Ion irradiation/implantation induced defect engineering and modification in graphene derivatives-based nanocomposites: Energy storage/conversion and sensor

Journal of Energy Storage, Journal Year: 2024, Volume and Issue: 83, P. 110650 - 110650

Published: Feb. 3, 2024

Language: Английский

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Overcoming the Limits of Cross-Sensitivity: Pattern Recognition Methods for Chemiresistive Gas Sensor Array

Nano-Micro Letters, Journal Year: 2024, Volume and Issue: 16(1)

Published: Aug. 14, 2024

Abstract As information acquisition terminals for artificial olfaction, chemiresistive gas sensors are often troubled by their cross-sensitivity, and reducing cross-response to ambient gases has always been a difficult important point in the sensing area. Pattern recognition based on sensor array is most conspicuous way overcome cross-sensitivity of sensors. It crucial choose an appropriate pattern method enhancing data analysis, errors improving system reliability, obtaining better classification or concentration prediction results. In this review, we analyze mechanism We further examine types, working principles, characteristics, applicable detection range algorithms utilized gas-sensing arrays. Additionally, report, summarize, evaluate outstanding novel advancements methods identification. At same time, work showcases recent utilizing these identification, particularly within three domains: ensuring food safety, monitoring environment, aiding medical diagnosis. conclusion, study anticipates future research prospects considering existing landscape challenges. hoped that will make positive contribution towards mitigating gas-sensitive devices offer valuable insights algorithm selection applications.

Language: Английский

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Flatland of Graphene's derivatives: Classification, synthesis, mechanisms, role of defects, applications, and prospectives

Coordination Chemistry Reviews, Journal Year: 2025, Volume and Issue: 528, P. 216421 - 216421

Published: Jan. 8, 2025

Language: Английский

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Next‐Generation Chemiresistive Wearable Breath Sensors for Non‐Invasive Healthcare Monitoring: Advances in Composite and Hybrid Materials

Small, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 19, 2025

Abstract Recently wearable breath sensors have received significant attention in personalized healthcare systems by offering new methods for remote, non‐invasive, and continuous monitoring of various health indicators from samples without disrupting daily routines. The rising demand rapid, diagnostics has sparked concerns over electronic waste short‐lived silicon‐based devices. To address this issue, the development flexible sensing applications is a promising approach. Research highlights different flexible, operating with principles, such as chemiresistive to detect specific target analytes due their simple design, high sensitivity, selectivity, reliability. Further, focusing on non‐invasive detection biomarkers through exhaled breath, offer comprehensive environmentally friendly solution. This article presents discussion recent advancement biomarkers. further emphasizes intricate functioning sensor, including selection criteria both substrate advanced functional materials, mechanisms. review then explores potential gas disease detection, modern challenges associated sensors.

Language: Английский

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The applications of flexible electronics in dental, oral, and craniofacial medicine

npj Flexible Electronics, Journal Year: 2024, Volume and Issue: 8(1)

Published: May 29, 2024

Abstract Dental, oral, and craniofacial diseases jeopardize health reduce the quality of life. Accessing disease-related signals in advance is beneficial to prevent occurrence or progression those diseases. However, inconvenience periodical in-hospital examinations difficulty sustaining daily monitoring challenge personal compliance possibly lead limited prevention treatment. Medical flexible electronics are electric devices fabricated on soft extensible substrates fit human skin enable non-invasive continuous biophysical/biochemical signals. They provide possibility long-term, continuous, comfortable, wireless healthcare expected alleviate time economic consumption by avoiding Therefore, have emerged for early diagnosis disease stomatology. It noteworthy that special characteristics environment dental, areas bring distinct challenges need address ingeniously ensure their stability, selectivity, sensitivity. This review summaries specificity when used applications, including saliva cavity-gas related biosignals, sensing mechanical fluctuation from facial muscle/respiratory activities orthodontic forces, executing functions postoperative recovery relevant Furthermore, after analyzing current proposing potential solutions, “5I” principles imperceptibility, intelligence, individualization, integration, inexpensiveness presented help guide future development promote commercialization medicine.

Language: Английский

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Recent Advances in Advanced Micro and Nanomanufacturing for Wastewater Purification

ACS Applied Engineering Materials, Journal Year: 2024, Volume and Issue: 2(2), P. 262 - 285

Published: Jan. 25, 2024

Amid global concerns over water scarcity and escalating environmental pollution, there has been a surge in research innovation for pioneering wastewater purification technologies. Advanced micro nanomanufacturing methods emerge as promising avenues to enhance conventional treatment efficiency. This review guides readers through recent advancements, merging precision engineering at micro/nanoscales with intricacies, yielding transformative solutions. Exploring lithography-based techniques, additive manufacturing, self-assembly, microfluidics, it uncovers diverse approaches crafting materials interact neutralize pollutants. The manuscript navigates the fusion of micro/nanomanufacturing urgent need clean water. By showcasing empowered surpassing traditional treatment, tackles expanding pollutant challenges. Beyond compiling breakthroughs, this seeks inspire future by illuminating how manufacturing can address holding potential combat safeguard ecosystems generations.

Language: Английский

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Selective Detection of NH₃ Gas by Ti₃C₂T_x Sensors with the PVDF-ZIF-67 Overlayer at Room Temperature

ACS Sensors, Journal Year: 2024, Volume and Issue: 9(3), P. 1465 - 1474

Published: Feb. 27, 2024

In the realm of NH3 gas-sensing applications, electrically conductive nature Ti3C2Tx MXene, adorned with surface terminations such as −O and −OH groups, renders it a compelling material. However, inherent challenges atmospheric instability selectivity in presence gas mixtures have prompted exploration innovative solutions. This work introduces strategic solution through deposition mixed-matrix membrane (MMM) composed poly(vinylidene fluoride) (PVDF) matrix zeolitic imidazolate framework-67 (ZIF-67) filler. composite acts selective filter, permitting passage specific gas, namely NH3. Leveraging hydrophobic chemically inert PVDF, MMM enhances stability by impeding water molecules from interacting MXene. Furthermore, ZIF-67 is to via acid–base interactions within zeolite group pore size. The sensor embedded filter exhibits modest 1.3% change sensing response 25 ppm compared without filter. result underscores filter's effectiveness conferring diffusivity, particularly at 35% relative humidity (RH) °C. Crucially, attributes PVDF impart heightened even amidst varying RH conditions. These results not only demonstrate effective detection but also highlight sensor's adaptability diverse environmental conditions, offering promising prospects for practical applications.

Language: Английский

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Controlling the Spatiotemporal Self-Organization of Stimuli-Responsive Nanocrystals under Out-of-Equilibrium Conditions

Journal of the American Chemical Society, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 3, 2025

Self-organization under out-of-equilibrium conditions is ubiquitous in natural systems for the generation of hierarchical solid-state patterns complex structures with intricate properties. Efforts applying this strategy to synthetic materials that mimic biological function have resulted remarkable demonstrations programmable self-healing and adaptive materials. However, extension these efforts multifunctional stimuli-responsive across defined spatial distributions remains an unrealized technological opportunity. This paper describes use a nonequilibrium reaction–diffusion process achieve synthesis electrically conductive metal–organic framework (cMOF) gelled medium control over particle size periodicity on macroscopic scale. Upon integration into chemiresistive devices, resulting cMOF particles exhibit size-dependent response toward hydrogen sulfide gas, as determined by their distinct surface-to-volume ratio, porosity, unique methodology, unusual microcrystallite morphology compared counterparts obtained through bulk solution phase synthesis. Taken altogether, achievements pave way gaining access functional nanomaterials well-defined chemical composition, dimensions, precisely tailored functions using far-from-equilibrium approaches.

Language: Английский

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Study on the Impact of Minor Ambient Temperature Variations on the Gas Sensing Performance of Zinc Cobaltate Semiconductor Metal Oxide Sensor for Toluene Detection

Sensors and Actuators B Chemical, Journal Year: 2025, Volume and Issue: 433, P. 137570 - 137570

Published: March 5, 2025

Language: Английский

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Nanoengineered PDMS/Pd/ZnO-Based Sensor to Improve Detection of H₂ Dissolved Gas in Oil at Room Temperature

ACS Sensors, Journal Year: 2025, Volume and Issue: unknown

Published: April 4, 2025

The current research aims to synthesize zinc oxide decorated with palladium nanoparticles and develop a stable sensor high sensitivity hydrogen gas dissolved in oil. ZnO nanorods (NR) were synthesized by hydrothermal method directly onto commercial board gold interdigital electrodes, followed functionalization Pd (NP) drop casting. SEM images show NRs an average diameter of ∼220 nm spherical NPs diameters 35-75 nm. Finally, the sensing properties examined immersing into insulating mineral oil closed system, where different H2 concentrations (from 0 up 500 ppm) injected headspace then oil, according Ostwald coefficient. All measurements carried out at room temperature. electrical characterization showed that our had good repeatability, stability, detect lower (less than 10 ppm). Additionally, nanoengineered porous layer PDMS was prepared over through spin coating heat treatment, reached ∼2.8 ppm gas. Our findings indicate methodology applied improves detection performance industrial applications its potential use for real-time monitoring.

Language: Английский

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