High spectral responsivity and specific detectivity of p-MoS2/n-Si heterojunction photodetector for near-IR detection via facile solution process

Journal of Materials Science Materials in Electronics, Journal Year: 2023, Volume and Issue: 34(28)

Published: Oct. 1, 2023

Language: Английский

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Engineering the Interfacing of Molecules with 2D Transition Metal Dichalcogenides: Enhanced Multifunctional Electronics

Accounts of Chemical Research, Journal Year: 2024, Volume and Issue: 57(17), P. 2532 - 2545

Published: Aug. 19, 2024

ConspectusEngineering all interfaces between different components in electronic devices is the key to control and optimize fundamental physical processes such as charge injection at metal-semiconductor interfaces, gate modulation dielectric-semiconductor interface, carrier semiconductor-environment interfaces. The use of two-dimensional (2D) crystals semiconductors, by virtue their atomically flat dangling bond-free structures, can facilitate tailoring effectively. In this context, 2D transition metal dichalcogenides (TMDs) have garnered tremendous attention over past two decades owing exclusive outstanding chemical characteristics strong light-matter interactions high mobility. These properties position them promising building blocks for next-generation semiconductor materials. combination large specific surface area, unique structure, highly sensitive environmental changes makes TMDs appealing platforms applications optoelectronics sensing. While a broad arsenal has been made available that exhibit variety properties, latter are unfortunately hardly tunable. To overcome problem, controlled functionalization with molecules assemblies thereof represents most powerful strategy finely tune electronics. Such be used not only encapsulate material, therefore enhancing its stability air, but also impart dynamic, stimuli-responsive selectively recognize presence given analyte environment, demonstrating unprecedented application potential.In Account, we highlight enlightening recent progress on interface engineering TMD-based via covalent noncovalent suitably designed molecules, underlining remarkable synergies achieved. electrode allows modulating extraction, dielectric substrate enables tuning concentration device channel, upper screening interaction environment imparts molecular functionality devices, making versatile various applications. tailored enable enhanced performance open up avenues practical This Account specifically focuses our endeavor unusual conferred through or assemblies. includes electrode-functionalized modulable carriers, molecular-bridged TMD network overall electrical sensor responsive external particular, electrochemically switchable transistors react electrochemical signals, optically light inputs, multiresponsive simultaneously respond multiple stimuli including optical, electrical, redox, thermal, magnetic inputs development memories, artificial synapses, logic inverters. By presenting current challenges, opportunities, prospects blooming research field, will discuss integration strategies digital circuitries, outlining future directions potential breakthroughs engineering.

Language: Английский

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2D‐MoX₂ (X = S, Se, Te) and Their Nanocomposite Toward Sensing Application: A Review

Particle & Particle Systems Characterization, Journal Year: 2024, Volume and Issue: unknown

Published: Oct. 21, 2024

Abstract 2D materials, owing to their nearly atomic thickness, have emerged as promising candidates across a broad spectrum of next‐generation devices and systems. In the post‐graphene era, molybdenum‐based dichalcogenides (MoX2, where X = S, Se, Te), possessing graphene‐like structure, represent one most subsets among transition metal (TMDs) due extensively researched distinctive electronic, optical, mechanical properties. Further with distinct properties different phases (2H, 1T) make it attractive for both fundamental applied research. It finds diverse applications, spanning from optoelectronics catalysis sensor development. this review article, unique crystal structural MoX 2 are highlighted synthesis methods, incorporating recent advancements in approaches discussed. Subsequently development nanocomposite based on carbon, metal, oxide various polymer Finally, key challenges impeding advancement sensing applications propose avenues future development, drawing upon current progress nanocomposites also find mention review.

Language: Английский

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Functionalized 2D transition metal dichalcogenide inks via liquid‐phase exfoliation for practical applications

Bulletin of the Korean Chemical Society, Journal Year: 2023, Volume and Issue: 45(2), P. 110 - 124

Published: Dec. 28, 2023

Abstract Transition metal dichalcogenides (TMDs) are promising 2D materials which attracting significant interest because of their distinctive physicochemical properties. The possibility being exfoliated and dispersed in liquid solutions offers a viable pathway to scalable production. This personal account focuses on recent advancements TMD inks produced by liquid‐phase exfoliation (LPE) methods intercalation‐based electrochemical exfoliation. In particular, different LPE production strategies, like ultrasonication LPE, high‐shear mixing exfoliation, microfluidization, introduced alongside broad range media employed provide functionalized inks. main advantage is its scalability, for practical applications printed optoelectronics, energy storage, conversion. Furthermore, the chemical functionalization can solve poor electrical conductivity attributed edge defects inherent Finally, ultimate orientations future chemically devices forecasted, with specific focus wearable flexible electronics.

Language: Английский

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Chemiresistive Sensing of Nitroaromatic Compounds Using Imidazolate MOF

Sensing and Imaging, Journal Year: 2024, Volume and Issue: 25(1)

Published: May 9, 2024

Language: Английский

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Light‐Modulated Humidity Sensing in Spiropyran Functionalized MoS₂ Transistors

Small, Journal Year: 2024, Volume and Issue: unknown

Published: Sept. 12, 2024

Abstract The optically tuneable nature of hybrid organic/inorganic heterostructures tailored by interfacing photochromic molecules with 2D semiconductors (2DSs) can be exploited to endow multi‐responsiveness the exceptional physical properties 2DSs. In this study, a spiropyran‐molybdenum disulfide (MoS 2 ) light‐switchable bi‐functional field‐effect transistor is realized. spiropyran‐merocyanine reversible photo‐isomerization has been employed remotely control both electron transport and wettability structure. This manipulation instrumental for tuning sensitivity in humidity sensing. heterostructure subjected testing, demonstrating its ability accurately monitor relative (RH) across range 10%–75%. electrical output shows good 1.0% · (%) RH −1 . light‐controlled modulation chemical sensors significantly improve their selectivity, versatility, overall performance

Language: Английский

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Nanomaterials as Inks for Electrochemical Paper-Based Analytical Devices for Biosensing, Pharmaceutical Analysis and Environmental Monitoring

Nanostructure science and technology, Journal Year: 2024, Volume and Issue: unknown, P. 237 - 289

Published: Jan. 1, 2024

Language: Английский

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