Low velocity digital air flow sensor from 3D printed PEDOT:PSS micro-hair structures

Devaraj, Harish; Aw, Kean C.; Travaš-Sejdić, Jadranka; Sharma, Rajnish N.

doi:10.1109/transducers.2015.7181118

Cited by 6 publications

(3 citation statements)

References 8 publications

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Section: Figurementioning

confidence: 99%

“…Flow sensing is an essential technique required for various application environments. Devaraj et al [ 54 ] reported a novel method for the sensing of low-velocity air flow using high aspect-ratio 3D-printed micro-hair structures made of a conducting polymer. The 3D micro-hair structures were printed using a custom-built 3D printer.…”

Section: Sensor Applicationsmentioning

confidence: 99%

“… ( A ) Sensor architecture showing the primary components of the micro-hair sensor; ( B ) ( left ) SEM of 1000 μm long micro-hair structure at 45° tilt (scale bar 200 μm) and ( right ) surface of the PEDOT: PSS micro-hair (scale bar 10 μm); ( C ) Cross section of PDMS venturi with gold traces on the disposable sensor substrate; ( D ) Output from 3-channel sensor filtered and shown over a single cycle (ramp up and down) of sensor operation. Reproduced from [ 54 ], with permission from © 2015 IEEE; ( E , F ) Photograph of the printed flow sensor and impeller. Reproduced from [ 55 ], with permission from © 2014 IOP Publishing Ltd. …”

Section: Figurementioning

confidence: 99%

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The Boom in 3D-Printed Sensor Technology

Xiao-yue

Guo

et al. 2017

Sensors

272

170

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Future sensing applications will include high-performance features, such as toxin detection, real-time monitoring of physiological events, advanced diagnostics, and connected feedback. However, such multi-functional sensors require advancements in sensitivity, specificity, and throughput with the simultaneous delivery of multiple detection in a short time. Recent advances in 3D printing and electronics have brought us closer to sensors with multiplex advantages, and additive manufacturing approaches offer a new scope for sensor fabrication. To this end, we review the recent advances in 3D-printed cutting-edge sensors. These achievements demonstrate the successful application of 3D-printing technology in sensor fabrication, and the selected studies deeply explore the potential for creating sensors with higher performance. Further development of multi-process 3D printing is expected to expand future sensor utility and availability.

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Section: Figurementioning

confidence: 99%

Section: Sensor Applicationsmentioning

confidence: 99%

Section: Figurementioning

confidence: 99%

See 1 more Smart Citation

The Boom in 3D-Printed Sensor Technology

Xiao-yue

Guo

et al. 2017

Sensors

272

170

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Additive manufacturing (3D printing) of electrically conductive polymers and polymer nanocomposites and their applications

et al. 2022

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A high sensitivity micro-pressure sensor based on 3D printing and screen-printing technologies

Liu¹,

Zhang²,

Zhao³

et al. 2019

Meas. Sci. Technol.

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A 3Dprinted micropressure sensor with high sensitivity is developed in this paper. It is a fully printed pressure sensor fabricated using a combination of digital light processing (DLP) based printing and screenprinting technologies, with the advantages of high manufacturing efficiency and low cost. The pressure sensor consists of a sensor substrate with a circular diaphragm and a Wheatstone bridge on the surface. First, the pressure sensor was theoretically analyzed and then verified using the finite element method (FEM). During fabrication, the sensor substrate was made from a transparent hightemperature resin, which was printed by a DLPbased 3D printer. The resistors and leads of the Wheatstone bridge were made from carbon paste and silver paste, respectively, and printed by screenprinting technology. Then, the resistors were characterized to find the gauge factor and the print consistency between different resistors. Next, the experimental setup was established for the characterization of the pressure sensor. Three loops of pressurization and depressurization from 0 kPa to 2.4 kPa were applied to the pressure sensor continuously, and the output voltage was recorded. The experimental results show that the gauge factor of the carbon resistor is 17.01 ± 1.85, the sensitivity of the sensor is 4.5522 mV/kPa/5 V, the linearity error is 2.077% FS, the hysteresis error is 6.327% FS and the repeatability error is 5.708% FS. Also, it is very convenient to obtain pressure sensors with different sensitivities and measurement ranges by changing the thickness of the circular diaphragm. All these results prove that the proposed sensor provides a low cost and high sensitivity approach for micropressure measurement, and that 3D printing can be applied to the production of personalized sensors.

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Low velocity digital air flow sensor from 3D printed PEDOT:PSS micro-hair structures

Cited by 6 publications

References 8 publications

The Boom in 3D-Printed Sensor Technology

The Boom in 3D-Printed Sensor Technology

Additive manufacturing (3D printing) of electrically conductive polymers and polymer nanocomposites and their applications

A high sensitivity micro-pressure sensor based on 3D printing and screen-printing technologies

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