Lightweight, Self-Poled, Flexible Piezoelectric Tungsten Disulfide Quantum Dots-Reinforced PVDF-HFP-Based Nanogenerator DOI
Deepak Kashyap, Avanish Kumar Srivastava, Manoj Kumar Gupta

и другие.

ACS Applied Electronic Materials, Год журнала: 2024, Номер 6(2), С. 862 - 874

Опубликована: Янв. 16, 2024

Herein, we reported the fabrication of a highly flexible, sensitive, lightweight, self-poled, hybrid tungsten disulfide (WS2) quantum dots-filled poly(vinylidene fluoride-co-hexafluoropropene) (PVDF-HFP) nanocomposite-based piezoelectric nanogenerator device with high output performance. Highly uniform WS2 dots an average diameter 7–8 nm were synthesized from hydrothermal route and enhanced β-phase PVDF-HFP was obtained through polar DMF solvent in situ electrical poling. Structural morphological investigation revealed formation pure phase QDs-PVDF-HFP nanocomposite PVDF-HFP. Piezoelectric force microscope analysis very charge coefficient (d33) ∼294.55 pm/V single QDs. The flexible transparent fabricated produced remarkably voltage current density about 22 V 1.06 μA/cm2, respectively, even under low pressure without external exhibited dielectric constant 30 at frequency. performance nanogenerators discussed light piezoelectricity, interface polarization, large constant. present study opens excellent to developing self-powered, ultralight, energy-harvesting system for wearable body implantable nanodevices.

Язык: Английский

Materials-Driven Soft Wearable Bioelectronics for Connected Healthcare DOI
Shu Gong, Lu Yan,

Jialiang Yin

и другие.

Chemical Reviews, Год журнала: 2024, Номер 124(2), С. 455 - 553

Опубликована: Янв. 4, 2024

In the era of Internet-of-things, many things can stay connected; however, biological systems, including those necessary for human health, remain unable to connected global Internet due lack soft conformal biosensors. The fundamental challenge lies in fact that electronics and biology are distinct incompatible, as they based on different materials via functioning principles. particular, body is curvilinear, yet typically rigid planar. Recent advances design have generated tremendous opportunities wearable bioelectronics, which may bridge gap, enabling ultimate dream healthcare anyone, anytime, anywhere. We begin with a review historical development healthcare, indicating significant trend healthcare. This followed by focal point discussion about new design, particularly low-dimensional nanomaterials. summarize material types their attributes designing bioelectronic sensors; we also cover synthesis fabrication methods, top-down, bottom-up, combined approaches. Next, discuss energy challenges progress made date. addition front-end devices, describe back-end machine learning algorithms, artificial intelligence, telecommunication, software. Afterward, integration systems been applied various testbeds real-world settings, laboratories preclinical clinical environments. Finally, narrate remaining conjunction our perspectives.

Язык: Английский

Процитировано

135

Laser-induced wet stability and adhesion of pure conducting polymer hydrogels DOI
Daeyeon Won, HyeongJun Kim, Jin Kim

и другие.

Nature Electronics, Год журнала: 2024, Номер 7(6), С. 475 - 486

Опубликована: Май 2, 2024

Язык: Английский

Процитировано

52

Machine-learned wearable sensors for real-time hand-motion recognition: toward practical applications DOI Creative Commons

Kyung Rok Pyun,

Kangkyu Kwon,

Myung Jin Yoo

и другие.

National Science Review, Год журнала: 2023, Номер 11(2)

Опубликована: Ноя. 27, 2023

ABSTRACT Soft electromechanical sensors have led to a new paradigm of electronic devices for novel motion-based wearable applications in our daily lives. However, the vast amount random and unidentified signals generated by complex body motions has hindered precise recognition practical application this technology. Recent advancements artificial-intelligence technology enabled significant strides extracting features from massive intricate data sets, thereby presenting breakthrough utilizing applications. Beyond traditional machine-learning techniques classifying simple gestures, advanced algorithms been developed handle more nuanced tasks with restricted training sets. Machine-learning improved ability perceive, thus machine-learned soft accurate rapid human-gesture recognition, providing real-time feedback users. This forms crucial component future electronics, contributing robust human–machine interface. In review, we provide comprehensive summary covering materials, structures hand-gesture possible through sensors.

Язык: Английский

Процитировано

43

Electronic Skin for Health Monitoring Systems: Properties, Functions, and Applications DOI

Xichen Yang,

Wenzheng Chen, Qunfu Fan

и другие.

Advanced Materials, Год журнала: 2024, Номер 36(31)

Опубликована: Май 17, 2024

Abstract Electronic skin (e‐skin), a skin‐like wearable electronic device, holds great promise in the fields of telemedicine and personalized healthcare because its good flexibility, biocompatibility, conformability, sensing performance. E‐skin can monitor various health indicators human body real time over long term, including physical (exercise, respiration, blood pressure, etc.) chemical (saliva, sweat, urine, etc.). In recent years, development materials, analysis, manufacturing technologies has promoted significant e‐skin, laying foundation for application next‐generation medical devices. Herein, properties required e‐skin monitoring devices to achieve long‐term precise summarize several detectable field are discussed. Subsequently, applications integrated systems reviewed. Finally, current challenges future directions this This review is expected generate interest inspiration improvement systems.

Язык: Английский

Процитировано

39

Flexible, transparent and conductive wearable electronic skin based on 2D titanium carbide (MXene) ink DOI
Jinlei Miao, Mingwei Tian, Lijun Qu

и другие.

Carbon, Год журнала: 2024, Номер 222, С. 118950 - 118950

Опубликована: Фев. 23, 2024

Язык: Английский

Процитировано

29

A laser-engraved wearable gait recognition sensor system for exoskeleton robots DOI Creative Commons
Maowen Sun, Songya Cui, Z. Wang

и другие.

Microsystems & Nanoengineering, Год журнала: 2024, Номер 10(1)

Опубликована: Апрель 8, 2024

Abstract As a reinforcement technology that improves load-bearing ability and prevents injuries, assisted exoskeleton robots have extensive applications in freight transport health care. The perception of gait information by such is vital for their control. This the basis motion planning assistive collaborative functions. Here, wearable recognition sensor system presented. Pressure arrays based on laser-induced graphene are developed with flexibility reliability. Multiple units integrated into an insole to detect real-time pressure at key plantar positions. In addition, circuit hardware algorithm designed reinforce capability recognition. experimental results show accuracy proposed 99.85%, effectiveness further verified through testing robot.

Язык: Английский

Процитировано

26

Electroactive Biomaterials Regulate the Electrophysiological Microenvironment to Promote Bone and Cartilage Tissue Regeneration DOI
Li Chen,

Jianye Yang,

Zhengwei Cai

и другие.

Advanced Functional Materials, Год журнала: 2024, Номер 34(23)

Опубликована: Янв. 7, 2024

Abstract The incidence of large bone and articular cartilage defects caused by traumatic injury is increasing worldwide; the tissue regeneration process for these injuries lengthy due to limited self‐healing ability. Endogenous bioelectrical phenomenon has been well recognized play an important role in homeostasis regeneration. Studies have reported that electrical stimulation (ES) can effectively regulate various biological processes holds promise as external intervention enhance synthesis extracellular matrix, thereby accelerating Hence, electroactive biomaterials considered a biomimetic approach ensure functional recovery integrating physiological signals, including electrical, biochemical, mechanical signals. This review will discuss endogenous bioelectricity tissue, effects ES on cellular behaviors. Then, recent advances materials their applications are systematically overviewed, with focus advantages disadvantages repair performances modulation cell fate. Finally, significance mimicking electrophysiological microenvironment target emphasized future development challenges strategies proposed.

Язык: Английский

Процитировано

24

Recent Development of Implantable Chemical Sensors Utilizing Flexible and Biodegradable Materials for Biomedical Applications DOI
Hu Chen, Liu Wang, Shangbin Liu

и другие.

ACS Nano, Год журнала: 2024, Номер 18(5), С. 3969 - 3995

Опубликована: Янв. 25, 2024

Implantable chemical sensors built with flexible and biodegradable materials exhibit immense potential for seamless integration biological systems by matching the mechanical properties of soft tissues eliminating device retraction procedures. Compared conventional hospital-based blood tests, implantable have capability to achieve real-time monitoring high accuracy important biomarkers such as metabolites, neurotransmitters, proteins, offering valuable insights clinical applications. These innovative could provide essential information preventive diagnosis effective intervention. To date, despite extensive research on bioresorbable electronics, development has faced several challenges related design, resulting in only a limited number successful accomplishments. This review highlights recent advancements based materials, encompassing their sensing strategies, geometric configurations. The following discussions focus demonstrated detection various objects including ions, small molecules, few examples macromolecules using and/or sensors. Finally, we will present current explore future directions.

Язык: Английский

Процитировано

21

Interfacial engineering of liquid metal nanoparticles for the fabrication of conductive hydrogels: A review DOI
Yanbo Zhao, Kai Zhao,

Rong Qian

и другие.

Chemical Engineering Journal, Год журнала: 2024, Номер 486, С. 150197 - 150197

Опубликована: Март 6, 2024

Язык: Английский

Процитировано

21

A review of chalcogenide-based perovskites as the next novel materials: Solar cell and optoelectronic applications, catalysis and future perspectives DOI
George G. Njema, Joshua K. Kibet

Next Nanotechnology, Год журнала: 2024, Номер 7, С. 100102 - 100102

Опубликована: Сен. 11, 2024

Язык: Английский

Процитировано

21