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Vapor-Phase Deposition of N3-Containing Monolayers on SiO2 and Si3N4 for Wafer Scale Biofunctionalization
Abstract:
The vapor-phase deposition of 11-azidoundecyltrimethoxysilanes at reduced pressure and elevated temperature allows the introduction of azido (N3) functionalized silicon wafer substrates. This process can be optimized by controlling the amount of surface adsorbed water and results in uniform and reproducible self-assembled monolayers (SAMs). The N3-SAM density as investigated via TOF-SIMS is comparable on thermal oxide and Si3N4 substrates. Furthermore, it is demonstrated that biomolecules can be successfully conjugated on both substrates using azide-alkyne ‘click’ reactions.
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31-36
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August 2018
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© 2018 Trans Tech Publications Ltd. All Rights Reserved
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