Fully Printed Flexible Humidity Sensor

Reddy, A. S. G.; Narakathu, Binu B.; Atashbar, Massood Z.; Rebros, Marian; Rebrosova, E.; Joyce, Margaret

doi:10.1016/j.proeng.2011.12.030

Cited by 113 publications

(45 citation statements)

References 14 publications

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“…Several capacitive RH sensors have been designed and produced on interdigitated gold, platinum or silver electrodes with this platform incorporating organic polymer thin films or porous ceramics such as alumina, perovskites, and porous silicon based on printing deposition or coating techniques onto a ceramic substrate [321,322]. …”

Section: Capacitive Type Humidity Sensorsmentioning

confidence: 99%

Humidity Sensors Principle, Mechanism, and Fabrication Technologies: A Comprehensive Review

Farahani

Wagiran

Hamidon

2014

Sensors

1,012

562

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Humidity measurement is one of the most significant issues in various areas of applications such as instrumentation, automated systems, agriculture, climatology and GIS. Numerous sorts of humidity sensors fabricated and developed for industrial and laboratory applications are reviewed and presented in this article. The survey frequently concentrates on the RH sensors based upon their organic and inorganic functional materials, e.g., porous ceramics (semiconductors), polymers, ceramic/polymer and electrolytes, as well as conduction mechanism and fabrication technologies. A significant aim of this review is to provide a distinct categorization pursuant to state of the art humidity sensor types, principles of work, sensing substances, transduction mechanisms, and production technologies. Furthermore, performance characteristics of the different humidity sensors such as electrical and statistical data will be detailed and gives an added value to the report. By comparison of overall prospects of the sensors it was revealed that there are still drawbacks as to efficiency of sensing elements and conduction values. The flexibility offered by thick film and thin film processes either in the preparation of materials or in the choice of shape and size of the sensor structure provides advantages over other technologies. These ceramic sensors show faster response than other types.

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Section: Capacitive Type Humidity Sensorsmentioning

confidence: 99%

Humidity Sensors Principle, Mechanism, and Fabrication Technologies: A Comprehensive Review

Farahani

Wagiran

Hamidon

2014

Sensors

1,012

562

View full text Add to dashboard Cite

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“…Even if a parallel connection would lower the required time for multi-deposition of polymers, in practice the commercially available multi-output potentiostats are majorly connected in series. Even if these are the majorly utilized techniques for customizing printed electroanalytical platforms with polymer-based modifiers, other approaches can serve to accomplish this goal (although some techniques have not been applied to (bio)electrochemical detection yet); among these, roll-to-roll [38], electrospray [25], pen-writing [39], and dip coating [40] represent other possible methods. However, roll-to-roll allows a quick modification of a high amount of electrodes, but the equipment required is bulky and expensive; electrospray can be carried out with home-made apparatus, but one of its limitations could be ascribable to the interaction between the electric field applied to generate droplets and the polymer; pen-writing is also a very versatile way to produce or modify printed electrodes, but it lacks of repeatability; dip coating for layer-by-layer structuring of electrodes is a simple and effective approach, which exploits the adsorption of oppositely charged polymer layers, but it requires many steps.…”

Section: Techniques For Integrating Polymeric Materials Onto Printed mentioning

confidence: 99%

Polymeric Materials for Printed-Based Electroanalytical (Bio)Applications

Cinti

2017

Chemosensors

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Advances in design of selective interfaces and printed technology have mighty contributed to the expansion of the electroanalysis fame. The real advantage in electroanalytical field is the possibility to manufacture and customize plenty of different sensing platforms, thus avoiding expensive equipment, hiring skilled personnel, and expending economic effort. Growing developments in polymer science have led to further improvements in electroanalytical methods such as sensitivity, selectivity, reproducibility, and accuracy. This review provides an overview of the technical procedures that are used in order to establish polymer effectiveness in printed-based electroanalytical methods. Particular emphasis is placed on the development of electronalytical sensors and biosensors, which highlights the diverse role of the polymeric materials depending on their specific application. A wide overview is provided, taking into account the most significant findings that have been reported from 2010 to 2017.

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“…For example, Shemelya et al developed capacitive copper wire mesh sensors using wire embedded with a fused deposition modeler, Aliane et al developed temperature sensors, and Thompson and Yoon printed strain sensors using an aerosol printing technique [2,33,34]. There are many advantages to printing these types of mechanical sensors as they typically permit flexibility in configuration and application seen in gravure-printed humidity sensors by Reddy et al [35]. Printing also provides a means for the utilization of mission specific actuators, allowing for customizable form factors and the advantage of unconventional geometries and environments afforded by more flexible substrates such as those seen in Someya's large-area, skin-like pressure sensors and actuators [36].…”

Section: Review Of Printed Electronicsmentioning

confidence: 99%

All-printed smart structures: a viable option?

et al. 2014

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The last two decades have seen evolution of smart materials and structures technologies from theoretical concepts to physical realization in many engineering fields. These include smart sensors and actuators, active damping and vibration control, biomimetics, and structural health monitoring. Recently, additive manufacturing technologies such as 3D printing and printed electronics have received attention as methods to produce 3D objects or electronic components for prototyping or distributed manufacturing purposes. In this paper, the viability of manufacturing all-printed smart structures, with embedded sensors and actuators, will be investigated. To this end, the current 3D printing and printed electronics technologies will be reviewed first. Then, the plausibility of combining these two different additive manufacturing technologies to create all-printed smart structures will be discussed. Potential applications for this type of all-printed smart structures include most of the traditional smart structures where sensors and actuators are embedded or bonded to the structures to measure structural response and cause desired static and dynamic changes in the structure.

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Fully Printed Flexible Humidity Sensor

Cited by 113 publications

References 14 publications

Humidity Sensors Principle, Mechanism, and Fabrication Technologies: A Comprehensive Review

Humidity Sensors Principle, Mechanism, and Fabrication Technologies: A Comprehensive Review

Polymeric Materials for Printed-Based Electroanalytical (Bio)Applications

All-printed smart structures: a viable option?

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