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Towards Industrial Scale Fabrication of Nanowire-Based Devices



Babak Nikoobakht


The key requirements for mass fabrication of nanodevices are directed positioning and alignment of nanoparticles (e.g., nanowires) with known registries on a large scale. Here, these issues are addressed in a high throughput and scalable approach for production of nanodevices containing either a single nanowire (NW) or group of horizontal NWs. The central element in this architecture is selective and confined growth of horizontal NWs on a surface using mobile gold nanodroplets. This bottom-up architecture produces NWs with diameters less than 20 nm and its perfect consistency with optical lithography is demonstrated. To illustrate the capabilities of this technique, large numbers of electrically addressable zinc oxide NWs and their top-gated field-effect transistors (FET) are prepared in two and three photolithographic steps. This fabrication method opens the path to a new generation of non-conventional optoelectronic nanodevices, nanosensors and impacts the nanoelectronic industry.
Chemistry of Materials


Nikoobakht, B. (2007), Towards Industrial Scale Fabrication of Nanowire-Based Devices, Chemistry of Materials (Accessed May 29, 2024)


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Created April 11, 2007, Updated February 19, 2017