Solution-Processable and Printable Two-Dimensional Transition Metal Dichalcogenide Inks

Chemical Reviews, Journal Year: 2024, Volume and Issue: 124(9), P. 5795 - 5845

Published: April 19, 2024

Two-dimensional (2D) transition metal dichalcogenides (TMDs) with layered crystal structures have been attracting enormous research interest for their atomic thickness, mechanical flexibility, and excellent electronic/optoelectronic properties applications in diverse technological areas. Solution-processable 2D TMD inks are promising large-scale production of functional thin films at an affordable cost, using high-throughput solution-based processing techniques such as printing roll-to-roll fabrications. This paper provides a comprehensive review the chemical synthesis solution-processable printable ink materials subsequent assembly into applications. We start principles protocols various methods nanosheet crystals solution phase. The depositing solid-state discussed. Then, we these areas including electronics, optoelectronics, others. To conclude, summary key scientific/technical challenges future opportunities is provided.

Language: Английский

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Progress in design and applications of supramolecular assembly of 2,2′:6′,2″-terpyridine-based first row d-block elements

Coordination Chemistry Reviews, Journal Year: 2024, Volume and Issue: 506, P. 215619 - 215619

Published: Feb. 16, 2024

Language: Английский

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Atomically dispersed Co-N4 to activate peroxymonosulfate for efficient atrazine degradation: Synergistic radical and non-radical ways

Applied Surface Science, Journal Year: 2024, Volume and Issue: 661, P. 160066 - 160066

Published: April 7, 2024

Cobalt based nanomaterials are widely employed as effective catalysts for peroxymonosulfate (PMS) activation in advanced oxidation processes (AOPs). Single atom (SACs) state-of-the-art materials that endow active metal sites with maximal exposure to the reactants. In this study, molybdenum disulfide nanospheres a crumpled surface (cnMoS2) were designed and synthesized decorate atomically dispersed Co-N4 by immobilizing Co its unique fold structure nitrogen/carbon coating. The resulting Co-N-C-cnMoS2 used activate PMS rapid degradation of atrazine (ATZ). considered be main sites, enabling optimal 4.8Co-N-C-cnMoS2 catalyst remove 100 % ATZ within 20 min. addition, also showed good durability, tolerance inorganic anions cations, high activity wide pH range. cnMoS2 provided platform hold played roles though it was secondary, moreover accelerated Co2+/Co3+ cycles. 4.8Co-N-C-cnMoS2/PMS system, sulfate radical (SO4• ‾), hydroxyl radicals (•OH), superoxide (O2• ‾) singlet oxygen (1O2) generated, among which SO4• ‾ 1O2 predominant substances triggering degradation.

Language: Английский

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Advances in two‐dimensional transition metal dichalcogenides‐based sensors for environmental, food, and biomedical analysis: A review

Luminescence, Journal Year: 2024, Volume and Issue: 39(3)

Published: March 1, 2024

Abstract Transition metal dichalcogenides (TMDCs) are versatile two‐dimensional (2D) nanomaterials used in biosensing applications due to their excellent physical and chemical properties. Due biomaterial target properties, biosensors' most significant challenge is improving sensitivity stability. In environmental analysis, TMDCs have demonstrated exceptional pollutant detection removal capabilities. Their high surface area, tunable electronic reactivity make them ideal for sensors adsorbents targeting various contaminants, including heavy metals, organic pollutants, emerging contaminants. Furthermore, unique optical properties enable sensitive techniques, enhancing our ability monitor mitigate pollution. the food TMDCs‐based shown remarkable potential ensuring safety quality. These exhibit specificity detecting pathogens, adulterants matrices. integration into sensor platforms enables rapid on‐site reducing reliance on centralized laboratories facilitating timely interventions supply chain. biomedical studies, strides diagnostic therapeutic applications. biocompatibility, functionalization versatility, photothermal paved way novel disease detection, drug delivery, targeted therapy approaches. Moreover, promise imaging modalities, providing enhanced contrast resolution medical techniques. This article provides a comprehensive overview of 2D biosensors, emphasizing growing demand advanced sensing technologies environmental, food, analysis.

Language: Английский

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Chemically Functionalized 2D Transition Metal Dichalcogenides for Sensors

Sensors, Journal Year: 2024, Volume and Issue: 24(6), P. 1817 - 1817

Published: March 12, 2024

The goal of the sensor industry is to develop innovative, energy-efficient, and reliable devices detect molecules relevant economically important sectors such as clinical diagnoses, environmental monitoring, food safety, wearables. current demand for portable, fast, sensitive, high-throughput platforms a plethora new analytes continuously increasing. 2D transition metal dichalcogenides (2D-TMDs) are excellent candidates fully meet stringent demands in industry; 2D-TMDs properties, atomic thickness, large surface area, tailored electrical conductivity, match those descriptions active materials. However, detection capability limited by their intrinsic tendency aggregate settle, which reduces area available detection, addition weak interactions that pristine normally exhibit with analytes. Chemical functionalization has been proposed consensus solution these limitations. Tailored modification 2D-TMDs, either covalent functionalization, non-covalent or mixture both, allows improved specificity surface-analyte interaction while reducing van der Waals forces between avoiding agglomeration precipitation. From this perspective, we review recent advances improving biomolecules, heavy metals, gases using chemically functionalized 2D-TMDs. Covalent commonly used biomolecules nanoparticles gas Raman sensors. Finally, describe limitations further strategies might pave way miniaturized, flexible, smart, low-cost sensing devices.

Language: Английский

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Biosensor materials: An introduction

Elsevier eBooks, Journal Year: 2025, Volume and Issue: unknown, P. 1 - 21

Published: Jan. 1, 2025

Language: Английский

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Molybdenum Disulfide Nanocomposites for Cancer Diagnosis and Therapeutics: Biosensors, Bioimaging, and Phototherapy

Advanced Healthcare Materials, Journal Year: 2025, Volume and Issue: unknown

Published: April 27, 2025

Abstract Molybdenum disulfide (MoS₂) nanomaterials have attracted significant interest in cancer diagnosis and therapy due to their unique physicochemical properties. Due its extensive surface area adaptable structure, MoS₂ may engage with pharmaceuticals biomolecules via covalent non‐covalent interactions. This versatility enhances the sensitivity of identifying specific biomarkers, colloidal stability, tumor‐targeting capabilities. In near‐infrared (NIR) spectrum, exhibits strong optical absorption efficient photothermal conversion, making it suitable for NIR‐driven phototherapy regulated medication release. Functionalized nanocomposites react differently tumor microenvironment, which improves treatment effectiveness by increasing drug accumulation at sites decreasing off‐target effects on healthy tissues. Recent developments MoS₂‐based detection are reviewed this study, particular attention paid uses therapy, photodynamic biosensing, bioimaging. Additionally, looks difficulties potential applications cancer.

Language: Английский

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Emergent high conductivity in size-selected graphene networks

Carbon, Journal Year: 2023, Volume and Issue: 218, P. 118642 - 118642

Published: Nov. 18, 2023

Nanomaterial networks are attractive for a diverse range of printed device applications including electronics, sensing, energy capture and storage. At present, the influence morphology on network properties, such as electrical transport, is poorly understood. Here, we develop an understanding structure-property relationships in these systems by performing size selection from bulk to few-layer graphene. We observe size-dependent conductivity spontaneously during film formation, with smallest nanosheets realizing exceeding 105 S/m, record value liquid-exfoliated graphene competitive electrochemically-exfoliated Given high exhibited networks, applicability model layered nanosheet system, explore use this size-selected thermoelectric applications. interpret our conductivities obtained terms packing its number density nature inter-sheet junctions. This work represents approach overcome junction-limited electronic transport enable nanoparticulate

Language: Английский

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Hybrid MoSe₂/P3HT Transistor for Real-Time Ammonia Sensing in Biofluids

ACS Applied Materials & Interfaces, Journal Year: 2024, Volume and Issue: 16(24), P. 30648 - 30657

Published: June 6, 2024

Organic and inorganic hybrid field-effect transistors (FETs), utilizing layered molybdenum diselenide (MoSe2) an organic semiconductor poly(3-hexylthiophene) (P3HT), are presented for biosensing applications. A new device structure that combines (P3HT) components is showcased accurate selective bioanalyte detection in human bodily fluids to overcome 2D-transition metal dichalcogenides (TMDs) nonspecific interactions. This utilizes semiconductors' high surface-to-volume ratio, carrier transport, conductivity biosensing. Ammonia concentrations saliva plasma closely linked physiological pathological conditions of the body. highly sensitive FET biosensor detects total ammonia (NH4+ NH3) from 0.5 μM 1 mM concentrations, with a limit 0.65 fluids. The sensor's specificity artificial against interfering species showcased. Furthermore, fabricated exhibits stable repeatable response both plasma, achieving remarkable level 2300 at concentration ammonia, surpassing existing literature by 10-fold. platform holds significant promise developing precise tool real-time monitoring biological fluids, offering potential applications point-of-care diagnostics.

Language: Английский

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Bismuth-MXene nanocomposite: A low-cost portable solution for zinc (II) detection in water for safer environmental monitoring

Sensors and Actuators B Chemical, Journal Year: 2024, Volume and Issue: 418, P. 136219 - 136219

Published: July 14, 2024

The development of a portable and cost-effective sensor for detecting zinc ions (Zn (II)) in water addresses crucial need real-time monitoring heavy metal environmental contamination. To this, here, novel bismuth-MXene (Bi2S3-MXene) nanocomposite-based is developed the rapid selective detection Zn (II) with simple procedure. exceptionally nanocomposites were capable through square-wave anodic stripping voltammetry (SWASV) technique linearity range up to 3 µg/mL, achieving limit (LOD) 7 ng/mL quantification (LOQ) 22 correlation coefficient R2 =0.9825. Subsequently, content real tap sea was successfully determined sensitivity practical applicability. demonstrated several advantages water, including setup process, fast times, high sensitivity, more selectivity portability. While this study focuses on detection, platform suggests it could potentially be adapted other metals future research. This work broadens potential applications nanomaterial-based sensors regular monitoring.

Language: Английский

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