Electronic Functionality of Nanocomposites

Murugaraj, P.; Mainwaring, David E.

doi:10.5772/15816

Cited by 4 publications

(5 citation statements)

References 101 publications

(112 reference statements)

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“…The first of which represents the nanowires (latent core) where the charges hop between C-clusters while the second represents the impedance of the interfacial region modified by irradiation and surrounding the nanowires through which charge transport occurs by tunnelling between the nanowires. 48 Here, it can be seen that at frequencies below 100 Hz the reactance is negligible, indicative of the absence of space charge or polarisation at the electrode contact junctions.…”

Section: Electrical Characterisationmentioning

confidence: 86%

Stable doped sp2 C-hybrid nanostructures by reactive ion beam irradiation

Murugaraj¹,

Mainwaring²,

Kobaisi³

et al. 2012

J. Mater. Chem.

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Section: Electrical Characterisationmentioning

confidence: 86%

Stable doped sp2 C-hybrid nanostructures by reactive ion beam irradiation

Murugaraj¹,

Mainwaring²,

Kobaisi³

et al. 2012

J. Mater. Chem.

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“…Dentures, retainers, removable appliances are more prone to bacterial colonisation which leads to oral disease due to infections in-order to reduce the bacterial colonisation lesser percentage of silver and zinc nanoparticles are being incorporated in the polymer of the acrylic resin and acrylised and used in removable appliances and acrylic base plates for dentures [ 25 ]. In restorative dentistry in order to improve the quality of treatment by remineralization of the tooth due to the antimicrobial property of the nanoparticles they are being incorporated in cements, sealers, fiber post, pit and fissure sealants and cavity liners [ 26 ]. Mixing of alginate impression powders with water containing silver hydrosol can be considered to create an impression material with an antimicrobial property, reducing microbial cross contamination to the poured stone model from the infected impression [27].…”

Section: Dental Applications Of Nanoparticlesmentioning

confidence: 99%

Application of nanoparticles in Dentistry

Missier¹

2023

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Nanoparticles(NPs) are of particle sizes lesser than 100nm and are insoluble the field which deal with the handling of these particles is coined as “Nanotechnology” as their particle size is smaller, they can penetrate easily therefore they are applied in various medical fields, drug delivery and in dentistry as they have antimicrobial property, reduces friction, anti-inflammatory and antioxidant property. Many studies have been done to evaluate its application and its cytotoxicity by varying its concentration and various studies have been done to evaluate its physical property. Therefore, it is of interest to describe concepts of nanoparticles, mode of action, tissue reaction and its application in orthodontics.

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“…Electromechanical sensitivity is usually represented as gauge factor defined as the ratio of relative resistance variation over strain variation. Higher nanotube loadings enhance the probability of contact points through which electrons are transferred and also decrease the distance of adjacent nanotubes [4,16]. As a result, electrical conductivity is less susceptible to strain at higher nanotube loadings.…”

Section: Nanocomposite Viscosity Characterizationmentioning

confidence: 99%

“…Nanocomposite films strain sensors might be preferred over conventional metal foil strain sensors in some applications due to their enhanced electromechanical sensitivity and their ability to accurately measure large strains [16]. Nanocomposite sensors' electromechanical sensitivity stems from the rearrangement of percolating conducting pathways induced by an external mechanical disturbance.…”

Section: Introductionmentioning

confidence: 99%

“…Among these applications, CNT-reinforced polymer nanocomposite films have been extensively used for structural health monitoring for industrial and national infrastructure [4,5,8]. Nanocomposite film strain sensors might be preferred over conventional metal foil strain sensors in some applications due to their enhanced electromechanical sensitivity and their ability to accurately measure large strains [16]. The electromechanical sensitivity of nanocomposite sensors stems from the rearrangement of percolating conducting pathways induced by an external mechanical disturbance.…”

Section: Introductionmentioning

confidence: 99%

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Direct-write fabrication of freestanding nanocomposite strain sensors

et al. 2012

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This paper deals with the design and microfabrication of two three-dimensional (3D) freestanding patterned strain sensors made of single-walled carbon nanotube (SWCNT) nanocomposites with the ultraviolet-assisted direct-write (UV-DW) technique. The first sensor consisted of three nanocomposite microfibers suspended between two rectangular epoxy pads. The flexibility of the UV-DW technique enables the sensor and its housing to be manufactured in one monolithic structure. The second sensor was composed of a nanocomposite network consisting of four parallel microsprings, which demonstrates the high capability of the technique when compared to conventional photolithographic technologies. The performances of the sensors were assessed under tension and compression, respectively. The sensors' sensitivities were evaluated by correlating their measured resistivities to the applied displacements/strains. Electrical conductivity measurements revealed that the manufactured sensors are highly sensitive to small mechanical disturbances, especially for lower nanotube loadings when compared to traditional metallic or nanocomposite films. The present manufacturing method offers a new perspective for manufacturing highly sensitive 3D freestanding microstructured sensors.

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Electronic Functionality of Nanocomposites

Cited by 4 publications

References 101 publications

Stable doped sp2 C-hybrid nanostructures by reactive ion beam irradiation

Stable doped sp2 C-hybrid nanostructures by reactive ion beam irradiation

Application of nanoparticles in Dentistry

Direct-write fabrication of freestanding nanocomposite strain sensors

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