Current-dependent anisotropic conductivity of locally assembled silver nanoparticles in hybrid polymer films

Goel, Pooja; Vinokur, Rostislav; Weichold, Oliver

doi:10.1016/j.jcis.2010.08.037

Cited by 3 publications

(2 citation statements)

References 27 publications

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“…At moderate voltage values, a decreasing resistance is observed. This is because there is an irreversible agglomeration of the silver nanoparticles; under the applied electrical field, the agglomerated silver nanoparticles form denser, line-like filaments with more conductive characteristics than a random silver nanoparticle network [169].…”

Section: Effective Property Enhancementsmentioning

confidence: 99%

Hybrid materials – a review on co-dispersion, processing, patterning, and properties

2019

International Materials Reviews

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Inorganic and organic hybrids are a class of new materials that are purposely designed and arranged at individual species levels (often at nanoscale) to provide new morphological attributes and properties. This review is intended to offer a systematic discussion and understanding of nanoparticle-polymer hybrid materials. First, integration of nanoparticles and organic matrices is explained from two aspects: mixing of nanoparticles and organic matrix materials and in-situ formation of hybrids; the latter includes both in-situ nanoparticle formation and in-situ polymerisation. Traditional processing techniques for hybrids, such as spin coating and casting, are briefly reviewed followed by more detailed discussion on patterning through self-organisation, laser-induced patterning, and nanoimprint lithographic moulding. The extraordinary potentials of hybrids in existing property improvement and new property creation, including mechanical property, electronic property, optical property, catalytic property, magnetic property, and sensing property are presented. Lastly, opportunities and challenges for future hybrid material development are provided.

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Section: Effective Property Enhancementsmentioning

confidence: 99%

Hybrid materials – a review on co-dispersion, processing, patterning, and properties

2019

International Materials Reviews

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“…In this work, we propose to use the solvent-crazing process − to reduce the PLA fragility and to increase its strength characteristics. Crazing of polymers is a fundamental mechanism of plastic deformation of solid amorphous and semicrystalline polymers, and it is accompanied by the formation of an oriented highly dispersed fibrillar–porous structure in local deformation zones, which are referred to as crazes. , Moreover, it is known − that crazing is considered as a method for loading polymer matrices with different thermodynamically incompatible low- and high-molecular additives, such as dyes, fire-retardant agents, odorants, bactericides, and so forth, with a simultaneous dispersion of fillers up to the nanometric level.…”

Section: Introductionmentioning

confidence: 99%

Cold Crystallization of Glassy Polylactide during Solvent Crazing

Трофимчук

Efimov

Grokhovskaya

et al. 2017

ACS Appl. Mater. Interfaces

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Uniaxial tension accompanied by the orientation and crystallization of polymer chains is one of the powerful methods for the improvement of mechanical properties. Crystallization of amorphous isotropic polylactide (PLA) at room temperature is studied for the first time during the drawing of films in the presence of liquid adsorption-active media (ethanol, water-ethanol mixtures, and n-heptane) by the solvent crazing mechanism. The crystalline structure arises only under simultaneous actions of a liquid medium and a tensile stress and does not depend on the nature of the environment. The degree of polymer crystallinity increases nearly linearly with the growth in the fraction of the fibrillar material and reaches a maximum value of 42-45%. It has been stated that polymer crystallization happens in crazes involving nanofibrils with a diameter of about 10-20 nm without affecting the bulk polymer parts. Wide-angle X-ray scattering has been used to confirm that the crazing-induced crystallization is accompanied by the formation of the α'-crystalline phase with crystallite sizes (X-ray coherent scattering region) of 3-5 nm, depending on the nature of the liquid medium. After stretching in liquid media to a high tensile strain, the strength of a PLA film has increased to 200 MPa.

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“Green” environmental crazing of polymers in oil-in-water emulsions with high water content

Аржакова

Kopnov

Nazarov

et al. 2020

Polymer

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Current-dependent anisotropic conductivity of locally assembled silver nanoparticles in hybrid polymer films

Cited by 3 publications

References 27 publications

Hybrid materials – a review on co-dispersion, processing, patterning, and properties

Hybrid materials – a review on co-dispersion, processing, patterning, and properties

Cold Crystallization of Glassy Polylactide during Solvent Crazing

“Green” environmental crazing of polymers in oil-in-water emulsions with high water content

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