Recent Advances in Sensing Applications of Graphene Assemblies and Their Composites

Tùng, Trần Thanh; Nine, J.; Krebsz, Melinda; Pasinszki, Tibor; Coghlan, Campbell J.; Tran, Diana; Lošić, Dušan

doi:10.1002/adfm.201702891

Cited by 228 publications

(152 citation statements)

References 482 publications

(652 reference statements)

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“…Moreover, GNPs are very favorable filler in MMNCs in comparison with the single layer of graphene due to their merits like higher stability, lower cost of production, easy handling and more versatility in size and aspect ratio of GNPs. It should be noted that even at the rather low graphene nanoplatelets content, a 3D network is formed and consequently anisotropic characteristics can be formed as a result of the high aspect ratio of graphene nanoplatelets within the matrix [73][74][75][76][77]-this improves the thermal and electrical conductivities as well as the mechanical features.…”

Section: Reinforcementmentioning

confidence: 99%

An Overview of Metal Matrix Nanocomposites Reinforced with Graphene Nanoplatelets; Mechanical, Electrical and Thermophysical Properties

Saboori

Dadkhah

Fino

et al. 2018

Metals

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Two-dimensional graphene nanoplatelets with unique electrical, mechanical and thermophysical characteristics are considered as an interesting reinforcement to develop new lightweight, high-strength, and high-performance metal matrix nanocomposites. On the other hand, by the rapid progress of technology in recent years, development of advanced materials like new metal matrix nanocomposites for structural engineering and functional device applications is a priority for various industries. This article provides an overview of research efforts with an emphasis on the fabrication and characterization of different metal matrix nanocomposites reinforced by graphene nanoplatelets (GNPs). Particular attention is devoted to find the role of GNPs on the final electrical and thermal conductivity, the coefficient of thermal expansion, and mechanical responses of aluminum, magnesium and copper matrix nanocomposites. In sum, this review pays specific attention to the structure-property relationship of these novel nanocomposites.

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Section: Reinforcementmentioning

confidence: 99%

An Overview of Metal Matrix Nanocomposites Reinforced with Graphene Nanoplatelets; Mechanical, Electrical and Thermophysical Properties

Saboori

Dadkhah

Fino

et al. 2018

Metals

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“…To date, plenty of pressure sensors have been explored, including capacitive, [2,3] piezoelectrical, [4][5][6] and piezoresistive [7,8] pressure sensors. To tackle this problem, one possible way is the combination of flexible insulating matrices with carbonaceous nanomaterials as conductive fillers, such as graphene, [11] reduced graphene oxide (rGO), [12] and carbon nanotubes (CNTs). Piezoresistive pressure sensors can transduce changes of mechanical strain into changes of electrical resistance, and are broadly used due to their simple work mechanism and sensitivity to pressure.…”

mentioning

confidence: 99%

Hollow MXene Sphere/Reduced Graphene Aerogel Composites for Piezoresistive Sensor with Ultra‐High Sensitivity

Zhu

Yang

Cheng

et al. 2019

Adv Elect Materials

150

125

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can effectively capture subtle changes of pressures is much needed. To date, plenty of pressure sensors have been explored, including capacitive, [2,3] piezoelectrical, [4][5][6] and piezoresistive [7,8] pressure sensors. Among them, piezoresistive sensors stand out as promising candidates due to their low-cost fabrication, stability to temperature, sensitivity to pressure, etc. Piezoresistive pressure sensors can transduce changes of mechanical strain into changes of electrical resistance, and are broadly used due to their simple work mechanism and sensitivity to pressure. [9] Conventional piezoresistive pressure sensors, however, are usually based on rigid substrates like Si, [10] which are not skin-mountable and cannot meet the needs for portability and flexibility of smart wearable electronic devices. To tackle this problem, one possible way is the combination of flexible insulating matrices with carbonaceous nanomaterials as conductive fillers, such as graphene, [11] reduced graphene oxide (rGO), [12] and carbon nanotubes (CNTs). [13] For example, Park et al. combined wrinkled CNT and PDMS to build a pressure sensor [14] and more recently, Pang et al. prepared a pressure sensor based on rGO and micro-patterned PDMS substrate. [15] However, composite flexible pressure sensors like these often suffer from a performance compromise between sensor sensitivity and linear region. [16] Apart from that, the signal stability of the sensor may be influenced by the thermal expansion of the polymer substrate. [9] Another way is the utilization of the carbonaceous nanomaterials as the building blocks for making highly elastic materials. In particular, carbon aerogels prepared by this method have demonstrated extraordinary mechanical properties, [17] good flexibility, [18] high aspect ratio, [19] and exceptional thermal stability. [20] Over the past few years, a considerable amount of reports have focused on piezoresistive pressure sensors based on reduced graphene oxide (rGO) aerogel or rGO composite aerogel. For instance, Ha et al. prepared a PAA/ rGO composite aerogel for pressure sensing, [21] and recently, Peng et al. made a piezoresistive sensor based on CNT/rGO-CNF aerogel. [22] However, it still remains a challenge to further improve the sensitivity and the detecting range of these carbon aerogel based pressure sensors.Recently, a new kind of 2D transitional metal carbide/carbonitride materials (MXenes) with metal conductivity have Pressure sensing is key to smart wearable electronics and human-machine interaction interfaces. To achieve a high-performance pressure sensor that has broad linear range and is capable of detecting subtle changes of pressure, the good choice of sensing materials and rational design of structures are both needed. A novel piezoresistive sensor based on hollow MXene spheres/ reduced graphene composite aerogel and flexible interdigital electrodes is presented. Benefiting from the unique microstructure of the composite aerogel, the prepared pressure sensor exhibits high sensitivity (609 kPa −...

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“…With the rapid development of the society, the gas sensor becomes more and more important in various fields, including the detection of toxic and explosive gases for public safety and industry monitoring, as well as the gas we exhale out for disease diagnosis, etc . Among the various types of gas sensors, resistive gas sensors are the most widely used because of their low cost, simple processing, and easy operation.…”

Section: Aerogel‐based Sensorsmentioning

confidence: 99%

“…A sensor is a transducer that transforms information from stimuli including gas, light, heat, pressure, activity, temperature, force, etc., into suitable form amenable for further processing (e.g., electrical signals) . Among the components of sensors, sensing materials where the interaction between stimuli and materials mainly takes place, play a critical role to obtain sensors of high performance, such as high sensitivity, good selectivity, and fast response and recovery.…”

Section: Introductionmentioning

confidence: 99%

“…In recent years, considerable research efforts have been devoted to the development of aerogel‐based sensing materials with high performance, and many encouraging accomplishments have been achieved. Although, nanostructured materials including graphene‐assembly sensing materials for gas sensor, flexible and stretchable physical sensor, and biosensors have been reviewed, the comprehensive review on the aerogel‐based sensors is still missing. Herein, recent advances of the aerogel‐based sensors are reviewed, including the preparation, classification of aerogels, and their application in sensors.…”

Section: Introductionmentioning

confidence: 99%

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Versatile Aerogels for Sensors

Yang

Zheng

et al. 2019

Small

111

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Aerogels are unique solid‐state materials composed of interconnected 3D solid networks and a large number of air‐filled pores. They extend the structural characteristics as well as physicochemical properties of nanoscale building blocks to macroscale, and integrate typical characteristics of aerogels, such as high porosity, large surface area, and low density, with specific properties of the various constituents. These features endow aerogels with high sensitivity, high selectivity, and fast response and recovery for sensing materials in sensors such as gas sensors, biosensors and strain and pressure sensors, among others. Considerable research efforts in recent years have been devoted to the development of aerogel‐based sensors and encouraging accomplishments have been achieved. Herein, groundbreaking advances in the preparation, classification, and physicochemical properties of aerogels and their sensing applications are presented. Moreover, the current challenges and some perspectives for the development of high‐performance aerogel‐based sensors are summarized.

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Recent Advances in Sensing Applications of Graphene Assemblies and Their Composites

Cited by 228 publications

References 482 publications

An Overview of Metal Matrix Nanocomposites Reinforced with Graphene Nanoplatelets; Mechanical, Electrical and Thermophysical Properties

An Overview of Metal Matrix Nanocomposites Reinforced with Graphene Nanoplatelets; Mechanical, Electrical and Thermophysical Properties

Hollow MXene Sphere/Reduced Graphene Aerogel Composites for Piezoresistive Sensor with Ultra‐High Sensitivity

Versatile Aerogels for Sensors

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