title: Low-Cost, Large-Area, Facile, and Rapid Fabrication of Aligned ZnO Nanowire Device Arrays.
abstract: Well aligned nanowires of ZnO have been made with an electrospinning technique using zinc acetate precursor solutions. Employment of two connected parallel collector plates with a separating gap of 4 cm resulted in a very high degree of nanowire alignment. By adjusting the process parameters, the deposition density of the wires could be controlled. Field effect transistors were prepared by depositing wires between two gold electrodes on top of a heavily doped Si substrate covered with a 300 nm oxide layer. These devices showed good FET characteristics and photosensitivity under UV-illumination. The method provides a fast and scalable fabrication route for functional nanowire arrays with a high degree of alignment and control over nanowire spacing.
authors.affiliation: MESA+ Institute for Nanotechnology, University of Twente , 7522 NB Enschede, The Netherlands.
authors.forename: Gerard
authors.initials: G
authors.lastname: Cadafalch Gazquez
authors.affiliation: Department of Materials Science and Nano Engineering, Rice University , Houston, Texas 77005-1827, United States.
authors.forename: Sidong
authors.initials: S
authors.lastname: Lei
authors.affiliation: Department of Materials Science and Nano Engineering, Rice University , Houston, Texas 77005-1827, United States.
authors.forename: Antony
authors.initials: A
authors.lastname: George
authors.affiliation: Department of Materials Science and Nano Engineering, Rice University , Houston, Texas 77005-1827, United States.
authors.forename: Hemtej
authors.initials: H
authors.lastname: Gullapalli
authors.affiliation: MESA+ Institute for Nanotechnology, University of Twente , 7522 NB Enschede, The Netherlands.
authors.forename: Bernard A
authors.initials: BA
authors.lastname: Boukamp
authors.affiliation: Department of Materials Science and Nano Engineering, Rice University , Houston, Texas 77005-1827, United States.
authors.forename: Pulickel M
authors.initials: PM
authors.lastname: Ajayan
authors.affiliation: MESA+ Institute for Nanotechnology, University of Twente , 7522 NB Enschede, The Netherlands.
authors.forename: Johan E
authors.initials: JE
authors.lastname: Ten Elshof
keywords: UV-detector; alignment; electrospinning; field effect transistor; nanowires