Edible Electronics: The Vision and the Challenge

Sharova, Alina S.; Melloni, Filippo; Lanzani, Guglielmo; Bettinger, Christopher J.; Caironi, Mario

doi:10.1002/admt.202000757

Cited by 111 publications

(106 citation statements)

References 295 publications

(530 reference statements)

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“…[ 6 ] Fabrics and electrospun nanofibers are particularly useful for manufacturing wearable electronics. [ 194 ] Natural materials are promising substrates for biocompatible electronics, [ 28 , 97 ] edible electronics, [ 195 ] biodegradable electronics, [ 196 ] and implantable electronics. [ 197 ] Porous elastic polymers like PDMS and PU are often exploited to develop stretchable electronics [ 198 ] and on‐skin electronics.…”

Section: Electronic Devices Based On Flexible Porous Substratesmentioning

confidence: 99%

A New Class of Electronic Devices Based on Flexible Porous Substrates

Zhang

Huang

et al. 2022

Advanced Science

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With the advent of the Internet of Things era, the connection between electronic devices and humans is getting closer and closer. New‐concept electronic devices including e‐skins, nanogenerators, brain–machine interfaces, and implantable medical devices, can work on or inside human bodies, calling for wearing comfort, super flexibility, biodegradability, and stability under complex deformations. However, conventional electronics based on metal and plastic substrates cannot effectively meet these new application requirements. Therefore, a series of advanced electronic devices based on flexible porous substrates (e.g., paper, fabric, electrospun nanofibers, wood, and elastic polymer sponge) is being developed to address these challenges by virtue of their superior biocompatibility, breathability, deformability, and robustness. The porous structure of these substrates can not only improve device performance but also enable new functions, but due to their wide variety, choosing the right porous substrate is crucial for preparing high‐performance electronics for specific applications. Herein, the properties of different flexible porous substrates are summarized and their basic principles of design, manufacture, and use are highlighted. Subsequently, various functionalization methods of these porous substrates are briefly introduced and compared. Then, the latest advances in flexible porous substrate‐based electronics are demonstrated. Finally, the remaining challenges and future directions are discussed.

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Section: Electronic Devices Based On Flexible Porous Substratesmentioning

confidence: 99%

A New Class of Electronic Devices Based on Flexible Porous Substrates

Zhang

Huang

et al. 2022

Advanced Science

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“…Printing methods, including for example screen-printing, spray-coating, transfer printing, and ink-jet, are applicable to a variety of natural-based, biodegradable and bioresorbable materials and substrates. [212][213][214] Schematics of common printing techniques are summarized in Figure 15.…”

Section: Integration Approaches and Technologiesmentioning

confidence: 99%

Green Materials and Technologies for Sustainable Organic Transistors

Torricelli

Alessandri

Macchia

et al. 2021

Adv Materials Technologies

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Intelligent objects, autonomous factories and humans browsing the real world with artificial technology‐based capabilities is not the movie set of a new saga but what is going to happen with next‐generation electronics and bioelectronics fabricated with emerging materials, technologies, and devices. The emergence of (bio)electronics as a ubiquitous feature of an advanced modern society is posing the challenge of managing an ever‐increasing amount of e‐waste, also making the recovery more and more difficult. Thus, new design approaches are required considering that a possibly small but significant fraction of mass‐scale e‐products is inherently impossible to recover. In this perspective, organic materials and technologies can provide important solutions. This review presents and analyses green materials and technologies underpinning the development of sustainable organic transistors, which promise to become key components for Earth‐safe wide‐spread electronics and bioelectronics.

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“…Ingestible capsules are becoming more prevalent as medical devices [1][2][3][4][5][6][7][8][9][10][11][12][13][14][15][16]. However, the reliability of their communications systems is still challenging.…”

Section: Introductionmentioning

confidence: 99%

Meandering Pattern 433 MHz Antennas for Ingestible Capsules

et al. 2021

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A number of design challenges are associated with in-body devices, especially ingestible capsules, including selection of operation frequency and antenna design. Operation frequency, miniaturization, gain, and interference with the environment and the internal components of ingestible capsules are all challenging factors. In this work, we design and measure the performance of miniature antennas that can be included in ingestible capsules. The meandering pattern designs are implemented with a 433 MHz center frequency which is within one of the industrial, scientific and medical (ISM) bands. The antenna patterns are rolled into cylinders to reflect their configuration inside a capsule. The effects of different antenna design features, environmental dielectric changes, and the battery locations relative to the antenna traces are explored. We show that the optimized antenna can offer acceptable performance even when the center frequency shifts due to the modulation of the dielectric constant of the media and by the insertion of batteries. Both simulations and measurements provide insight into how the meandering antenna should be designed for the desired frequency that can be expanded to other ingestible and implantable systems.

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Edible Electronics: The Vision and the Challenge

Cited by 111 publications

References 295 publications

A New Class of Electronic Devices Based on Flexible Porous Substrates

A New Class of Electronic Devices Based on Flexible Porous Substrates

Green Materials and Technologies for Sustainable Organic Transistors

Meandering Pattern 433 MHz Antennas for Ingestible Capsules

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