Transparent Nano Thin-Film Transistors for Medical Sensors, OLED and Display Applications

Yongbin Hu,1,* Li-Qiang Guo,1,* Changhe Huo,2 Mingzhi Dai,2,3 Thomas J Webster,4 Jianning Ding1 1Institute of Intelligent Flexible Mechatronics, Jiangsu University, Zhenjiang 212013, People’s Republic of China; 2Ningbo Institute of Materials and Technology Engineering, Chinese Academy of S...

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Autores principales:	Hu Y, Guo LQ, Huo C, Dai M, Webster TJ, Ding J
Formato:	article
Lenguaje:	EN
Publicado:	Dove Medical Press 2020
Materias:	flexible transparent temperature sensor transistors electronic-skin Medicine (General) R5-920
Acceso en línea:	https://doaj.org/article/60927b5717384c3c87e335933c4f352c
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spelling	oai:doaj.org-article:60927b5717384c3c87e335933c4f352c2021-12-02T10:15:37ZTransparent Nano Thin-Film Transistors for Medical Sensors, OLED and Display Applications1178-2013https://doaj.org/article/60927b5717384c3c87e335933c4f352c2020-05-01T00:00:00Zhttps://www.dovepress.com/transparent-nano-thin-film-transistors-for-medical-sensors-oled-and-di-peer-reviewed-article-IJNhttps://doaj.org/toc/1178-2013Yongbin Hu,1,* Li-Qiang Guo,1,* Changhe Huo,2 Mingzhi Dai,2,3 Thomas J Webster,4 Jianning Ding1 1Institute of Intelligent Flexible Mechatronics, Jiangsu University, Zhenjiang 212013, People’s Republic of China; 2Ningbo Institute of Materials and Technology Engineering, Chinese Academy of Sciences, Zhejiang 315201, People’s Republic of China; 3Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, People’s Republic of China; 4Department of Chemical Engineering, Northeastern University, Boston, MA 02806, USA*These authors contributed equally to this workCorrespondence: Mingzhi Dai Email daimz@nimte.ac.cnThomas J Webster Email th.webster@neu.eduBackground: Transparent thin-film transistors (TFTs) have received a great deal of attention for medical sensors, OLED and medical display applications. Moreover, ultrathin nanomaterial layers are favored due to their more compact design architectures.Methods: Here, transparent TFTs are proposed and were investigated under different stress conditions such as temperature and biases.Results: Key electrical characteristics of the sensors, such as threshold voltage changes, illustrate their linear dependence on temperature with a suitable recovery, suggesting the potential of the devices to serve as medical temperature sensors. The temperature conditions changed in the range of 28°C to 40°C, which is within the standard human temperature testing range. The thickness of the indium-gallium-zinc oxide semiconductor layer was as thin as only 5– 6 nm, deposited by mature radio-frequency sputtering which also showed good repeatability. Optimal bending durability caused by mechanical deformation was demonstrated via suitable electrical properties after up to 600 bending cycles, and by testing the flexible device at a different bending radii ranging from 48 mm to 18 mm.Conclusion: In summary, this study suggests that the present transparent nano TFTs are promising candidates for medical sensors, OLED and displays which require transparency and stability.Keywords: flexible, transparent, temperature sensor, transistors, electronic skinHu YGuo LQHuo CDai MWebster TJDing JDove Medical Pressarticleflexibletransparenttemperature sensortransistorselectronic-skinMedicine (General)R5-920ENInternational Journal of Nanomedicine, Vol Volume 15, Pp 3597-3603 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	flexible transparent temperature sensor transistors electronic-skin Medicine (General) R5-920
spellingShingle	flexible transparent temperature sensor transistors electronic-skin Medicine (General) R5-920 Hu Y Guo LQ Huo C Dai M Webster TJ Ding J Transparent Nano Thin-Film Transistors for Medical Sensors, OLED and Display Applications
description	Yongbin Hu,1,* Li-Qiang Guo,1,* Changhe Huo,2 Mingzhi Dai,2,3 Thomas J Webster,4 Jianning Ding1 1Institute of Intelligent Flexible Mechatronics, Jiangsu University, Zhenjiang 212013, People’s Republic of China; 2Ningbo Institute of Materials and Technology Engineering, Chinese Academy of Sciences, Zhejiang 315201, People’s Republic of China; 3Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, People’s Republic of China; 4Department of Chemical Engineering, Northeastern University, Boston, MA 02806, USA*These authors contributed equally to this workCorrespondence: Mingzhi Dai Email daimz@nimte.ac.cnThomas J Webster Email th.webster@neu.eduBackground: Transparent thin-film transistors (TFTs) have received a great deal of attention for medical sensors, OLED and medical display applications. Moreover, ultrathin nanomaterial layers are favored due to their more compact design architectures.Methods: Here, transparent TFTs are proposed and were investigated under different stress conditions such as temperature and biases.Results: Key electrical characteristics of the sensors, such as threshold voltage changes, illustrate their linear dependence on temperature with a suitable recovery, suggesting the potential of the devices to serve as medical temperature sensors. The temperature conditions changed in the range of 28°C to 40°C, which is within the standard human temperature testing range. The thickness of the indium-gallium-zinc oxide semiconductor layer was as thin as only 5– 6 nm, deposited by mature radio-frequency sputtering which also showed good repeatability. Optimal bending durability caused by mechanical deformation was demonstrated via suitable electrical properties after up to 600 bending cycles, and by testing the flexible device at a different bending radii ranging from 48 mm to 18 mm.Conclusion: In summary, this study suggests that the present transparent nano TFTs are promising candidates for medical sensors, OLED and displays which require transparency and stability.Keywords: flexible, transparent, temperature sensor, transistors, electronic skin
format	article
author	Hu Y Guo LQ Huo C Dai M Webster TJ Ding J
author_facet	Hu Y Guo LQ Huo C Dai M Webster TJ Ding J
author_sort	Hu Y
title	Transparent Nano Thin-Film Transistors for Medical Sensors, OLED and Display Applications
title_short	Transparent Nano Thin-Film Transistors for Medical Sensors, OLED and Display Applications
title_full	Transparent Nano Thin-Film Transistors for Medical Sensors, OLED and Display Applications
title_fullStr	Transparent Nano Thin-Film Transistors for Medical Sensors, OLED and Display Applications
title_full_unstemmed	Transparent Nano Thin-Film Transistors for Medical Sensors, OLED and Display Applications
title_sort	transparent nano thin-film transistors for medical sensors, oled and display applications
publisher	Dove Medical Press
publishDate	2020
url	https://doaj.org/article/60927b5717384c3c87e335933c4f352c
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Transparent Nano Thin-Film Transistors for Medical Sensors, OLED and Display Applications

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