Review—Towards 5th Generation AI and IoT Driven Sustainable Intelligent Sensors Based on 2D MXenes and Borophene

ECS Sensors Plus, Journal Year: 2022, Volume and Issue: 1(1), P. 013601 - 013601

Published: March 1, 2022

Sensors are considered to be an important vector for sustainable development. The demand meet the needs of future generations is accelerating development intelligent sensor-systems integrated with internet things (IoTs), fifth generation (5G) communication, artificial intelligence (AI) and machine learning (ML) strategies. inclusion 2D nanomaterials IoTs/AI/ML has revolutionized diversified applications sensors in healthcare, wearable electronics, safety, environment, defense, agriculture. Owing their unique physicochemical characteristics surface functionalities, borophene MXenes have emerged as advanced 2D-materials (A2M) architect future-generation sensors. ML-AI based theoretical modeling guided research A2M-sensors economically by reducing cost, human resources, contamination. flexible, wearable, intelligent, biocompatible, portable, energy-efficient, self-sustained, point-of-care, economical, which can drastically transform conventional sensing This review provides insight state-of-the-art A2M-based physical, chemical, biosensor efficiently detect chemical species, gases/vapors, drugs, biomarkers/pathogens, pressure, metal ions, radiations, temperature, light, humidity. Besides fundamental challenges creating a gap between predictions, practical-evaluations, in-lab-technology, commercial viability, potential solutions, field-deployable prospects addressed realize commercialization, thereby ensuring ability maintain communities.

Language: Английский

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A Comprehensive Review of Graphitic Carbon Nitride (g-C3N4)–Metal Oxide-Based Nanocomposites: Potential for Photocatalysis and Sensing

Nanomaterials, Journal Year: 2022, Volume and Issue: 12(2), P. 294 - 294

Published: Jan. 17, 2022

g-C3N4 has drawn lots of attention due to its photocatalytic activity, low-cost and facile synthesis, interesting layered structure. However, improve some the properties g-C3N4, such as photochemical stability, electrical band structure, decrease charge recombination rate, towards effective light-harvesting, g-C3N4–metal oxide-based heterojunctions have been introduced. In this review, we initially discussed preparation, modification, physical then, combination with various metal oxides TiO2, ZnO, FeO, Fe2O3, Fe3O4, WO3, SnO, SnO2, etc. We summarized their characteristic these heterojunctions, optical features, performance, edge positions. This review covers recent advances, including applications in water splitting, CO2 reduction, photodegradation organic pollutants, sensors, bacterial disinfection, supercapacitors. show that can efficiency bare make composites suitable for a wide range applications. Finally, provides perspectives, limitations, challenges investigation g-C3N4–metal-oxide-based heterojunctions.

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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TiO2 nanostructures with different crystal phases for sensitive acetone gas sensors

Journal of Colloid and Interface Science, Journal Year: 2021, Volume and Issue: 607, P. 357 - 366

Published: Sept. 2, 2021

Language: Английский

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Metal oxide semiconductors for gas sensing

Engineering Reports, Journal Year: 2022, Volume and Issue: 5(6)

Published: Dec. 8, 2022

Abstract The usage of the gas sensor has been increasing very rapidly in industry and daily life for various potential applications. In recent years, metal oxide semiconductors (MOS) become primary choice designing highly sensitive, stable, low‐cost real‐life applications‐based sensors due to their inherent physical chemical properties. Researchers have proposed numerous sensing mechanisms explain functionality MOS‐based sensors. this review, we comprehensively covered different used MOS. We also discussed parameters affecting sensitivity selectivity Moreover, techniques enhance response are extensively covered. And finally, give our prospective on opportunities challenges future applications

Language: Английский

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Towards hospital-on-chip supported by 2D MXenes-based 5th generation intelligent biosensors

Biosensors and Bioelectronics, Journal Year: 2022, Volume and Issue: 220, P. 114847 - 114847

Published: Oct. 27, 2022

Language: Английский

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Emergence of MXene–Polymer Hybrid Nanocomposites as High‐Performance Next‐Generation Chemiresistors for Efficient Air Quality Monitoring

Advanced Functional Materials, Journal Year: 2022, Volume and Issue: 32(33)

Published: June 22, 2022

Abstract Air contamination is one of the foremost concerns environmentalists worldwide, which has elevated global public health for monitoring air contaminants and implementing appropriate safety policies. These facts have generated nascent demand exploring sustainable translational strategies required to engineer affordable, intelligent, miniaturized sensors because commercially available lack lower detection limits, room temperature operation, poor selectivity. The state‐of‐the‐art are concerned with architecting advanced nanomaterials achieve desired sensing performance. Recent studies demonstrate that neither pristine metal carbides/nitrides (MXenes) nor polymers (P) can address these practical challenges. However, synergistic combinations various precursors as hybrid‐nanocomposites (MXP‐HNCs) emerged superior materials develop next‐generation intelligent environmental, industrial, biomedical sensors. expected outcomes could be manipulative due optimizing physicochemical morphological attributes like tunable interlayer‐distance, optimum porosity, enlarged effective surface area, rich functionalities, mechanical flexibility, conductivity. This review intends detail a comprehensive summary advancements in MXP‐HNCs chemiresistors. Moreover, underlying phenomenon, chemiresistor architecture, their performance highlighted. Besides, an overview challenges, potential solutions, prospects field‐deployable integration IoT AI outlined.

Language: Английский

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Functionalization of Mesoporous Semiconductor Metal Oxides for Gas Sensing: Recent Advances and Emerging Challenges

Advanced Science, Journal Year: 2022, Volume and Issue: 10(1)

Published: Nov. 14, 2022

Abstract With the emerging of Internet Things, chemiresistive gas sensors have been extensively applied in industrial production, food safety, medical diagnosis, and environment detection, etc. Considerable efforts devoted to improving gas‐sensing performance through tailoring structure, functions, defects electrical conductivity sensitive materials. Among numerous materials, mesoporous semiconductor metal oxides possess unparalleled properties, including tunable pore size, high specific surface area, abundant metal–oxygen bonds, rapid mass transfer/diffusion behavior (Knudsen diffusion), which regarded as most potential Herein, synthesis strategies for are overviewed, classical functionalization techniques materials also systemically summarized a highlight, construction regulation micro‐nano structure (i.e., heterojunctions), noble sensitization (e.g., Au, Pt, Ag, Pd) heteroatomic doping C, N, Si, S). In addition, structure–function relationship has discussed at molecular‐atomic level, especially chemical effect, elucidating interface adsorption/catalytic mechanism. Moreover, challenges perspectives proposed, will open new door development intelligent sensor various applications.

Language: Английский

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Room-Temperature Semiconductor Gas Sensors: Challenges and Opportunities

ACS Sensors, Journal Year: 2022, Volume and Issue: 7(12), P. 3582 - 3597

Published: Nov. 18, 2022

Our demand for ubiquitous and reliable gas detection is spurring the design of intelligent enabling sensors next-generation Internet Things Artificial Intelligence. The desire to introduce everywhere fueled by opportunities create room-temperature semiconductor with ultralow power consumption. In this Perspective, we provide an overview recent achievement that have been translated from advances in chemical physical properties low-dimensional nanomaterials. emergence solution-processable nanomaterials opens up remarkable integrate into high-performance flexible using low-temperature, large-area, solution-based methods instead costly, high-vacuum, high-temperature device manufacturing processes. We review fundamental factors which affect receptor transducer functions sensors. also discuss challenges must be addressed move continuous miniaturization evolution

Language: Английский

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Learning From Plants: Lycopene Additive Passivation toward Efficient and “Fresh” Perovskite Solar Cells with Oxygen and Ultraviolet Resistance

Advanced Energy Materials, Journal Year: 2022, Volume and Issue: 12(25)

Published: May 11, 2022

Abstract Currently, the photovoltaic performance of perovskite solar cells (PSCs) is closely linked to undermined defects in perovskite, and correct approach ensure stability under practical conditions still dispute. Therefore, natural, healthy, low‐cost additives are expected not only reduce trap sites but also drastically improve stability. In this work, natural antioxidant additive lycopene extracted from tomatoes introduced into PSCs. The results indicate that can passivate grain boundaries, crystallinity, density, facilitate α phase formation at room temperature. As a result, power conversion efficiency (PCE) considerably improved 20.57% 23.62% with vastly enhanced J sc V oc . Additionally, eliminate UV‐induced free radicals light aging process. target device displays hydrophobic, antioxidative properties, which demonstrates high O 2 91.2% average PCE for 960 h, UV long‐term an 92.4% after 3500 h. This work provides strategy solve existing issues PSC devices through learning plants, paves way development environmentally friendly PSCs stability, on path toward industrialization.

Language: Английский

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