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2019 | Buch

Introduction Kapitel lesen Erstes Kapitel lesen

Printed Flexible Sensors

Fabrication, Characterization and Implementation

verfasst von: Dr. Anindya Nag, Prof. Subhas Chandra Mukhopadhyay, Jurgen Kosel

Verlag: Springer International Publishing

Buchreihe : Smart Sensors, Measurement and Instrumentation

Enthalten in: Springer Professional "Wirtschaft+Technik" , Springer Professional "Technik"

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Über dieses Buch

This book presents recent advances in the design, fabrication and implementation of flexible printed sensors. It explores a range of materials for developing the electrode and substrate parts of the sensors, on the basis of their electrical and mechanical characteristics. The sensors were processed using laser cutting and 3D printing techniques, and the sensors developed were employed in a number of healthcare, environmental and industrial applications, including: monitoring of physiological movements, respiration, salinity and nitrate measurement, and tactile sensing. The type of sensor selected for each application depended on its dimensions, robustness and sensitivity. The sensors fabricated were also embedded in an IoT-based system, allowing them to be integrated into real-time applications.

Inhaltsverzeichnis

Frontmatter
Chapter 1. Introduction
Abstract
This chapter showcases the significance of sensors, explaining the ideology behind the usage of printed flexible sensors, their fabrication techniques and some of their applications.
Anindya Nag, Subhas Chandra Mukhopadhyay, Jurgen Kosel
Chapter 2. Literature Review
Abstract
This chapter elucidates on some of the work done by different researchers on sensors developed from Carbon Nanotubes (CNTs) and graphene. Work done on the preparation and properties of CNTs and graphene are explained in addition to their employment as electrochemical, strain and electrical sensors. It also explains the work done on a range of wearable, flexible sensors, some of the network protocols used to operate them, the current challenges availing in the present scenario and some of the future opportunities in terms of market survey and betterment of the existing sensors.
Anindya Nag, Subhas Chandra Mukhopadhyay, Jurgen Kosel
Chapter 3. Interdigitated Sensing and Electrochemical Impedance Spectroscopy
Abstract
This chapter elucidates the working principle of the different sensor prototypes that have been explained in the subsequent chapters. The electrodes of all the sensors were shaped in an interdigitated manner, working on the capacitive principle. Due to the flexible and interdigital nature of the sensors, the developed prototypes displayed dual nature of functionality. They were operated as electrochemical sensors with different solutions and as strain strains as a result of a change in dimensions with induced pressure. The sensors were conjugated with electrochemical impedance spectroscopy to determine the changes in impedance values with respect to different inputs provided as per specific applications.
Anindya Nag, Subhas Chandra Mukhopadhyay, Jurgen Kosel
Chapter 4. Carbon Nanotubes-Polydimethylsiloxane Sensor
Abstract
This chapter depicts the design, fabrication, and employment of the first novel sensor prototype formed from Carboxylic acid functionalized Multi-Walled Carbon Nanotubes (MWCNTs) and Polydimethylsiloxane (PDMS). Casting and laser cutting techniques were used to develop the patches where the electrodes were curved out off a nanocomposite layer that was formed by mixing MWCNTs and PDMS. The sensors were then employed for monitoring limb movements and respiration by attaching them to the joints of the limbs and lower part of the diaphragm. They were also deployed for low-pressure tactile sensing purposes.
Anindya Nag, Subhas Chandra Mukhopadhyay, Jurgen Kosel
Chapter 5. Aluminium-Polyethylene Terephthalate Sensor
Abstract
This chapter explains the fabrication and implementation of the second type of sensor prototype developed from Aluminium and Polyethylene Terephthalate (PET). Metallized PET films were laser ablated in a single-step process to develop the sensor patches. These sensors were then employed for tactile sensing purposes.
Anindya Nag, Subhas Chandra Mukhopadhyay, Jurgen Kosel
Chapter 6. Graphite-Polyimide Sensor
Abstract
This chapter explains the fabrication and implementation of sensor patches developed from laser-induced polymer films. Photo-thermal induction of commercial films was done to form graphene that was subsequently used as electrodes in sensor patches via transferring them on sticky tapes. The sensor patches were used for different environmental and industrial applications like salinity sensing, taste sensing, and nitrate sensing.
Anindya Nag, Subhas Chandra Mukhopadhyay, Jurgen Kosel
Chapter 7. Graphite-Polydimethylsiloxane Sensor
Abstract
This chapter represents the fabrication and implementation of a novel sensor prototype developed from 3D printed mold-based technique. 3D printing was done to develop molds of specific dimensions where the casting of Graphite and PDMS was done to develop the electrodes and substrates of the sensor patches respectively. The developed sensors were used for monitoring strain-induced physiological movements by attaching them to different joints of the body. They were also employed for low-force sensing where identical objects with different weights were positioned in the sensing area of the patches to determine their responses.
Anindya Nag, Subhas Chandra Mukhopadhyay, Jurgen Kosel
Chapter 8. Conclusion, Challenges and Future Work
Abstract
This chapter gives the conclusion of the work done on the fabrication and implementation of printed flexible sensors for different applications. It also showcases the challenges faced by the current sensors along with some of the remedial solutions for them. It also explains some of the possible uses of the developed sensors along with the market survey for the MEMS-based and printed flexible sensors for the upcoming years.
Anindya Nag, Subhas Chandra Mukhopadhyay, Jurgen Kosel
Metadaten
Titel
Printed Flexible Sensors
verfasst von
Dr. Anindya Nag
Prof. Subhas Chandra Mukhopadhyay
Jurgen Kosel
Copyright-Jahr
2019
Electronic ISBN
978-3-030-13765-6
Print ISBN
978-3-030-13764-9
DOI
https://doi.org/10.1007/978-3-030-13765-6

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