7th International Electronic Conference on Sensors and Applications 2020
DOI: 10.3390/ecsa-7-08216
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Inkjet-Printed Flexible Temperature Sensor Based on Silver Nanoparticles Ink

Abstract: In this research, a flexible inkjet-printed temperature sensor with in-house silver nanoparticles ink is presented and compared with the sensor printed with commercial silver nanoparticles ink. These sensors have an average width of 0.5 ± 0.04 mm in the latter and 0.5 ± 0.03 mm in the former. These serpentine-structure sensors were printed on polyethylene terephthalate (PET) substrate by using a Fujifilm Dimatix 2850 printer. The corresponding results indicating resistance have been recorded in the range of 30… Show more

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Cited by 12 publications
(6 citation statements)
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“…It shows that a 1 °C change of temperature corresponds to a change of 287 mΩ in resistance (d R /d T ). This resolution is better than recently reported values for a similar system of d R /d T = 109 mΩ °C –1 , due to our decreased silver line width of 300 μm, compared to 500 μm used by Liew et al This resolution could be further enhanced by increasing the overall surface area of the temperature sensors, which would increase the overall length of the silver resistance temperature sensor. However, we decided to use a small surface area (2.3 cm –2 ) for a wider variety of possible applications.…”
Section: Resultscontrasting
confidence: 56%
See 1 more Smart Citation
“…It shows that a 1 °C change of temperature corresponds to a change of 287 mΩ in resistance (d R /d T ). This resolution is better than recently reported values for a similar system of d R /d T = 109 mΩ °C –1 , due to our decreased silver line width of 300 μm, compared to 500 μm used by Liew et al This resolution could be further enhanced by increasing the overall surface area of the temperature sensors, which would increase the overall length of the silver resistance temperature sensor. However, we decided to use a small surface area (2.3 cm –2 ) for a wider variety of possible applications.…”
Section: Resultscontrasting
confidence: 56%
“…Due to these growing interest, the number of publications on flexible sensors has increased 3-fold over the last ten years. , These flexible temperature sensors are mostly resistance temperature sensors, which rely on the strong temperature dependence of their electrical resistance. Typical flexible resistance temperature sensors use expensive inorganic metals, such as platinum or gold, either as coating produced by deposition, evaporation or sputtering, or through printable inks containing metallic micro- or nano-objects (particles, wires, ...). , Also used are insulating or semiconducting polymer matrices, such as poly­(3,4-ethylene dioxythiophene)-poly­(styrenesulfonate), in which thermally conducting loads, such as carbon black or carbon nanotubes, have been added. , Printing techniques including screen-printing , or inkjet printing can then be used to print various materials on flexible substrates.…”
Section: Introductionmentioning
confidence: 99%
“…4,5 However, human physiological temperature, such as respiratory temperature, has the characteristics of slight temperature change and high frequency, which puts forward high demands on the sensitivity and speed of sensors. 6,7 In previous reports, there are few sensors with high sensitivity and fast response speed that can solve nonlinear problems from the material level. For example, Harada, S., et al 8 designed a temperature sensor based on carbon nanotubes.…”
Section: Introductionmentioning
confidence: 99%
“…The temperature sensor is an important wearable device, which has the characteristics of flexibility and biological compatibility. It can also be attached to the human skin surface to realize the real-time accurate detection of human physiological signals. , For example, the change in human respiration temperature is an important indicator of lung health. , However, human physiological temperature, such as respiratory temperature, has the characteristics of slight temperature change and high frequency, which puts forward high demands on the sensitivity and speed of sensors. , In previous reports, there are few sensors with high sensitivity and fast response speed that can solve nonlinear problems from the material level. For example, Harada, S., et al designed a temperature sensor based on carbon nanotubes.…”
Section: Introductionmentioning
confidence: 99%
“…Electronic devices are quickly progressing toward lightweight and compact whilst also being flexible . One device of interest is the temperature sensor, which includes the likes of resistance temperature detectors (RTDs), thermistors, semiconductor-based integrated circuits, and thermocouples. In this context, thermocouples have been of interest due to a variety of material selections although traditional thermocouples would be made of bulk metals. Thermocouples function on the Seebeck effect, a phenomenon which causes a small thermoelectric current to be produced when the junction consisting of two different metallic materials in contact is subjected to varying temperatures.…”
Section: Introductionmentioning
confidence: 99%