A multifunctional structural coloured electronic skin monitoring body motion and temperature

Froyen, Arne A. F.; Schenning, Albert P. H. J.

doi:10.1039/d2sm01503j

Cited by 11 publications

(6 citation statements)

References 38 publications

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“…Initial setup costs Lower Higher [164,232,241] Maintenance expenses Lower Higher [27,184,247,248] Long-term reliability Generally good Subject to wear and tear [184,242,247] Energy consumption Lower Higher [83,132,249] Integration flexibility High limited [140,184,247,250] Customization possibilities Flexible Rigid [140,184,247,250] Scalability Varies Complex [132,140,184,247] Table 16. Cont.…”

Section: Factors Reversible Thermochromic Materials Traditional Syste...mentioning

confidence: 99%

Thermochromic Polymer Nanocomposites for the Heat Detection System: Recent Progress on Properties, Applications, and Challenges

Supian,

Asyraf,

Syamsir

et al. 2024

Polymers

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Reversible thermochromic polymers have emerged as compelling candidates in recent years, captivating attention for their application in heat detection systems. This comprehensive review navigates through the multifaceted landscape, intricately exploring both the virtues and hurdles inherent in their integration within these systems. Their innate capacity to change colour in response to temperature fluctuations renders reversible thermochromic nanocomposites promising assets for heat detection technologies. However, despite their inherent potential, certain barriers hinder their widespread adoption. Factors such as a restricted colour spectrum, reliance on external triggers, and cost considerations have restrained their pervasive use. For instance, these polymer-based materials exhibit utility in the domain of building insulation, where their colour-changing ability serves as a beacon, flagging areas of heat loss or inadequate insulation, thus alerting building managers and homeowners to potential energy inefficiencies. Nevertheless, the limited range of discernible colours may impede precise temperature differentiation. Additionally, dependency on external stimuli, such as electricity or UV light, can complicate implementation and inflate costs. Realising the full potential of these polymer-based materials in heat detection systems necessitates addressing these challenges head-on. Continuous research endeavours aimed at augmenting colour diversity and diminishing reliance on external stimuli offer promising avenues to enhance their efficacy. Hence, this review aims to delve into the intricate nuances surrounding reversible thermochromic nanocomposites, highlighting their transformative potential in heat detection and sensing. By exploring their mechanisms, properties, and current applications, this manuscript endeavours to shed light on their significance, providing insights crucial for further research and potential applications.

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Section: Factors Reversible Thermochromic Materials Traditional Syste...mentioning

confidence: 99%

Thermochromic Polymer Nanocomposites for the Heat Detection System: Recent Progress on Properties, Applications, and Challenges

Supian,

Asyraf,

Syamsir

et al. 2024

Polymers

View full text Add to dashboard Cite

show abstract

“…The heater comprises a thin electrically conductive layer that efficiently generates rapid, controlled Joule heating by applying an electric current or potential to the surface area [ 108 ]. Arne A. F. Froyen et al introduced multifunctional structural-colored electronic skins developed using scalable solution-processed methods, providing simultaneous monitoring of skin temperature and body motion through optical and electrical responses, respectively [ 109 ]. These multimodal photonic wearables integrated a temperature-responsive, freestanding photonic film with a thin, flexible conductive layer.…”

Section: Dynamically Adjustable Cholesteric Liquid Crystal Structural...mentioning

confidence: 99%

“…Since a CLCPA, which changes color due to stress–strain stimulation, could be subjected to various forms of deformation such as stretching, bending, and torsion, it could be used for the detection of body and joint movements [ 80 ] ( Figure 23 b). CLCPAs’ vibrant structural colors could be used for a wide range of temperature detection up to 50 °C [ 10 , 99 , 109 ] ( Figure 23 c). Visible shape/color changes could be observed during temperature changes.…”

Section: Advanced Optical Applicationsmentioning

confidence: 99%

“…( a ) Illustrations of the temperature-responsive structural-colored CLCPA demonstrate color tuning within a small temperature interval (scale bar: 1 cm). Reflection spectra of the free-standing PDCLC/AgNW film upon heating, along with POM images (crossed polarizers) of the structural-colored CLCPA depicting the temperature-responsive color shift inside the spherical CLC microdroplets (scale bar: 50 μm) [ 109 ]. ( b ) Schematic illustration of reversible actuation and structural color change of the CLCE film, accompanied by photographs of a CLCE film without dye at different temperatures [ 110 ].…”

Section: Figurementioning

confidence: 99%

“…( b ) The bending of finger joints causes the colorimetric sensor to change the structural color, thereby determining joint flexibility [ 80 ]. ( c ) Temperature induced significant structural color changes in CLCPA [ 10 , 99 , 109 ]. ( d ) CLCPA responds to color changes in multiple physical quantities such as light, heat, electricity, and pressure [ 136 ].…”

Section: Figurementioning

confidence: 99%

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Beyond Color Boundaries: Pioneering Developments in Cholesteric Liquid Crystal Photonic Actuators

Zhang,

Yang

et al. 2024

Micromachines

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Creatures in nature make extensive use of structural color adaptive camouflage to survive. Cholesteric liquid crystals, with nanostructures similar to those of natural organisms, can be combined with actuators to produce bright structural colors in response to a wide range of stimuli. Structural colors modulated by nano-helical structures can continuously and selectively reflect specific wavelengths of light, breaking the limit of colors recognizable by the human eye. In this review, the current state of research on cholesteric liquid crystal photonic actuators and their technological applications is presented. First, the basic concepts of cholesteric liquid crystals and their nanostructural modulation are outlined. Then, the cholesteric liquid crystal photonic actuators responding to different stimuli (mechanical, thermal, electrical, light, humidity, magnetic, pneumatic) are presented. This review describes the practical applications of cholesteric liquid crystal photonic actuators and summarizes the prospects for the development of these advanced structures as well as the challenges and their promising applications.

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Integrating the Stimuli‐Responsiveness of Microparticles via Matrix Embedding for Smart Soft Materials with Customized Switchable Properties

Liu,

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2024

Adv Funct Materials

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Smart soft materials are the focus of extensive research efforts due to their potential applications in various fields. Inspired by nature, embedding smart micro‐inclusions in a soft substrate provides a feasible strategy to integrate the smartness of individual microparticles for creating smart materials at the macroscale, broadening the capabilities and applications of smart soft materials. This strategy decouples the design of intelligence and substrate materials, leading to a broader design space for both the smartness and the mechanical properties of the composites. In this Perspective, recent advances in creating smart soft materials using smart microparticles are summarized. The methods developed to construct composites of microparticles in a soft matrix are first introduced, followed by detailed discussions on the material compositions, stimuli and responsiveness, and properties of individual microparticles and the composite systems. Various applications based on advanced functionalities and capabilities that are enabled by those smart soft materials are highlighted. This study also points out research directions to further advance unconventional smart soft materials following this bioinspired approach.

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A multifunctional structural coloured electronic skin monitoring body motion and temperature

Abstract: Multifunctional e-skins provide information on physiological and environmental parameters. However, the development and fabrication of such devices is challenging. Here, structural coloured electronic skins are presented, which are prepared via...

Cited by 11 publications

References 38 publications

Thermochromic Polymer Nanocomposites for the Heat Detection System: Recent Progress on Properties, Applications, and Challenges

Thermochromic Polymer Nanocomposites for the Heat Detection System: Recent Progress on Properties, Applications, and Challenges

Beyond Color Boundaries: Pioneering Developments in Cholesteric Liquid Crystal Photonic Actuators

Integrating the Stimuli‐Responsiveness of Microparticles via Matrix Embedding for Smart Soft Materials with Customized Switchable Properties

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