Abstract
An intermediate for immobilizing biofunctional molecules, 3-aminopropyltrimethoxysilane (APTMS) was anchored to ZnO nanorod arrays which had been grown by an aqueous solution method with microwave-assisted heating on a-plane sapphire substrates. X-ray photoelectron spectroscopy analysis revealed that the quantity of APTMS anchored on the ZnO nanorod arrays was more than that on a flat ZnO layer. Also, annealing of the APTMS anchored to ZnO nanorods at 500°C showed that the amino groups were disappeared while Si atoms remained after the annealing probably due to strong Si–O bonding.
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Schedule a callMore From: Journal of Vacuum Science & Technology B: Microelectronics and Nanometer Structures
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