2D Materials in Flexible Electronics: Recent Advances and Future Prospectives

Katiyar, Ajit Kumar; Hoang, Anh Tuan; Xu, Duo; Hong, Juyeong; Kim, Beom Jin; Ji, Seunghyeon; Ahn, Jong-Hyun

doi:10.1021/acs.chemrev.3c00302

Cited by 58 publications

(6 citation statements)

References 1,079 publications

(1,869 reference statements)

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“…Researchers may be able to develop materials suitable for converting waste heat into electrical power in applications such as automotive systems or industrial processes by optimizing the pyroelectricity of 2D silicates [114]. Transparent and flexible 2D silicates could be integrated into windows or other surfaces to harvest energy from ambient light or mechanical deformations [115]. 2D silicates could be engineered to efficiently capture energy from ambient vibrations observed in machinery or infrastructure.…”

Section: Energy Harvesting Storage and Sensingmentioning

confidence: 99%

A comprehensive review of atomically thin silicates and their applications

Mahapatra,

Costin,

Galvao

et al. 2024

2D Mater.

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Silicate is one of the most abundant minerals on Earth’s crust and a sustainable source of two-dimensional (2D) complex oxides. In this review, we discuss the research progress of layered and non-layered 2D silicates, their comparison with conventional 2D materials, and a brief discussion on 2D silicate applications. The review begins with thoroughly examining synthesis strategies, emphasizing the various methods used to create layered and non-layered 2D silicates. The discussions then address the distinctive features of these materials, emphasizing their physicochemical characteristics. Furthermore, the review outlines recent breakthroughs in utilizing 2D silicates in electrical and memory devices, energy harvesting, energy storage, sensors, optoelectronics, water treatment, wound healing, cancer theranostics, bacterial ablation, fire retardancy, etc. By summarizing the most recent research findings in the field of 2D silicates and providing an overview of silicate evolution, this review intends to present a comprehensive resource for researchers interested in the diverse and fascinating area of 2D silicates.

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Section: Energy Harvesting Storage and Sensingmentioning

confidence: 99%

A comprehensive review of atomically thin silicates and their applications

Mahapatra,

Costin,

Galvao

et al. 2024

2D Mater.

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“…Since the discovery of graphene, a large number of 2D materials, also referred to as van der Waals materials, such as transition-metal dichalcogenides (TMDs), black phosphorus (BP), hexagonal boron nitride (h-BN), and MXenes, have been studied due to their distinctive electrical, optical, magnetic, and mechanical properties . Hydrogen intercalation is an effective tool to modify the structure and properties of 2D materials with weakly bonded layers.…”

Section: Proton-conducting Neuromorphic Devicesmentioning

confidence: 99%

Proton Conducting Neuromorphic Materials and Devices

Yuan,

Patel,

Banik

et al. 2024

Chem. Rev.

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Neuromorphic computing and artificial intelligence hardware generally aims to emulate features found in biological neural circuit components and to enable the development of energy-efficient machines. In the biological brain, ionic currents and temporal concentration gradients control information flow and storage. It is therefore of interest to examine materials and devices for neuromorphic computing wherein ionic and electronic currents can propagate. Protons being mobile under an external electric field offers a compelling avenue for facilitating biological functionalities in artificial synapses and neurons. In this review, we first highlight the interesting biological analog of protons as neurotransmitters in various animals. We then discuss the experimental approaches and mechanisms of proton doping in various classes of inorganic and organic proton-conducting materials for the advancement of neuromorphic architectures. Since hydrogen is among the lightest of elements, characterization in a solid matrix requires advanced techniques. We review powerful synchrotronbased spectroscopic techniques for characterizing hydrogen doping in various materials as well as complementary scattering techniques to detect hydrogen. First-principles calculations are then discussed as they help provide an understanding of proton migration and electronic structure modification. Outstanding scientific challenges to further our understanding of proton doping and its use in emerging neuromorphic electronics are pointed out.

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“…The strong intra-layer covalent bonding in layered 2D materials results in a high Young's modulus, ranging from 10 to 1000 GPa, leading to a modulus mismatch between 2D materials and organic materials in flexible electronics. Various strategies at the micrometer scale to enhance interfacial adhesion are summarized in other review [113]. Additionally, atomic-scale modulation can effectively enhance interface stability.…”

Section: Dielectric Barriers and Two-dimensional Materialsmentioning

confidence: 99%

Advancements in atomic-scale interface engineering for flexible electronics: enhancing flexibility and durability

Wen,

Yuan,

Cao

et al. 2024

Nanotechnology

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Flexible electronics, such as wearable displays, implantable electronics, soft robots, and smart skin, have garnered increasing attention. Despite notable advancements in research, a bottleneck remains at the product level due to the prevalent use of polymer-based materials, requiring encapsulation films for lifespan extension and reliable performance. Multilayer composites, incorporating thin inorganic layers to maintain low permeability towards moisture, oxygen, ions, etc., exhibit potential in achieving highly flexible barriers but encounter challenges stemming from interface instability between layers. This perspective offers a succinct review of strategies and provides atomic-scale interface modulation strategy utilizing atomic layer integration technology focused on enhancing the flexibility of high-barrier films. It delves into bendable multilayers with atomic-scale interface modulation strategies, encompassing internal stress and applied stress modulation, as well as stretchable composite structural designs such as gradient/hybrid, wavy, and island. These strategies showcase significant improvements in flexibility from bendable to stretchable while maintaining high barrier properties. Besides, optimized manufacturing methods, materials, and complex structure design based on atomic-scale interface engineering are provided, better aligning with the future development of flexible electronics. By laying the groundwork for these atomic-scale strategies, this perspective contributes to the evolution of flexible electronics, enhancing their flexibility, durability, and functionality.

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2D Materials in Flexible Electronics: Recent Advances and Future Prospectives

Cited by 58 publications

References 1,079 publications

A comprehensive review of atomically thin silicates and their applications

A comprehensive review of atomically thin silicates and their applications

Proton Conducting Neuromorphic Materials and Devices

Advancements in atomic-scale interface engineering for flexible electronics: enhancing flexibility and durability

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