Search Results for: graphene

Total Papers Found: 47

Significantly Enhanced and Precisely Modeled Thermal Conductivity in Polyimide Nanocomposites by Chemically Modified Graphene via in-situ Polymerization and Electrospinning-hot press Technology

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Chemically modified graphene (CMG) was obtained by combining aminopropyllsobutyl polyhedral oligomeric silsesquioxane (NH2-POSS) and hydrazine monohydrate to functionalize graphene oxide (GO). CMG and polyimide (PI) were combined to create ...

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“Graphene-Like” Exfoliation of Atomically-Thin Films of Bi2Te3 and Related Materials: Applications in Thermoelectrics and Topological Insulators

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This article examined the properties of bismuth telluride (Bi2Te3) after “graphene-inspired” exfoliation left its crystalline films with a thickness of a few atoms. The thermal ...

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Nitrogen doped hybrid carbon based composite dispersed nanofluids as working fluid for low-temperature direct absorption solar collectors

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This article studied the thermal conductivity of deionized (DI) water and ethylene glycol (EG) based nanofluids with varying temperatures for different volume fractions of N-(rGO-MWNTs) (nitrogen doped hybrid structure ...

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Self-sensing and thermal energy experimental characterization of multifunctional cement-matrix composites with carbon nano-inclusions

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The present study investigates the experimental characterization of cementitious materials combined with four different carbon nanofillers; multi walled carbon nanotubes (MWCNTs), carbon nanofibers (CNFs), carbon black (CB) and graphene nanoplatelets (...

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High thermal conductive m-xylylenediamine functionalized multiwall carbon nanotubes/epoxy resin composites

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Thermally conductive polymers are the most effective and economic methods of removing heat accumulation from microelectronics. In the present study, m-xylylenediamine (MPDA) was used as a curing agent for the ...

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Synergistic effect of hybrid graphene nanoplatelet and multi-walled carbon nanotube fillers on the thermal conductivity of polymer composites and theoretical modeling of the synergistic effect

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In this study, graphene nanoplatelets (GNP) and multi-walled carbon nanotube fillers (MWCNT) were simultaneously added to a polycarbonate matrix, in an attempt to improve thermal conductivity. Thermal conductivities of the ...

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In situ exfoliation of graphite in solid phase for fabrication of graphene/polyamide-6 composites

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Graphene is a 2D single layer of carbon atoms, superior to graphite in mechanical properties and thermal conductivity. Polymer/graphene composites can be fabricated using several techniques, however this study ...

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Hybridizing graphene aerogel into three-dimensional graphene foam for high-performance composite phase change materials

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The present study aims at encapsulating hybrid graphene aerogel (HGA) into 3D graphene foam (GF) to fabricate high-performance composite phase change materials (PCM). Using the chemical vapor deposition (CVD) technique, ...

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Hybrid graphene aerogels/phase change material composites: Thermal conductivity, shape-stabilization and light-to-thermal energy storage

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The use of graphene aerogel has recently been studied with highly functional phase change materials (PCMs) to create 3D structures for improved thermal conductivity and shape-stabilization. In this study, hybrid ...

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Synergistic improvement of thermal conductivity in polymer composites filled with pitch based carbon fiber and graphene nanoplatelets

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It was found that the thermal conductivity of composite materials is enhanced by the simultaneous incorporation of dispersed pitch-based carbon fibers (PCFs) and graphene nanoplatelets (GNPs). This study investigated methods ...

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