Flexible Electronics: Status, Challenges and Opportunities

Frontiers in Electronics, Journal Year: 2020, Volume and Issue: 1

Published: Sept. 30, 2020

SPECIALTY GRAND CHALLENGE article Front.Electron., 30 September 2020Sec. Flexible Electronics Volume 1 - 2020 | https://doi.org/10.3389/felec.2020.594003

Language: Английский

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Recent advances in inkjet-printing technologies for flexible/wearable electronics

Nanoscale, Journal Year: 2023, Volume and Issue: 15(13), P. 6025 - 6051

Published: Jan. 1, 2023

The rapid development of flexible/wearable electronics requires novel fabricating strategies. Among the state-of-the-art techniques, inkjet printing has aroused considerable interest due to possibility large-scale flexible electronic devices with good reliability, high time efficiency, a low manufacturing cost, and so on. In this review, based on working principle, recent advances in technology field are summarized, including supercapacitors, transistors, sensors, thermoelectric generators, wearable fabric, for radio frequency identification. addition, some current challenges future opportunities area also addressed. We hope review article can give positive suggestions researchers electronics.

Language: Английский

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Boosting the Performance of PEDOT:PSS Based Electronics Via Ionic Liquids

Advanced Materials, Journal Year: 2024, Volume and Issue: 36(13)

Published: Jan. 8, 2024

The conducting polymer poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) offers superior advantages in electronics due to its remarkable combination of high electrical conductivity, excellent biocompatibility, and mechanical flexibility, making it an ideal material among electronic skin, health monitoring, energy harvesting storage. Nevertheless, pristine PEDOT:PSS films exhibit limitations terms both low conductivity stretchability; while, conventional processing techniques cannot enhance these properties simultaneously, facing the dilemma that highly conductive interconnected domains are susceptible tensile strain. Via modifying with ionic liquids (ILs), not only a synergistic enhancement can be achieved but also requirements for printable bioelectronic satisfied. In this comprehensive review, task providing thorough examination mechanisms applications ILs as modifiers is undertaken. First, theoretical governing interactions between discussed detail. Then, enhanced elucidation underlying through incorporation reviewed. Next, specific ILs-modified relevant devices presented. Last, there concise summary discussion regarding opportunities challenges exciting field.

Language: Английский

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Sustainability considerations for organic electronic products

Nature Materials, Journal Year: 2023, Volume and Issue: 22(11), P. 1304 - 1310

Published: June 19, 2023

Language: Английский

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Advances in Stretchable Organic Photovoltaics: Flexible Transparent Electrodes and Deformable Active Layer Design

Advanced Materials, Journal Year: 2024, Volume and Issue: 36(37)

Published: May 30, 2024

Stretchable organic photovoltaics (OPVs) have attracted significant attention as promising power sources for wearable electronic systems owing to their superior robustness under repetitive tensile strains and good compatibility. However, reconciling a high power-conversion efficiency reasonable flexibility is tremendous challenge. In addition, the development of stretchable OPVs must be accelerated satisfy increasing requirements niche markets mechanical robustness. OPV devices can classified either structurally or intrinsically stretchable. This work reviews recent advances in OPVs, including design mechanically robust transparent electrodes, photovoltaic materials, devices. Initially, an overview characteristics research progress areas provided. Subsequently, into flexible electrodes that directly affect performances summarized analyzed. Overall, this review aims provide in-depth understanding intrinsic properties highly efficient deformable active while also emphasizing advanced strategies simultaneously improving performance layer, material design, multi-component settings, structural optimization.

Language: Английский

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PEDOT:PSS: From conductive polymers to sensors

Nanotechnology and Precision Engineering, Journal Year: 2021, Volume and Issue: 4(4)

Published: Nov. 22, 2021

PEDOT:PSS conductive polymers have received tremendous attention over the last two decades owing to their high conductivity, ease of processing, and biocompatibility. As a flexible versatile material, can be developed into various forms has had significant impact on emerging sensing applications. This review covers development from material physical sensors. We focus morphology in aqueous dispersions, solid films, hydrogels. Manufacturing processes are summarized, including coating, printing, lithography, there is particular emphasis nanoimprinting lithography that enables production nanowires with superior performance. Applications sensors, for humidity, temperature, pressure, strain, demonstrated. Finally, we discuss challenges propose new directions PEDOT:PSS.

Language: Английский

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Mitigating Dark Current for High-Performance Near-Infrared Organic Photodiodes via Charge Blocking and Defect Passivation

ACS Applied Materials & Interfaces, Journal Year: 2021, Volume and Issue: 13(14), P. 16766 - 16774

Published: April 6, 2021

Thin-film organic near-infrared (NIR) photodiodes can be essential building blocks in the rapidly emerging fields including internet of things and wearable electronics. However, demonstration NIR with not only high responsivity but also low dark current density that is comparable to inorganic photodiodes, for example, below 1 nA cm–2 silicon remains a challenge. In this work, we have demonstrated non-fullerene acceptor-based an ultralow 0.2 at −2 V by innovating on charge transport layers mitigate reverse injection interfacial defect-induced generation. The same device shows external quantum efficiency approaching 70% 850 nm specific detectivity over 1013 Jones wavelengths up 940 nm. Furthermore, versatility our approach mitigating using photodetector utilizing different systems. Finally, practical application image sensor integrated CMOS readout. This work provides new insight into stack design low-dark weak light detection.

Language: Английский

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Advances in Organic and Perovskite Photovoltaics Enabling a Greener Internet of Things

Advanced Functional Materials, Journal Year: 2022, Volume and Issue: 32(23)

Published: April 9, 2022

Abstract Organic and perovskite solar cells (PSCs) have made significant strides in the last couple of years achieving high power conversion efficiencies (18% 29%, respectively) exceptional stability. Ultra‐flexible environmentally stable organic PSCs can effectively operate under various illumination settings. Herein, novel device concepts that comprise photovoltaic alone or tandem with batteries supercapacitors, acting as main supply to another microelectronic component, enabling self‐powered electronics for Internet Things (IoT) are reviewed. Emphasis is placed on specific requirements posed by such applications pave way large scale commercialization. The importance supporting a greener IoT ecosystem eliminating toxic materials solvents fabrication process highlighted.

Language: Английский

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Review on PEDOT:PSS-Based Conductive Fabric

ACS Omega, Journal Year: 2022, Volume and Issue: 7(40), P. 35371 - 35386

Published: Sept. 30, 2022

This article reviews conductive fabrics made with the polymer poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS), their fabrication techniques, and applications. PEDOT:PSS has attracted interest in smart textile technology due to its relatively high electrical conductivity, water dispersibility, ease of manufacturing, environmental stability, commercial availability. Several methods apply textiles. They include polymerization monomer, coating, dyeing, printing methods. In addition, several studies have shown conductivity addition PEDOT:PSS. The properties textiles a certain sheet resistance can be reduced by orders magnitude using polar solvents as secondary dopants. that flexibility durability coated improved creating composite other polymers, such polyurethane, which extensibility. improvement is stronger bonding fabrics. Sensors, actuators, antennas, interconnectors, energy harvesting, storage devices been developed PEDOT:PSS-based

Language: Английский

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Flexible solar and thermal energy conversion devices: Organic photovoltaics (OPVs), organic thermoelectric generators (OTEGs) and hybrid PV-TEG systems

Applied Materials Today, Journal Year: 2022, Volume and Issue: 29, P. 101614 - 101614

Published: Aug. 11, 2022

Solar and thermal energy conversion are two major renewable technologies highly sought after in the past decades by academia, industry, policymakers. Besides traditionally large-size solar convertors, more recently, lightweight, flexible cells thermoelectric generators (TEGs) based on organic semiconductor materials have attracted much attention due to booming development of wearable electronics. In this article, we comprehensively review scientific advances field photovoltaics devices, focusing both fundamental processes as well devices. This brings together state-of-the-art technological advancements hybrid photovoltaic-thermoelectric harvesters, with overarching relevance implications for self-powered electronics internet-of-things (IoT) applications.

Language: Английский

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