Fabrication of Temperature Sensors with High-Performance Uniformity through Thermal Annealing

It is considered to be of great significance to monitor human health and track the effect of drugs by measuring human temperature mapping through flexible temperature sensors. In this work, we found that the thermal annealing of flexible temperature sensors based on graphite–acrylate copolymer compo...

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Main Authors: Hongrui Liu, Yongchun Li, Weiji Xie, Xinyi Zhou, Jishuang Hong, Junfeng Liang, Yanghui Liu, Wei Li, Hong Wang
Format: Article
Language:English
Published: MDPI AG 2023-02-01
Series:Materials
Subjects:
Online Access:https://www.mdpi.com/1996-1944/16/4/1491
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author Hongrui Liu
Yongchun Li
Weiji Xie
Xinyi Zhou
Jishuang Hong
Junfeng Liang
Yanghui Liu
Wei Li
Hong Wang
author_facet Hongrui Liu
Yongchun Li
Weiji Xie
Xinyi Zhou
Jishuang Hong
Junfeng Liang
Yanghui Liu
Wei Li
Hong Wang
author_sort Hongrui Liu
collection DOAJ
description It is considered to be of great significance to monitor human health and track the effect of drugs by measuring human temperature mapping through flexible temperature sensors. In this work, we found that the thermal annealing of flexible temperature sensors based on graphite–acrylate copolymer composites can not only improve the temperature coefficient of resistance (TCR) values of the devices, but also greatly improve the uniformity of the performance of the devices prepared in parallel. The best results were obtained when the devices were annealed at 100 °C, which is believed to be due to the rearrangement of graphite particles to generate more uniform and numerous conductive channels within the conductive composite. We believe this finding might promote the practical development of flexible temperature sensors in body temperature sensing for health maintenance and medical applications.
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spelling doaj.art-2d2f482651bf4ce4a808b0a9dc9f114d2023-11-16T21:50:29ZengMDPI AGMaterials1996-19442023-02-01164149110.3390/ma16041491Fabrication of Temperature Sensors with High-Performance Uniformity through Thermal AnnealingHongrui Liu0Yongchun Li1Weiji Xie2Xinyi Zhou3Jishuang Hong4Junfeng Liang5Yanghui Liu6Wei Li7Hong Wang8School of Materials, Shenzhen Campus of Sun Yat-sen University, Shenzhen 518107, ChinaDepartment of Anesthesiology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Guangzhou 510060, ChinaDepartment of Anesthesiology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Guangzhou 510060, ChinaSchool of Materials, Shenzhen Campus of Sun Yat-sen University, Shenzhen 518107, ChinaDepartment of Anesthesiology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Guangzhou 510060, ChinaSchool of Materials, Shenzhen Campus of Sun Yat-sen University, Shenzhen 518107, ChinaSchool of Materials, Shenzhen Campus of Sun Yat-sen University, Shenzhen 518107, ChinaDepartment of Anesthesiology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Guangzhou 510060, ChinaSchool of Materials, Shenzhen Campus of Sun Yat-sen University, Shenzhen 518107, ChinaIt is considered to be of great significance to monitor human health and track the effect of drugs by measuring human temperature mapping through flexible temperature sensors. In this work, we found that the thermal annealing of flexible temperature sensors based on graphite–acrylate copolymer composites can not only improve the temperature coefficient of resistance (TCR) values of the devices, but also greatly improve the uniformity of the performance of the devices prepared in parallel. The best results were obtained when the devices were annealed at 100 °C, which is believed to be due to the rearrangement of graphite particles to generate more uniform and numerous conductive channels within the conductive composite. We believe this finding might promote the practical development of flexible temperature sensors in body temperature sensing for health maintenance and medical applications.https://www.mdpi.com/1996-1944/16/4/1491conductive compositetemperature sensorannealinghigh uniformitybody temperature
spellingShingle Hongrui Liu
Yongchun Li
Weiji Xie
Xinyi Zhou
Jishuang Hong
Junfeng Liang
Yanghui Liu
Wei Li
Hong Wang
Fabrication of Temperature Sensors with High-Performance Uniformity through Thermal Annealing
Materials
conductive composite
temperature sensor
annealing
high uniformity
body temperature
title Fabrication of Temperature Sensors with High-Performance Uniformity through Thermal Annealing
title_full Fabrication of Temperature Sensors with High-Performance Uniformity through Thermal Annealing
title_fullStr Fabrication of Temperature Sensors with High-Performance Uniformity through Thermal Annealing
title_full_unstemmed Fabrication of Temperature Sensors with High-Performance Uniformity through Thermal Annealing
title_short Fabrication of Temperature Sensors with High-Performance Uniformity through Thermal Annealing
title_sort fabrication of temperature sensors with high performance uniformity through thermal annealing
topic conductive composite
temperature sensor
annealing
high uniformity
body temperature
url https://www.mdpi.com/1996-1944/16/4/1491
work_keys_str_mv AT hongruiliu fabricationoftemperaturesensorswithhighperformanceuniformitythroughthermalannealing
AT yongchunli fabricationoftemperaturesensorswithhighperformanceuniformitythroughthermalannealing
AT weijixie fabricationoftemperaturesensorswithhighperformanceuniformitythroughthermalannealing
AT xinyizhou fabricationoftemperaturesensorswithhighperformanceuniformitythroughthermalannealing
AT jishuanghong fabricationoftemperaturesensorswithhighperformanceuniformitythroughthermalannealing
AT junfengliang fabricationoftemperaturesensorswithhighperformanceuniformitythroughthermalannealing
AT yanghuiliu fabricationoftemperaturesensorswithhighperformanceuniformitythroughthermalannealing
AT weili fabricationoftemperaturesensorswithhighperformanceuniformitythroughthermalannealing
AT hongwang fabricationoftemperaturesensorswithhighperformanceuniformitythroughthermalannealing