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Micromachines
Special Issues
Nanowires and Nanoprobes – Functionalized Arrays
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Nanowires and Nanoprobes – Functionalized Arrays

A special issue of Micromachines (ISSN 2072-666X). This special issue belongs to the section "D：Materials and Processing".

Deadline for manuscript submissions: closed (30 June 2020) | Viewed by 12862

Special Issue Editor

Prof. Dr. Reginald C. Farrow

E-Mail Website
Guest Editor
New Jersey Institute of Technology, University Heights Newark, Newark, NJ 07102, USA
Interests: nanoprobe; nanoprobe array; biophysics; nanofabication; nanobiology

Special Issue Information

Dear Colleagues,

Nanowires not only represent one of the most important enabling technologies in electronics but have also lead to sensors with molecular scale sensitivity. This includes nanowire transistors and functionalized nanowire probes. We are calling for papers that highlight advances in nanowire research that may lead functional systems with an emphasis on detector arrays. As examples, we hope to gather articles that relate progress in the fabrication and utilization of arrays of nanowire transistor sensors and vertically oriented functional nanoprobes. The range of materials spans from Si and Ge to BN, metal oxides and carbon nanotubes. In recent research directed self-assembly has been utilized for device fabrication and functionalization. These platforms have exciting potential as electrical, chemical, optical, magnetic, and mechanical sensors that can provide highly sensitive spatial and temporal information about the systems being studied. We would also like to highlight the growing biological applications. It is exciting that in the limits of even today’s nanofabrication technology there is the potential for sub-optical spatial resolution. In consideration of this potential, this Special Issue seeks to compile recent advances and review articles that capture the scope of this important area as it relates to both device architecture and fabrication, functionalization, and applications.

Prof. Dr. Reginald C. Farrow
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Micromachines is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • Nanoprobe
  • Nanoprobe Array
  • Nanodevice
  • Nanofabrication
  • Nanowire
  • Nanowire transistor
  • Nanobiosensing
  • Nano-biophotonics
  • Bioelectronics
  • Nano-electrochemical sensor
  • Nano-chemical sensor
  • Silicon nanowires
  • Boron nitride nanowires
  • Germanium nanowires
  • Carbon nanotubes
  • Metal-oxide nanowires
  • Directed self-assembly

Published Papers (3 papers)

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Research

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17 pages, 4219 KiB  
Article
Improved Electrophoretic Deposition of Vertical Single Wall Carbon Nanotubes with Nanoscopic Electrostatic Lenses
by Shanmugamurthy Lakshmanan, Alokik Kanwal, Sheng Liu, Anitha Patlolla, Zafar Iqbal, Somenath Mitra, Gordon A. Thomas, Jeffrey A. Fagan and Reginald C. Farrow
Micromachines 2020, 11(3), 324; https://doi.org/10.3390/mi11030324 - 20 Mar 2020
Cited by 4 | Viewed by 3047
Abstract
Under certain conditions, electrophoretic deposition (EPD) of single-wall carbon nanotubes (SWCNTs) onto metal at the base of nanoscale insulating windows can result in a single SWCNT per window, bonded at one end to the metal. During EPD charge, buildup on the insulator creates [...] Read more.
Under certain conditions, electrophoretic deposition (EPD) of single-wall carbon nanotubes (SWCNTs) onto metal at the base of nanoscale insulating windows can result in a single SWCNT per window, bonded at one end to the metal. During EPD charge, buildup on the insulator creates electrostatic lenses at the windows that control the trajectory of the SWCNTs. The aim is to develop a reproducible process for deposition of individual vertically oriented SWCNTs into each window to enable novel devices. The length of the SWCNTs is shown to be the most critical parameter in achieving results that could be used for devices. In particular, single nanotube deposition in windows by EPD was achieved with SWCNTs with lengths on the order of the window depth. By performing current vs voltage (IV) measurements against a platinum wire in a phosphate buffer and by modeling the data, the presence of the nanotube can be detected, the contact interface can be studied, and the nanotube’s viability for device applications can be determined. These results provide a basis for process integration of vertical SWCNTs using EPD. Full article
(This article belongs to the Special Issue Nanowires and Nanoprobes – Functionalized Arrays)
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13 pages, 3934 KiB  
Article
Fabriction of ZnO Nanorods with Strong UV Absorption and Different Hydrophobicity on Foamed Nickel under Different Hydrothermal Conditions
by Xin Li, Xifang Chen, Zao Yi, Zigang Zhou, Yongjian Tang and Yougen Yi
Micromachines 2019, 10(3), 164; https://doi.org/10.3390/mi10030164 - 27 Feb 2019
Cited by 46 | Viewed by 4380
Abstract
ZnO nanorods have been grown on the surface of foamed nickel by a two-step method. Firstly, a layer of ZnO seed is sputtered on the surface of the foamed nickel by magnetron sputtering, and then the hydrothermal method is used to grow ZnO [...] Read more.
ZnO nanorods have been grown on the surface of foamed nickel by a two-step method. Firstly, a layer of ZnO seed is sputtered on the surface of the foamed nickel by magnetron sputtering, and then the hydrothermal method is used to grow ZnO nanorods at different conditions (solution concentration, reaction time and reaction temperature). The results show that the morphology of ZnO nanorods is closely related to the solution concentration, reaction time, and reaction temperature. The energy band structure formed by the foamed nickel and ZnO seed layers and the growth mechanism of ZnO nanorods are discussed. The samples are characterized by Energy dispersive spectrometer (EDS), X-ray diffraction (XRD), and Raman spectroscopy. The absorption characteristics of samples to light are characterized by ultraviolet-to-visible (UV–VIS) absorption. The hydrophilicity of the samples is characterized by the static contact angle. By analyzing the performance characteristics of the samples at different conditions, we finally obtained the optimal growth parameters. At the optimal parameters, the morphology of the grown nanorods is regular, the ultraviolet band has strong absorption, and the surface of the samples forms a superhydrophobic surface. Full article
(This article belongs to the Special Issue Nanowires and Nanoprobes – Functionalized Arrays)
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Review

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20 pages, 4522 KiB  
Review
Recent Advances in Vertically Aligned Nanowires for Photonics Applications
by Sehui Chang, Gil Ju Lee and Young Min Song
Micromachines 2020, 11(8), 726; https://doi.org/10.3390/mi11080726 - 26 Jul 2020
Cited by 12 | Viewed by 4990
Abstract
Over the past few decades, nanowires have arisen as a centerpiece in various fields of application from electronics to photonics, and, recently, even in bio-devices. Vertically aligned nanowires are a particularly decent example of commercially manufacturable nanostructures with regard to its packing fraction [...] Read more.
Over the past few decades, nanowires have arisen as a centerpiece in various fields of application from electronics to photonics, and, recently, even in bio-devices. Vertically aligned nanowires are a particularly decent example of commercially manufacturable nanostructures with regard to its packing fraction and matured fabrication techniques, which is promising for mass-production and low fabrication cost. Here, we track recent advances in vertically aligned nanowires focused in the area of photonics applications. Begin with the core optical properties in nanowires, this review mainly highlights the photonics applications such as light-emitting diodes, lasers, spectral filters, structural coloration and artificial retina using vertically aligned nanowires with the essential fabrication methods based on top-down and bottom-up approaches. Finally, the remaining challenges will be briefly discussed to provide future directions. Full article
(This article belongs to the Special Issue Nanowires and Nanoprobes – Functionalized Arrays)
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