Recent Advances in Carbon Material‐Based Multifunctional Sensors and Their Applications in Electronic Skin Systems

Advanced Functional Materials, Journal Year: 2021, Volume and Issue: 31(40)

Published: July 11, 2021

Abstract Electronic skin (e‐skin) is driving significant advances in flexible electronics as it holds great promise health monitoring, human–machine interfaces, soft robotics, and so on. Flexible sensors that can detect various stimuli or have multiple properties play an indispensable role e‐skin. Despite tremendous research efforts devoted to with excellent performance regarding a certain sensing mode property, emerging e‐skin demands multifunctional be endowed the skin‐like capability beyond. Considering outstanding superiorities of electrical conductivity, chemical stability, ease functionalization, carbon materials are adopted implement sensors. In this review, latest carbon‐based regard types detection modes abundant introduced. The corresponding preparation process, device structure, mechanism, obtained performance, intriguing applications highlighted. Furthermore, diverse systems by integrating current cutting‐edge technologies (e.g., data acquisition transmission, neuromorphic technology, artificial intelligence) systematically investigated detail. Finally, existing problems future developing directions also proposed.

Language: Английский

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High-security anti-counterfeiting through upconversion luminescence

Materials Today Physics, Journal Year: 2021, Volume and Issue: 21, P. 100520 - 100520

Published: Sept. 8, 2021

Language: Английский

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Recent Advances in Multiresponsive Flexible Sensors towards E‐skin: A Delicate Design for Versatile Sensing

Small, Journal Year: 2021, Volume and Issue: 18(7)

Published: Nov. 25, 2021

Abstract Multiresponsive flexile sensors with strain, temperature, humidity, and other sensing abilities serving as real electronic skin (e‐skin) have manifested great application potential in flexible electronics, artificial intelligence (AI), Internet of Things (IoT). Although numerous sole function already been reported since the concept e‐skin, that mimics features human skin, was proposed about a decade ago, ones more capacities new emergences are urgently demanded. However, highly integrated sensitive multiresponsive functions becoming big thrust for detection body motions, physiological signals (e.g., blood pressure, electrocardiograms (ECG), electromyograms (EMG), sweat, etc.) environmental stimuli light, magnetic field, volatile organic compounds (VOCs)), which vital to real‐time all‐round health monitoring management. Herein, this review summarizes design, manufacturing, presents future challenges fabricating these next‐generation e‐skin wearable electronics.

Language: Английский

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Smart Mechanoluminescent Phosphors: A Review of Strontium‐Aluminate‐Based Materials, Properties, and Their Advanced Application Technologies

Advanced Science, Journal Year: 2022, Volume and Issue: 10(3)

Published: Nov. 13, 2022

Mechanoluminescence, a smart luminescence phenomenon in which light energy is directly produced by mechanical force, has recently received significant attention because of its important applications fields such as visible strain sensing and structural health monitoring. Up to present, hundreds inorganic organic mechanoluminescent materials have been discovered studied. Among them, strontium-aluminate-based are an class for fundamental research practical attributed their extremely low force/pressure threshold mechanoluminescence, efficient photoluminescence, persistent afterglow, relatively synthesis cost. This paper presents systematic comprehensive review luminescent materials' mechanoluminescence phenomena, mechanisms, material techniques, related applications. Besides summarizing the early latest on this system, outlook provided environmental, issue future wearable devices, advanced energy-saving lighting displays.

Language: Английский

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Achieving Remote Stress and Temperature Dual‐Modal Imaging by Double‐Lanthanide‐Activated Mechanoluminescent Materials

Advanced Functional Materials, Journal Year: 2021, Volume and Issue: 31(25)

Published: April 9, 2021

Abstract Mechanoluminescence (ML) is one of the most important routes to realize remote sensing stress distribution, but has never been used in temperature sensing. Traditionally, and are separately realized through different methods multifunctional sensors, which definitely makes structure more complicated. In this work, stress–temperature dual‐modal proposed by using double‐lanthanide‐activated ML material SrZnSO:Tb,Eu, where read integral intensity displayed green red emission ratio ( I Tb / Eu ) material. The dual mode SrZnSO:Tb,Eu enables building a new imaging system, providing facile, reliable, sensitive way remotely visualize distribution temperature. It opens up novel approach develop advanced artificial skins with simplified structures human–machine interfaces, structural health monitoring, biomedical engineering applications.

Language: Английский

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An interactive mouthguard based on mechanoluminescence-powered optical fibre sensors for bite-controlled device operation

Nature Electronics, Journal Year: 2022, Volume and Issue: 5(10), P. 682 - 693

Published: Oct. 10, 2022

Language: Английский

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Mechanoluminescence and Photoluminescence Heterojunction for Superior Multimode Sensing Platform of Friction, Force, Pressure, and Temperature in Fibers and 3D‐Printed Polymers

Advanced Materials, Journal Year: 2023, Volume and Issue: 35(40)

Published: July 3, 2023

Endowing a single material with various types of luminescence, that is, exhibiting simultaneous optical response to different stimuli, is vital in fields. A photoluminescence (PL)- and mechanoluminescence (ML)-based multifunctional sensing platform built by combining heterojunctioned ZnS/CaZnOS:Mn2+ mechano-photonic materials using 3D-printing technique fiber spinning. ML-active particles are embedded micrometer-sized cellulose fibers for flexible devices capable emitting light driven mechanical force. Individually modified 3D-printed hard units exhibit intense ML deformation, such as impact friction, also fabricated. Importantly, they allow low-pressure up ≈100 bar, range previously inaccessible any other technique. Moreover, the developed manometer based on PL demonstrates superior high-pressure sensitivity ≈6.20 nm GPa-1 . Using this platform, four modes temperature detection can be achieved: excitation-band spectral shifts, emission-band bandwidth broadening, lifetime shortening. This work supports possibility mass production optoelectronic parts integrated scientific industrial tools apparatus.

Language: Английский

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Bimodal Tactile Sensor without Signal Fusion for User-Interactive Applications

ACS Nano, Journal Year: 2022, Volume and Issue: 16(2), P. 2789 - 2797

Published: Jan. 21, 2022

Tactile sensors with multimode sensing ability are cornerstones of artificial skin for applications in humanoid robotics and smart prosthetics. However, the intuitive interference-free reading multiple tactile signals without involving complex algorithms calculations remains a challenge. Herein pressure–temperature bimodal sensor any interference is demonstrated by combining fundamentally different mechanisms optics electronics, enabling simultaneous independent pressure temperature elimination signal separation calculations. The comprises mechanoluminescent hybrid ZnS–CaZnOS poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT:PSS) thermoresistant material, endowing unambiguous transduction into optical electrical signals, respectively. This device exhibits highest sensitivity −0.6% °C–1 range 21–60 °C visual applied forces at low limitation 2 N. light-emitting characteristics this permit user-interactive encrypted communication as well monitoring, along wireless transmission. work provides an unexplored solution to multimodal sensors, which can be extended other multifunctional devices.

Language: Английский

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Persistent Luminescence in Strontium Aluminate: A Roadmap to a Brighter Future

Advanced Functional Materials, Journal Year: 2022, Volume and Issue: 32(52)

Published: Oct. 30, 2022

Abstract Glow‐in‐the‐dark materials have been around for a long time. While formerly had to be mixed with radioactive elements achieve sufficiently and bright afterglow, these now replaced by much safer alternatives. Notably strontium aluminate, SrAl 2 O 4 , doped europium dysprosium, has discovered over two decades ago since then the phosphor transcended its popular use in watch dials, safety signage, or toys more niche applications such as stress sensing, photocatalysis, medical imaging, flicker‐free light‐emitting diodes. A lot of research efforts are focused on further improving storage capacity :Eu 2+ ,Dy 3+ including nanosized particles, finding underlying physical mechanism fully explain afterglow this material related compounds. Here an overview most important results from is presented different models physics discussed trapping at play materials.

Language: Английский

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Near‐Infrared Mechanoluminescence of Cr³⁺ Doped Gallate Spinel and Magnetoplumbite Smart Materials

Advanced Functional Materials, Journal Year: 2022, Volume and Issue: 33(3)

Published: Nov. 22, 2022

Abstract Mechanoluminescence (ML), as an optical response to deformation stimuli, shows great potential in high‐end stress sensing, ultrasonic field visualization, and multidimensional anti‐counterfeiting. However, processive practical applications bio‐medicine are constrained by the discovery of near‐infrared (NIR) ML materials. Unlike lanthanides (Ln 3+ ) with sharp multiplets, two kinds Cr ‐doped NIR materials, gallate spinel (ZnGa 2 O 4 :Cr , Zn 3 Ga GeO 8 magnetoplumbite (SrGa 12 19 here reported. Owing intrinsic cation antisite defects vacancies matrix, these materials exhibit bright under a relatively low load (20 N). In particular for SrGa (750 nm, peak; 100 FWHM) persistent luminescence (PersL) interference, behavior can be further rejuvenated UV sunlight irradiation. also emission photo‐ thermo‐stimulation. their excellent tissue penetration concealment capability, show fields

Language: Английский

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