An Ultrafast, Energy‐Efficient Electrochromic and Thermochromic Device for Smart Windows

Advanced Materials, Journal Year: 2023, Volume and Issue: 35(35)

Published: June 26, 2023

Smart windows nowadays undertake the esteemed obligation of reducing energy consumption as well upgrading living experience. This project aims to devise a smart window that responds both electricity and heat, with intention achieving efficiency, privacy preservation, enhanced decorative attributes. Through implementation novel electrochromic material design, coupled optimization devices (ECDs), high-performance ECD is obtained, demonstrating coloring/bleaching time 0.53/0.16 s, transmittance modulation 78% (from 99% 21%), superior performance in six dimensions. Furthermore, temperature-responsive units an ionic liquid are incorporated into electrolyte system create thermochromic gel from 80% 0%, excellent thermal insulation (6.4 °C reduction). Ultimately, electro- device developed, featuring ultrafast color-switching speed 0.82/0.60 s multiple working modes. Overall, this work showcases prospective design pathway for development next-generation ultrafast-switching, energy-efficient intelligent windows.

Language: Английский

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Soft Fiber Electronics Based on Semiconducting Polymer

Chemical Reviews, Journal Year: 2023, Volume and Issue: 123(8), P. 4693 - 4763

Published: Feb. 8, 2023

Fibers, originating from nature and mastered by human, have woven their way throughout the entire history of human civilization. Recent developments in semiconducting polymer materials further endowed fibers textiles with various electronic functions, which are attractive applications such as information interfacing, personalized medicine, clean energy. Owing to ability be easily integrated into daily life, soft fiber electronics based on polymers gained popularity recently for wearable implantable applications. Herein, we present a review previous current progress polymer-based electronics, particularly focusing smart-wearable areas. First, provide brief overview viewpoint basic concepts functionality requirements different devices. Then analyze existing associated devices interfaces, healthcare energy conversion storage. The working principle performance summarized. Furthermore, focus fabrication techniques Based continuous one-dimensional yarn, introduce two- three-dimensional fabric fabricating methods. Finally, challenges relevant perspectives potential solutions address related problems.

Language: Английский

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Recent advances in electrochromic materials and devices for camouflage applications

Materials Chemistry Frontiers, Journal Year: 2023, Volume and Issue: 7(12), P. 2337 - 2358

Published: Jan. 1, 2023

This review will systematically summarize and discuss in detail the latest developments electrochromic camouflage materials devices from two aspects of color thermal camouflage.

Language: Английский

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Porous Conductive Textiles for Wearable Electronics

Chemical Reviews, Journal Year: 2024, Volume and Issue: 124(4), P. 1535 - 1648

Published: Feb. 19, 2024

Over the years, researchers have made significant strides in development of novel flexible/stretchable and conductive materials, enabling creation cutting-edge electronic devices for wearable applications. Among these, porous textiles (PCTs) emerged as an ideal material platform electronics, owing to their light weight, flexibility, permeability, wearing comfort. This Review aims present a comprehensive overview progress state art utilizing PCTs design fabrication wide variety integrated systems. To begin with, we elucidate how revolutionize form factors electronics. We then discuss preparation strategies PCTs, terms raw processes, key properties. Afterward, provide detailed illustrations are used basic building blocks fabricate intrinsically flexible or stretchable devices, including sensors, actuators, therapeutic energy-harvesting storage displays. further describe techniques systems either by hybridizing conventional off-the-shelf rigid components with integrating multiple fibrous PCTs. Subsequently, highlight some important application scenarios healthcare, sports training, converging technologies, professional specialists. At end Review, challenges perspectives on future research directions give overall conclusions. As demand more personalized interconnected continues grow, PCT-based wearables hold immense potential redefine landscape technology reshape way live, work, play.

Language: Английский

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Resonant‐Cavity‐Enhanced Electrochromic Materials and Devices

Advanced Materials, Journal Year: 2023, Volume and Issue: 35(47)

Published: March 16, 2023

With rapid advances in optoelectronics, electrochromic materials and devices have received tremendous attentions from both industry academia for their strong potentials wearable portable electronics, displays/billboards, adaptive camouflage, tunable optics, intelligent devices, etc. However, conventional typically present some serious limitations such as undesirable dull colors, long switching time, hindering deeper development. Optical resonators been proven to be the most powerful platform providing optical confinement controllable lightmatter interactions. They generate locally enhanced electromagnetic near-fields that can convert small refractive index changes into high-contrast color variations, enabling multicolor or even panchromatic tuning of materials. Here, resonant-cavity-enhanced an advanced emerging trend electrochromics, are reviewed. In this review, w e will focus on progress based different types applications, including multichromatic displays, visible visualized energy storage, applications multispectral tunability. Among these topics, principles resonators, related materials/devices properties comprehensively discussed summarized. Finally, challenges prospects presented.

Language: Английский

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Colorful Electrochromic Displays with High Visual Quality Based on Porous Metamaterials

Advanced Materials, Journal Year: 2023, Volume and Issue: 35(23)

Published: March 15, 2023

The introduction of metamaterials into electrochromic (EC) displays has recently inspired a great breakthrough in the EC field, as this can offer variety new attractive features, from very wide gamut colors to fast switching times. However, such metamaterial-based still face significant constraints when developing single electrodes full devices, because other supportive components counter and electrolytes, significantly affect light propagation subsequent perceived color quality devices. Herein, new, cost-effective device design structured around type porous metamaterial is reported circumvent critical problem displays. Owing its unique design, achieves good with no drop brightness or shift chromaticity compared electrode. Moreover, porous-metamaterial-based exhibit non-iridescence be viewed range angles (5°-85°) response (2.4 2.5 s for coloration bleaching, respectively), excellent cycling performance (at least 2000 cycles), extremely low power consumption (4.0 mW cm-2 ).

Language: Английский

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Wearable electrochromic materials and devices: from visible to infrared modulation

Journal of Materials Chemistry C, Journal Year: 2023, Volume and Issue: 11(22), P. 7183 - 7210

Published: Jan. 1, 2023

This review systematically introduces and discusses the recent advances progress in wearable electrochromic devices with optical modulation from visible to infrared range.

Language: Английский

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Optical Phenomena in Molecule-Based Magnetic Materials

Chemical Reviews, Journal Year: 2024, Volume and Issue: 124(9), P. 5930 - 6050

Published: April 30, 2024

Since the last century, we have witnessed development of molecular magnetism which deals with magnetic materials based on species, i.e., organic radicals and metal complexes. Among them, broadest attention was devoted to molecule-based ferro-/ferrimagnets, spin transition materials, including those exploring electron transfer, nanomagnets, such as single-molecule magnets (SMMs), qubits, stimuli-responsive materials. Their physical properties open application horizons in sensors, data storage, spintronics, quantum computation. It found that various optical phenomena, thermochromism, photoswitching characteristics, luminescence, nonlinear chiroptical effects, well responsivity external stimuli, can be implemented into Moreover, fruitful interactions these effects provide new cross-effects multifunctionality, enriching applications optical, electronic, devices. This Review aims show scope phenomena generated recent advances areas high-temperature photomagnetism, thermometry utilizing SMMs, addressability magneto-chiral dichroism, opto-magneto-electric multifunctionality. These findings are discussed context types accessible for classes

Language: Английский

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3D‐Printed Hydrogel‐Based Flexible Electrochromic Device for Wearable Displays

Advanced Science, Journal Year: 2024, Volume and Issue: 11(38)

Published: Aug. 9, 2024

Flexible electrochromic devices (FECDs) are widely explored for diverse applications including wearable electronics, camouflage, and smart windows. However, the manufacturing process of patterned FECDs remains complex, costly, non-customizable. To address this challenge, a strategy is proposed to prepare integrated via multi-material direct writing 3D printing. By designing novel viologen/polyvinyl alcohol (PVA) hydrogel inks systematically evaluating printability various inks, seamless interface integration can be achieved, enabling streamlined with continuous production capabilities. The resultant 3D-printed exhibit excellent mechanical properties, high optical contrast (up 54% at 360 nm), nice cycling stability (less than 5% electroactivity reduction after 10 000 s), 19% optimal decrease 5000 cycles bending). potential these hydrogel-based further demonstrated in

Language: Английский

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The rise of electrically tunable metasurfaces

Science Advances, Journal Year: 2024, Volume and Issue: 10(34)

Published: Aug. 23, 2024

Metasurfaces, which offer a diverse range of functionalities in remarkably compact size, have captured the interest both scientific and industrial sectors. However, their inherent static nature limits adaptability for further applications. Reconfigurable metasurfaces emerged as solution to this challenge, expanding potential Among series tunable devices, electrically controllable devices garnered particular attention owing seamless integration with existing electronic equipment. This review presents recent progress reported respect providing an overview technological development trajectory current state art. In particular, we analyze major tuning strategies discuss applications spatial light modulators, optical waveguides, adaptable emissivity regulators. Furthermore, challenges opportunities associated implementation are explored, thereby highlighting bridge gap between electronics photonics enable groundbreaking systems.

Language: Английский

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