Temperature sensor realized by inkjet printing process on flexible substrate

Dankoco, Mariam Dème; Tesfay, G. Y.; Bènevent, Evangéline; Bendahan, Marc

doi:10.1016/j.mseb.2015.11.003

Cited by 205 publications

(146 citation statements)

References 19 publications

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“…Therefore, it needs to be considered that for most printed sensors, e.g., for resistive sensing applications [30][31][32][33], it is crucial to design structures with a predefined total resistance that guarantee some degree of reproducibility, as otherwise each sensor would have to be calibrated individually. However, inkjet-printed conductive layers on porous substrates (e.g., paper) have no homogeneous surface, as well as a varying thickness of a few micrometres, which is little related to its planar dimensions [34].…”

Section: Introductionmentioning

confidence: 99%

Evaluation of the Sheet Resistance of Inkjet-Printed Ag-Layers on Flexible, Uncoated Paper Substrates Using Van-der-Pauw’s Method

Zikulnig

Roshanghias

Rauter

et al. 2020

Sensors

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With the growing significance of printed sensors on the electronics market, new demands on quality and reproducibility have arisen. While most printing processes on standard substrates (e.g., Polyethylene terephthalate (PET)) are well-defined, the printing on substrates with rather porous, fibrous and rough surfaces (e.g., uncoated paper) contains new challenges. Especially in the case of inkjet-printing and other deposition techniques that require low-viscous nanoparticle inks the solvents and deposition materials might be absorbed, inhibiting the formation of homogeneous conductive layers. As part of this work, the sheet resistance of sintered inkjet-printed conductive silver (Ag-) nanoparticle cross structures on two different, commercially available, uncoated paper substrates using Van-der-Pauw's method is evaluated. The results are compared to the conductivity of well-studied, white heat stabilised and treated PET foil. While the sheet resistance on PET substrate is highly reproducible and the variations are solely process-dependent, the sheet resistance on uncoated paper depends more on the substrate properties themselves. The results indicate that the achievable conductivity as well as the reproducibility decrease with increasing substrate porosity and fibrousness.

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Section: Introductionmentioning

confidence: 99%

Evaluation of the Sheet Resistance of Inkjet-Printed Ag-Layers on Flexible, Uncoated Paper Substrates Using Van-der-Pauw’s Method

Zikulnig

Roshanghias

Rauter

et al. 2020

Sensors

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show abstract

“…Paper's electrical resistivity is strongly depended on the absorbance of water vapors, therefore by exploiting this phenomenon, relative humidity levels can be extracted by measuring the electrical resistance between the IDEs. Regarding temperature measurements, it is known that metallic inks present a positive TCR [2], therefore measuring electrical resistance is adequate for sensing temperature levels as well; these two phenomena and the sole requirement of resistance measurement lead to a coupled platform which can provide information via simple electronic interfacing, eliminating more advanced circuitry required for capacitive measurements.…”

Section: Inkjet Printingmentioning

confidence: 99%

“…The aforementioned fields will vastly benefit from integrating smart monitoring systems in the supply chain which report crucial measurements, because critical thresholds in humidity and temperature inevitably affect goods initial quality, which in turn leads to danger for the consumers and cost increases for the companies. Inkjetprinted metallic nanoparticle-based humidity sensors have been reported both on paper [1] and other flexible substrates such as polyimide and PET, while flexible temperature sensors have also been demonstrated on various substrates in recent publications [2]. By integrating these sensors on the same device, simultaneous measurements of temperature and humidity can be achieved.…”

Section: Introductionmentioning

confidence: 99%

A Disposable Inkjet-Printed Humidity and Temperature Sensor Fabricated on Paper

et al. 2018

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In this work we present the development of a low-cost humidity and temperature sensing platform on paper by inkjet printing, using a commercial AgNPs conductive ink. The humidity sensing module was capable of measuring relative humidity in the range of 0-90%rH, exhibiting linear response with minimal memory effect when returning to 0%rH baseline signal while the temperature sensor performed linearly as well in the range of 25-75°C. Process repeatability has been verified by electrical and optical characterization. Mechanical bending results highlight the platform's capability to serve as an easy to install, flexible multi-parametric sensing platform.

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“…At present, printed electronics technology, which is a device manufacturing method using printing technologies, has been actively studied [24]- [26]. As the study of printed electronics advances, certain types of electronics equipment are expected to be produced using only this method [27].…”

Section: Introductionmentioning

confidence: 99%

Characteristics Improvement of PEDOT:PSS Transparent Conductive Film Prepared by Ink-Jet Printing

Nitta¹,

Kawahara²,

Miyata³

2016

AMPC

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Recently, a high-performance and low-priced transparent conductive film has been expected to be developed because flexible devices produced using organic materials have been actively studied. An indium tin oxide (ITO) thin film, which has been generally used as a material for a transparent conductive film, has problems, such as fragility to bending stress and depletion of the resource. The present study used poly(3, 4-ethylenedioxythiophene)/poly(styrenesulfonate) (PEDOT:PSS), an organic electroconductive material, and examined the improvement in the resistance value and visible light transmittance of a transparent conductive film produced using the ink-jet method. In previous studies, we reported that, to improve the resistance value and visible light transmittance of a thin film, it was effective to clean the film substrate with ultraviolet/ozone (UV/O3) treatment, anneal the film after it was deposited on the substance, and dip the annealed film into a polar solvent. Focusing on the thin film processing between printing operations, the present study improved resistance value and visible light transmittance by examining both the application methods of a polar solvent and the annealing time between printing operations. As a result, the resistance value and visible light transmittance of a PEDOT:PSS thin film were 390.4 Ω and 86.6%, respectively. This film was obtained by applying a polar solvent and performing annealing for 30 min between printing operations. The printing was performed three times.

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Temperature sensor realized by inkjet printing process on flexible substrate

Cited by 205 publications

References 19 publications

Evaluation of the Sheet Resistance of Inkjet-Printed Ag-Layers on Flexible, Uncoated Paper Substrates Using Van-der-Pauw’s Method

Evaluation of the Sheet Resistance of Inkjet-Printed Ag-Layers on Flexible, Uncoated Paper Substrates Using Van-der-Pauw’s Method

A Disposable Inkjet-Printed Humidity and Temperature Sensor Fabricated on Paper

Characteristics Improvement of PEDOT:PSS Transparent Conductive Film Prepared by Ink-Jet Printing

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