Fabrication and characterizations of Al nanoparticles doped ZnO nanostructures-based integrated electrochemical biosensor
Document Type
Article
Publication Date
1-1-2020
Abstract
The benefits of the electrical-based biosensor include cheap production and fast response time of detecting diseases. An interdigitated electrode (IDE) is fabricated using silver (Ag) as a metal contact that is deposited on aliminium (Al) nanoparticles doped with both zinc oxide (ZnO) and Silicon (Si) forming AZO/Si nanostructures by vacuum coater in a thermal evaporator. The electrical properties are studied as a function of frequency and voltage using I-V characteristics. Sol-gel method under annealing temperature, 500 degrees C is utilized to generate Al nanoparticles doped ZnO nanostructures. UV-vis spectrophotometer, Atomic Force Microscopy (AFM), Scanning Electron Microscopy (SEM) and X-ray diffractometer (XRD) are used for analyzing optical, topographical, morphological and structural studies of AZO nanostructure, respectively. Specific empirical models of optical dielectric constant, bulk modulus and refractive index are also verified. (C) 2019 The Authors. Published by Elsevier B.V.
Keywords
AZO, Sol-gel method, Characterization, Optical
Divisions
nanotechnology
Funders
King Saud University (RG-1437-030)
Publication Title
Journal of Materials Research and Technology-JMR&T
Volume
9
Issue
1
Publisher
Elsevier
Publisher Location
RADARWEG 29, 1043 NX AMSTERDAM, NETHERLANDS