Characterization of monolayers and LB films of octadecyltrialkoxysilanes Export

@article{citeulike:1580844, abstract = {The film-forming behaviour of octadecyltrimethoxysilane (TMS) and octadecyltriethoxysilane (TES) was investigated. At sufficiently low subphase temperatures (less than 25 [degree sign]C for TMS and less than 15 [degree sign]C for TES), the surface pressure isotherms show a temperature-dependent transition from a liquid-expanded to a liquid-condensed phase. On further compression, a second transition is observed to an even more condensed phase in which it is believed that the alkoxy headgroups assume a staggered arrangement so as to minimize the area per molecule. Monolayers of TMS deposited from this phase are uniform and highly ordered. Fourier transform infrared (FTIR) studies carried out over a range of incident angles suggest a vertical alignment of the aliphatic chains in the monolayer. Surface potential measurements on deposited monolayers indicate the possibility of a long-term chemical reaction between the alkoxy headgroup and the underlying aluminium substrate.}, author = {Taylor, D. M. and Gupta, S. K. and Dynarowicz, P.}, booktitle = {Seventh International Conference on Organized Molecular Films}, citeulike-article-id = {1580844}, citeulike-linkout-0 = {http://dx.doi.org/10.1016/S0040-6090(95)08276-X}, citeulike-linkout-1 = {http://www.sciencedirect.com/science/article/B6TW0-3VS93CJ-49/2/ab9cbe3fcce1463c766012ff5159f9b7}, day = {15}, doi = {10.1016/S0040-6090(95)08276-X}, journal = {Thin Solid Films}, keywords = {chemisorption, ftir, otes}, month = {September}, pages = {80--84}, posted-at = {2007-08-21 22:00:25}, priority = {2}, title = {Characterization of monolayers and LB films of octadecyltrialkoxysilanes}, url = {http://dx.doi.org/10.1016/S0040-6090(95)08276-X}, volume = {284-285}, year = {1996} }

TY - JOUR ID - citeulike:1580844 L3 - citeulike-article-id:1580844 N2 - The film-forming behaviour of octadecyltrimethoxysilane (TMS) and octadecyltriethoxysilane (TES) was investigated. At sufficiently low subphase temperatures (less than 25 [degree sign]C for TMS and less than 15 [degree sign]C for TES), the surface pressure isotherms show a temperature-dependent transition from a liquid-expanded to a liquid-condensed phase. On further compression, a second transition is observed to an even more condensed phase in which it is believed that the alkoxy headgroups assume a staggered arrangement so as to minimize the area per molecule. Monolayers of TMS deposited from this phase are uniform and highly ordered. Fourier transform infrared (FTIR) studies carried out over a range of incident angles suggest a vertical alignment of the aliphatic chains in the monolayer. Surface potential measurements on deposited monolayers indicate the possibility of a long-term chemical reaction between the alkoxy headgroup and the underlying aluminium substrate. JF - Thin Solid Films EP - 84 TI - Characterization of monolayers and LB films of octadecyltrialkoxysilanes VL - 284-285 T2 - Seventh International Conference on Organized Molecular Films SP - 80 KW - chemisorption KW - ftir KW - otes AU - Taylor, DM AU - Gupta, SK AU - Dynarowicz, P PY - 1996/09/15/ UR - http://dx.doi.org/10.1016/S0040-6090(95)08276-X ER -