Abstract
A new technique for esterification of an acid monolayer at the gas-water interface has been introduced. This novel process termed phase controlled surface reaction (PCSR), utilizes Gibbs' surface energies to ensure reaction in an environment that would normally inhibit it. Because surface energies are important in numerous environments, PCSR should work with many condensation reactions. The addition of a benzyl alcohol subphase to water leads to a concentration of excess benzyl alcohol at all water interfaces including the gas-water interface. This surface enriched benzyl alcohol zone reacts with a polymerized monolayer present at the gas-water interface. FT-IR characterization of the deposited reacted monolayer shows that up to 70% of the monolayer molecules have been reacted. Further experiments indicate that the degree of conversion is dependent on the pH of the water subphase. Preliminary studies of electron lithographic patterning of the deposited product indicates that it is more electron sensitive than the original monolayer. PCSR may thus be a method by which chemical changes can be made in an existing monolayer, without altering its structure.
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References
P. Vincett and G. Roberts, Thin Solid Films 68 (1980) 135.
M. Breton, J. Macromol. Sci.-Rev. Macromol. Chem. C21(1) (1981) 61.
Lord Rayleigh, Phil. Mag. 48 (1890) 337.
A. Pockels, Nature 43 (1891) 437.
I. Langmuir, J. Amer. Chem. Soc. 39 (1917) 1848.
Idem Trans. Faraday Soc. 15 (1920) 62.
K. Blodgett and I. Langmuir, Phys. Rev. 51 (1937) 964.
I. Langmuir, Proc. Roy. Soc. London 170A (1939) 15.
K. Blodgett, J. Amer. Chem. Soc. 57 (1935) 1007.
N. Adam, “The Physics and Chemistry of Surfaces” 3rd edn (Oxford University Press, Oxford, 1941).
W. Harkins, “The Physical Chemistry of Surface Films” (Reinhold, New York, 1952).
J. Davies and E. Rideal, “Interfacial Phenomena” (Academic Press, New York, 1961).
G. Gaines Jr, in “MTP International Review of Science” Vol. 7 (Butterworths, London, 1972).
P. Fromherz, Rev. Sci. Instrum. 46 (10) (1975) 1380.
G. Gaines Jr, “Insoluble Monolayers at Liquid Gas Interfaces” (Wiley-Interscience, New York, 1966).
H. Friedlander, US Patent 3031 721 (1962) [Chem. Abst. 57 (1962) 14008].
J. Schwitz and E. Lawton, Science 113 (1951) 718.
S. Maron and J. Lando, “Fundamentals of Physical Chemistry” (MacMillan, New York, 1974) p. 750.
G. Fariss, J. Lando and S. Rickert, submitted for publication.
R. Morrison and R. Boyd, “Organic Chemistry” 3rd edn (Allyn and Bacon, Boston, 1977).
J. Gibbs, “The Collected Works of J. Willard Gibbs, PhD, LLD” Vol. 1 (Green and Co., New York, 1928).
A. Banerjie, PhD dissertation, Case Western Reserve University, Cleveland, Ohio (1977).
D. Day and J. Lando, Macromolecules 13 (1980) 1478.
J. Bikerman, Trans. Faraday Soc. 36 (1940) 412.
D. Day and H. Ringsdorf, Makromol. Chem. 180 (1979) 1059.
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Fariss, G., Lando, J.B. & Rickert, S.E. Phase controlled surface reaction — reaction of a monolayer at the gas-water interface. J Mater Sci 18, 3323–3330 (1983). https://doi.org/10.1007/BF00544157
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DOI: https://doi.org/10.1007/BF00544157