Self-assembled monolayers for liquid crystal alignment: simple preparation on glass using alkyltrialkoxysilanes |
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| Authors: | David M Walba Charles A Liberko Eva Korblova Matthew Farrow Thomas E Furtak Bruce C Chow Daniel K Schwartz Adam S Freeman Kenneth Douglas Scott D Williams Arthur F Klittnick Noel A Clark |
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| Institution: |
a Department of Chemistry and Biochemistry, 215 UCB, University of Colorado, Boulder, CO 80309-0215, USA
b Department of Physics, Colorado School of Mines, Golden, CO 80401, USA
c Department of Chemical Engineering, 424 UCB, University of Colorado, Boulder, CO 80309-0424, USA
d Department of Physics, 390 UCB, University of Colorado, Boulder |
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| Abstract: | A simple procedure for the preparation of octadecylsiloxane self-assembled monolayers (SAMs) on float glass substrates is described. The method utilizes commercial octadecyltriethoxysilane, OTE: n-C18H37Si(OCH2CH3)3, as the SAM precursor, with deposition accomplished in toluene solution using n-butylamine as catalyst. This synthetic approach obviates the use of the problematic trichlorosilanes typically required for the preparation of high quality SAMs, and is characterized by a wide 'process window,' utilizing off-the-shelf reagents without special handling. |
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