Applications of 2D MXenes in energy conversion and storage systems

Chemical Society Reviews, Journal Year: 2018, Volume and Issue: 48(1), P. 72 - 133

Published: Nov. 2, 2018

This article provides a comprehensive review of MXene materials and their energy-related applications.

Language: Английский

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Two-dimensional transition metal carbides and nitrides (MXenes) for biomedical applications

Chemical Society Reviews, Journal Year: 2018, Volume and Issue: 47(14), P. 5109 - 5124

Published: Jan. 1, 2018

MXenes with an ultrathin structure and fascinating physiochemical (electronic, optical, magnetic, etc.) properties have great potential for biomedical applications, such as biosensors, antibacterial materials, bioimaging probes, therapeutics, theranostics.

Language: Английский

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Two-dimensional MXenes: From morphological to optical, electric, and magnetic properties and applications

Physics Reports, Journal Year: 2020, Volume and Issue: 848, P. 1 - 58

Published: Jan. 22, 2020

MXenes, generally referring to two-dimensional (2D) transition-metal carbides, nitrides, and carbonitrides, have received tremendous attention since the first report in 2011. Extensive experimental theoretical studies unveiled their enormous potential for applications optoelectronics, photonics, catalysis, many other areas. Because of intriguing mechanical electronic properties, together with richness elemental composition chemical decoration, MXenes are poised provide a new 2D nanoplatform advanced optoelectronics. This comprehensive review, intended broad multidisciplinary readership, highlights state-of-the-art progress on MXene theory, materials synthesis techniques, morphology modifications, opto-electro-magnetic applications. The efforts exploring device performance limits, steric configurations, physical mechanisms, novel application boundaries comprehensively discussed. review is concluded compelling perspective, outlook as well non-trivial challenges future investigation MXene-based nano-optoelectronics.

Language: Английский

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Emerging 2D MXenes for supercapacitors: status, challenges and prospects

Chemical Society Reviews, Journal Year: 2020, Volume and Issue: 49(18), P. 6666 - 6693

Published: Jan. 1, 2020

MXenes refer to a family of 2D transition metal carbides/nitrides that are rich in chemistry. The first member the family, Ti3C2Tx, was reported 2011. Since then have opened up an exciting new field inorganic functional materials by virtue their intrinsic electronic conductivity, superior hydrophilicity, surface chemistry and layered structure, as evidenced fact number papers on has increased exponentially. unique properties ease processing positioned them promising for variety applications including energy storage, especially supercapacitors. In this review, we aim summarize current advances MXene research We begin reviewing various fabrication routes influence structure MXenes. properties, stability, species introduced. focus turns capacitive energy-storage mechanisms factors determining electrochemical behavior performance Besides, types MXene-based supercapacitors summarized highlight significance constructing storage devices. Finally, challenges prospects booming proposed promote further development

Language: Английский

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Synthesis, structure, properties and applications of MXenes: Current status and perspectives

Ceramics International, Journal Year: 2019, Volume and Issue: 45(15), P. 18167 - 18188

Published: June 21, 2019

Language: Английский

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Insights into 2D MXenes for Versatile Biomedical Applications: Current Advances and Challenges Ahead

Advanced Science, Journal Year: 2018, Volume and Issue: 5(10)

Published: July 19, 2018

Great and interdisciplinary research efforts have been devoted to the biomedical applications of 2D materials because their unique planar structure prominent physiochemical properties. Generally, ceramic-based biomaterials, fabricated by high-temperature solid-phase reactions, are preferred as bone scaffolds in hard tissue engineering controllable biocompatibility satisfactory mechanical property, but potential disease theranostics paid much less attention, mainly due lack related material functionalities for possibly entering circulating within vascular system. The emerging MXenes, a family ultrathin atomic nanosheet derived from MAX phase ceramics, currently booming novel inorganic nanosystems biologic applications. metallic conductivity, hydrophilic nature, other performances make it possible MXenes meet strict requirements biomedicine. This work introduces very recent progress paradigms state-of-the-art applications, focusing on design/synthesis strategies, therapeutic modalities, diagnostic imaging, biosensing, antimicrobial, biosafety issues. It is highly expected that elaborately engineered nanosheets will become one most attractive biocompatible nanoplatforms multiple extensive profit clinical translation nanomedicine.

Language: Английский

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2D MXenes: Tunable Mechanical and Tribological Properties

Advanced Materials, Journal Year: 2021, Volume and Issue: 33(17)

Published: March 18, 2021

Abstract 2D transition metal carbides, nitrides, and carbonitrides, known as MXenes, were discovered in 2011 have grown to prominence energy storage, catalysis, electromagnetic interference shielding, wireless communications, electronic, sensors, environmental biomedical applications. In addition their high electrical conductivity electrochemically active behavior, MXenes’ mechanical properties, flexibility, strong adhesion properties play crucial roles almost all of these growing Although prove be critical impressive performance, the tribological understanding well relation synthesis process, is yet fully explored. Here, a fundamental overview provided effects compositions, synthesis, processing steps on are discussed. Additionally, perspective compositional control MXenes for innovative structural, low‐friction, low‐wear performance current upcoming applications provided. It established here that behavior essential quickly

Language: Английский

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Boosting the Photocatalytic Ability of Cu₂O Nanowires for CO₂ Conversion by MXene Quantum Dots

Advanced Functional Materials, Journal Year: 2018, Volume and Issue: 29(2)

Published: Nov. 19, 2018

Abstract MXene quantum dots (QDs) are emerging 0D nanomaterials. Here, a new heterostructure is developed based on 1D photoactive semiconductor and QD for improved photocatalytic reduction of CO 2 into methanol. Specifically, Ti 3 C QDs incorporated onto Cu O nanowires (NWs) through simple self‐assembly strategy. It demonstrated that not only significantly improve the stability NWs but also greatly their photocatatlytic performance by enhancing charge transfer, transport, carrier density, light adsorption, as well decreasing band bending edge recombination. The energy level diagram derived from both experimental measurements theoretical calculations provide further insights such hierarchical photocatalysis system.

Language: Английский

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Inorganic nanomaterials with rapid clearance for biomedical applications

Chemical Society Reviews, Journal Year: 2021, Volume and Issue: 50(15), P. 8669 - 8742

Published: Jan. 1, 2021

Inorganic nanomaterials that have inherently exceptional physicochemical properties (e.g., catalytic, optical, thermal, electrical, or magnetic performance) can provide desirable functionality drug delivery, diagnostics, imaging, therapy) considerable potential for application in the field of biomedicine. However, toxicity be caused by long-term, non-specific accumulation these inorganic healthy tissues, preventing their large-scale clinical utilization. Over past several decades, emergence biodegradable and clearable has offered to prevent such long-term toxicity. In addition, a comprehensive understanding design metabolic pathways within body is essential enabling expansion theranostic applications various diseases advancing trials. Thus, it critical importance develop biomedical applications. This review systematically summarizes recent progress nanomaterials, particularly cancer theranostics other disease therapies. The future prospects opportunities this rapidly growing are also discussed. We believe timely will stimulate guide additional in-depth studies area nanomedicine, as rapid vivo clearance degradation likely prerequisite translation with unique functionality.

Language: Английский

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A Review on MXene Synthesis, Stability, and Photocatalytic Applications

ACS Nano, Journal Year: 2022, Volume and Issue: 16(9), P. 13370 - 13429

Published: Sept. 12, 2022

Photocatalytic water splitting, CO2 reduction, and pollutant degradation have emerged as promising strategies to remedy the existing environmental energy crises. However, grafting of expensive less abundant noble-metal cocatalysts on photocatalyst materials is a mandatory practice achieve enhanced photocatalytic performance owing ability extract electrons efficiently from enable rapid/enhanced catalytic reaction. Hence, developing highly efficient, inexpensive, noble-metal-free composed earth-abundant elements considered noteworthy step toward considering photocatalysis more economical strategy. Recently, MXenes (two-dimensional (2D) transition-metal carbides, nitrides, carbonitrides) shown huge potential alternatives for cocatalysts. several excellent properties, including atomically thin 2D morphology, metallic electrical conductivity, hydrophilic surface, high specific surface area. In addition, they exhibit Gibbs free intermediate H atom adsorption close zero than that commercial Pt-based cocatalyst, Fermi level position above H2 generation potential, an capture activate molecules. Therefore, there growing interest in MXene-based various events. this review, we focus recent advances synthesis with 0D morphologies, stability MXenes, photocatalysts evolution, degradation. The challenges possible future directions enhance are also discussed.

Language: Английский

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