Fully Vacuum-Sealed Diode-Structure Addressable ZnO Nanowire Cold Cathode Flat-Panel X-ray Source: Fabrication and Imaging Application

A fully vacuum-sealed addressable flat-panel X-ray source based on ZnO nanowire field emitter arrays (FEAs) was fabricated. The device has a diode structure composed of cathode panel and anode panel. ZnO nanowire cold cathodes were prepared on strip electrodes on a cathode panel and Mo thin film str...

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Autores principales: Wang, Chengyun, Zhang, Guofu, Xu, Yuan, Chen, Yicong, Deng, Shaozhi, Chen, Jun
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2021
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8624030/
https://www.ncbi.nlm.nih.gov/pubmed/34835877
http://dx.doi.org/10.3390/nano11113115
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author Wang, Chengyun
Zhang, Guofu
Xu, Yuan
Chen, Yicong
Deng, Shaozhi
Chen, Jun
author_facet Wang, Chengyun
Zhang, Guofu
Xu, Yuan
Chen, Yicong
Deng, Shaozhi
Chen, Jun
author_sort Wang, Chengyun
collection PubMed
description A fully vacuum-sealed addressable flat-panel X-ray source based on ZnO nanowire field emitter arrays (FEAs) was fabricated. The device has a diode structure composed of cathode panel and anode panel. ZnO nanowire cold cathodes were prepared on strip electrodes on a cathode panel and Mo thin film strips were prepared on an anode panel acting as the target. Localized X-ray emission was realized by cross-addressing of cathode and anode electrodes. A radiation dose rate of 10.8 μGy/s was recorded at the anode voltage of 32 kV. The X-ray imaging of objects using different addressing scheme was obtained and the imaging results were analyzed. The results demonstrated the feasibility of achieving addressable flat-panel X-ray source using diode-structure for advanced X-ray imaging.
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spelling pubmed-86240302021-11-27 Fully Vacuum-Sealed Diode-Structure Addressable ZnO Nanowire Cold Cathode Flat-Panel X-ray Source: Fabrication and Imaging Application Wang, Chengyun Zhang, Guofu Xu, Yuan Chen, Yicong Deng, Shaozhi Chen, Jun Nanomaterials (Basel) Article A fully vacuum-sealed addressable flat-panel X-ray source based on ZnO nanowire field emitter arrays (FEAs) was fabricated. The device has a diode structure composed of cathode panel and anode panel. ZnO nanowire cold cathodes were prepared on strip electrodes on a cathode panel and Mo thin film strips were prepared on an anode panel acting as the target. Localized X-ray emission was realized by cross-addressing of cathode and anode electrodes. A radiation dose rate of 10.8 μGy/s was recorded at the anode voltage of 32 kV. The X-ray imaging of objects using different addressing scheme was obtained and the imaging results were analyzed. The results demonstrated the feasibility of achieving addressable flat-panel X-ray source using diode-structure for advanced X-ray imaging. MDPI 2021-11-18 /pmc/articles/PMC8624030/ /pubmed/34835877 http://dx.doi.org/10.3390/nano11113115 Text en © 2021 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Wang, Chengyun
Zhang, Guofu
Xu, Yuan
Chen, Yicong
Deng, Shaozhi
Chen, Jun
Fully Vacuum-Sealed Diode-Structure Addressable ZnO Nanowire Cold Cathode Flat-Panel X-ray Source: Fabrication and Imaging Application
title Fully Vacuum-Sealed Diode-Structure Addressable ZnO Nanowire Cold Cathode Flat-Panel X-ray Source: Fabrication and Imaging Application
title_full Fully Vacuum-Sealed Diode-Structure Addressable ZnO Nanowire Cold Cathode Flat-Panel X-ray Source: Fabrication and Imaging Application
title_fullStr Fully Vacuum-Sealed Diode-Structure Addressable ZnO Nanowire Cold Cathode Flat-Panel X-ray Source: Fabrication and Imaging Application
title_full_unstemmed Fully Vacuum-Sealed Diode-Structure Addressable ZnO Nanowire Cold Cathode Flat-Panel X-ray Source: Fabrication and Imaging Application
title_short Fully Vacuum-Sealed Diode-Structure Addressable ZnO Nanowire Cold Cathode Flat-Panel X-ray Source: Fabrication and Imaging Application
title_sort fully vacuum-sealed diode-structure addressable zno nanowire cold cathode flat-panel x-ray source: fabrication and imaging application
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8624030/
https://www.ncbi.nlm.nih.gov/pubmed/34835877
http://dx.doi.org/10.3390/nano11113115
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