Molecular Nanofabrication Group, MESA+ Institute for Nanotechnology, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands.
ACS Nano. 2010 Dec 28;4(12):7660-6. doi: 10.1021/nn102463r. Epub 2010 Nov 17.
We report here the use of nanomolding in capillaries (NAMIC) coupled with dithiocarbamate (DTC) chemistry to fabricate sub-50 nm quasi-1D arrays of 3.5 nm core gold nanoparticles (Au NPs) over large areas. Owing to chemical immobilization via the DTC bond, the patterned NP systems are stable in water and organic solvents, thus allowing the surface modification of the patterned Au NP arrays through thiol chemistry and further orthogonal binding of proteins. The electrical properties of these patterned Au NP wires have also been studied. Our results show that NAMIC combined with surface chemistry is a simple but powerful tool to create metal NP arrays that can potentially be applied to fabricate nanoelectronic or biosensing devices.
我们在此报告了使用纳米压印模板技术（NAMIC）结合二硫代氨基甲酸盐（DTC）化学在大面积基底上制备小于 50nm 的准一维 3.5nm 金纳米颗粒（Au NPs）的近 1D 纳米阵列。由于通过 DTC 键的化学固定，图案化的 NP 系统在水和有机溶剂中稳定，从而允许通过硫醇化学对图案化的 Au NP 阵列进行表面修饰，并进一步进行蛋白质的正交结合。这些图案化的 Au NP 线的电学性质也已经被研究。我们的结果表明，NAMIC 结合表面化学是一种简单但强大的工具，可以用来制造金属纳米颗粒阵列，这些阵列有可能应用于制造纳米电子或生物传感设备。
