl monolayers covalently bonded to silicon surfaces. J Am Chem Soc 1993, 115:12631-12632.
38. Linford MR, Fenter P, Eisenberger PM, Chidsey CED: Alkyl monolayers on silicon prepared from 1-alkenes and hydrogen-terminated silicon. J Am Chem Soc 1995, 117:3145-3155.
39. Sieval AB, Demirel AL, Nissink JWM, Linford MR, Van der Maas JH, De Jeu WH, Zuilhof H, Sudhölter EJR: Highly stable Si-C linked functionalized monolayers on the silicon (100) surface. Langmuir 1998, 14:1759-1768.
40. He J, Lu Z-H, Mitchell SA, Wayner DDM: Self-assembly of alkyl monolayers on Ge(111). J Am Chem Soc 1998, 120:2660-2661.