2D Heterostructures for Ubiquitous Electronics and Optoelectronics: Principles, Opportunities, and Challenges

Chemical Reviews, Год журнала: 2022, Номер 122(6), С. 6514 - 6613

Опубликована: Фев. 8, 2022

A grand family of two-dimensional (2D) materials and their heterostructures have been discovered through the extensive experimental theoretical efforts chemists, material scientists, physicists, technologists. These pioneering works contribute to realizing fundamental platforms explore analyze new physical/chemical properties technological phenomena at micro-nano-pico scales. Engineering 2D van der Waals (vdW) via chemical physical methods with a suitable choice stacking order, thickness, interlayer interactions enable exotic carrier dynamics, showing potential in high-frequency electronics, broadband optoelectronics, low-power neuromorphic computing, ubiquitous electronics. This comprehensive review addresses recent advances terms representative materials, general fabrication methods, characterization techniques vital role parameters affecting quality heterostructures. The main emphasis is on 3D-bulk (3D) hybrid systems exhibiting intrinsic quantum mechanical responses optical, valley, topological states. Finally, we discuss universality applications trends for future electronics optoelectronics (FEO) under challenges opportunities from physical, nanotechnological, synthesis perspectives.

Язык: Английский

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Two-dimensional nanomaterials: A critical review of recent progress, properties, applications, and future directions

Composites Part A Applied Science and Manufacturing, Год журнала: 2022, Номер 165, С. 107362 - 107362

Опубликована: Дек. 9, 2022

Язык: Английский

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Functional Carbon Nitride Materials in Photo‐Fenton‐Like Catalysis for Environmental Remediation

Advanced Functional Materials, Год журнала: 2022, Номер 32(24)

Опубликована: Май 12, 2022

Abstract Among various advanced oxidation processes, coupled photocatalysis and heterogeneous Fenton‐like catalysis (known as photo‐Fenton‐like catalysis) to generate highly reactive species for environmental remediation has attracted wide interests. As an emerging metal‐free photocatalyst, graphitic carbon nitride (g‐C 3 N 4 , CN) been recently recognized a promising candidate catalyze robustly reactions wastewater remediation. This review summarizes recent progress in fabricating types of CN‐based catalysts the reaction process. Innovative engineering strategies on CN matrix are outlined, ranging from morphology control, defect engineering, nonmetal atom doping, organic molecule doping modification by metal‐containing species. The catalytic activities loaded with auxiliary sub‐nanoscale (e.g., quantum dots, organometallic molecules, metal cations, single metals) nanoscale metal‐based materials critically evaluated. Hybridization bandgap‐matching semiconductors construction type‐II Z‐scheme heterojunctions also examined. critical factors morphology, dimensionality, light absorption, charge excitation/migration, sites, H 2 O generation activation) that determine performance photocatalysts systematically discussed. After examining structure–activity relationship, research perspectives proposed further development toward more efficient their application practical water treatment.

Язык: Английский

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The Emergence and Evolution of Borophene

Advanced Science, Год журнала: 2021, Номер 8(12)

Опубликована: Май 2, 2021

Neighboring carbon and sandwiched between non-metals metals in the periodic table of elements, boron is one most chemically physically versatile can be manipulated to form dimensionally low planar structures (borophene) with intriguing properties. Herein, theoretical research experimental developments synthesis borophene, as well its excellent properties application many fields, are reviewed. The decade-long effort toward understanding size-dependent clusters theory-directed including bottom-up approaches based on different foundations, up-down exfoliation modes, key factors influencing synthetic effects, comprehensively summarized. Owing chemical, electronic, mechanical, thermal properties, borophene has shown great promise supercapacitor, battery, hydrogen-storage, biomedical applications. Furthermore, nanoplatforms used various applications, such bioimaging, drug delivery, photonic therapy, highlighted. Finally, progress, challenges, perspectives for future development large-scale production other prospective applications discussed.

Язык: Английский

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A Rising 2D Star: Novel MBenes with Excellent Performance in Energy Conversion and Storage

Nano-Micro Letters, Год журнала: 2022, Номер 15(1)

Опубликована: Дек. 6, 2022

As a flourishing member of the two-dimensional (2D) nanomaterial family, MXenes have shown great potential in various research areas. In recent years, continued growth interest MXene derivatives, 2D transition metal borides (MBenes), has contributed to emergence this material as latecomer. Due excellent electrical conductivity, mechanical properties and properties, thus MBenes attract more researchers' interest. Extensive experimental theoretical studies that they exciting energy conversion electrochemical storage potential. However, comprehensive systematic review applications not been available so far. For reason, we present summary advances research. We started by summarizing latest fabrication routes MBenes. The focus will then turn their for conversion. Finally, brief challenges opportunities future practical is presented.

Язык: Английский

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Vaccine-like nanomedicine for cancer immunotherapy

Journal of Controlled Release, Год журнала: 2023, Номер 355, С. 760 - 778

Опубликована: Фев. 24, 2023

Язык: Английский

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A Unified Therapeutic–Prophylactic Tissue‐Engineering Scaffold Demonstrated to Prevent Tumor Recurrence and Overcoming Infection toward Bone Remodeling

Advanced Materials, Год журнала: 2023, Номер 35(25)

Опубликована: Март 20, 2023

Osteosarcoma occurs in children and adolescents frequently leads to a high fatality rate. Although surgical resection is the most common methods clinic, patients always suffer from tumor metastasis recurrence it difficult for them self-repair large bone defects. Furthermore, postoperative infection bacteria triggers an inflammatory response hinders bone-repair process. This work demonstrates gadolinium (Gd)-complex molybdenum sulfide (MoS2 ) co-doped N-acryloyl glycinamide (NAGA)/gelatin methacrylate (Gel-MA) multifunctional hydrogel (GMNG). The combination between NAGA Gel-MA endows GMNG with attractive mechanical properties controllable degradation ability. MoS2 improves system, which has excellent photothermal ability kill cells inhibit bacterial both vitro vivo. Based on Gd-complex, magnetic resonance imaging (MRI) effect can be used monitor position situation of hydrogel. Notably, accompanied by hydrogel, gradually released Gd3+ exhibits osteogenic property could promote new formation efficiently Therefore, this strategy supplies method prepare bone-defect-repair materials expected represent significant guidance reference development biomaterials tissue engineering.

Язык: Английский

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Emerging two-dimensional materials: Synthesis, physical properties, and application for catalysis in energy conversion and storage

The Innovation Materials, Год журнала: 2024, Номер 2(1), С. 100060 - 100060

Опубликована: Янв. 1, 2024

<p>Inorganic, organic, and hybrid two-dimensional (2D) materials are being developed for ever-expanding numbers of applications, though energy catalysis remain the main drivers their development. We present overviews bottom-up top-down synthetic strategies such examine manufacturing scalability issues. Mechanical, electrical, thermal properties modulation highlighted because they fundamental to above-mentioned drivers. The burgeoning importance heterostructures in materials, particularly electrode design function is stressed. Detailed attention given applications 2D electrocatalysis reactions: oxygen reduction, evolution, hydrogen carbon dioxide nitrogen reduction. Water splitting, reduction by photocatalysis also examined. A perspective expected advances expansion types with a focus on heterostructure development, presented conclusion.</p>

Язык: Английский

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Recent advances in borophene nanosheet for supercapacitor application: Mini review

Journal of Energy Storage, Год журнала: 2024, Номер 84, С. 110857 - 110857

Опубликована: Фев. 13, 2024

Borophene is a single atom layer of boron, which novel material, stronger and more flexible than graphene has got attention opened new arena in the field supercapacitor due to excellent electrical, thermal, chemical mechanical properties. The borophene possesses density states around Fermi level mainly originated by pz orbital instead px py, Dirac cone exhibits enhanced quantum capacitance, surface storage charges integrated turn enhancing its specific capacitance. This review covers theoretical prediction uniqueness over graphene. Also, summarizes different synthesis methods nanosheets such as bottom-up well top-down approaches with their merits demerits. predictions experimental observations nanocomposite for applications are reviewed detail. Furthermore, prospects challenges developing nanosheet addressed along summary.

Язык: Английский

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The rise of borophene

Progress in Materials Science, Год журнала: 2024, Номер 146, С. 101331 - 101331

Опубликована: Июнь 25, 2024

Borophene stands out uniquely among Xenes with its metallic character, Dirac nature, exceptional electron mobility, thermal conductivity, and Young's moduli—surpassing graphene. Invented in 2015, various methods, including atomic layer deposition, molecular beam epitaxy, chemical vapor have successfully been demonstrated to realize substrate-supported crystal growth. Top-down approaches like micromechanical, sonochemical, solvothermal modified hummer's techniques also employed. Thanks high electronic borophene serves as an active material for ultrafast sensing of light, gases, molecules, strain. Its behaviour, electrochemical activity, anti-corrosive nature make it ideal applications energy storage catalysis. It has proven effective electrocatalyst HER, OER, water splitting, CO2 reduction, NH3 reduction reactions. Beyond this, found utility bioimaging, biosensing, biomedical applications. A special emphasis will be given on the nanoarchitectonics i.e. doped borophene-based hybrids other 2D materials nanoparticles theoretical understanding these emerging systems gain more insights their structure properties, aiming manipulate tailored

Язык: Английский

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