Author:
Kondratev V M,Kuznetsov A,Fedina S V,Nalimova S S,Moshnikov V A,Bolshakov A D
Abstract
Abstract
Ammonia is widespread chemical compound found both in nature and in human body, and its detection is very important in biology and medicine as well as in environmental monitoring systems. This work is aimed at fabrication and study of precise, technological and relatively cheap ammonia sensors compatible with a liquid medium. Here we use GaP epitaxial nanowires (NWs) as adsorption elements capable of ammonia detection fabricated via a simple protocol. The device properties are studied in terms of change in sensor impedance spectrum upon presence of ammonia. Physical interpretation of the impedance spectra in the presence of water and ammonia is given. GaP–based device exhibit sufficient response to the ammonia presence with the detection limit lower than 2.5 ppm.
Subject
General Physics and Astronomy
Reference6 articles.
1. Technologically Feasible ZnO Nanostructures for Carbon Monoxide Gas Sensing;Kondratev,2021
2. Study of Surface Acid-Base Properties Of Gas-Sensitive Metal Oxides;Nalimova;2020 IEEE Conference of Russian Young Researchers in Electrical and Electronic Engineering (EIConRus)
3. Synthesis, Investigation and Gas Sensitivity of Zinc Stannate Layers;Levkevich,2020
4. Gallium Phosphide Nanowires in a Free-Standing, Flexible, and Semitransparent Membrane for Large-Scale Infrared-to-Visible Light Conversion
5. Raman spectroscopy of GaP/GaNP core/shell nanowires
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