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Graphene 3D

Title
Multifunctional Graphene-based Nanocomposites with Robust Electromagnetic and Thermal Properties for 3D-printing Application
Funding
EC | H2020 | MSCA-RISE
Call
H2020-MSCA-RISE-2016
Contract (GA) number
734164
Start Date
2017/01/01
End Date
2020/12/31
Open Access mandate
yes
Data Pilot
no
Organizations
SIPT, IMech-BAS OLEM, NARRANDO, UNamur, CNR, UNISA, Nano Tech Lab
More information
Detailed project information (CORDIS)

 

  • Influence of polymer swelling and dissolution into food simulants on the release of graphene nanoplates and carbon nanotubes from poly(lactic) acid and polypropylene composite films

    Velichkova, Hristiana; Petrova, Ivanka; Kotsilkov, Stanislav; Ivanov, Evgeni; Vitanov, Nikolay K.; Kotsilkova, Rumiana (2017)
    Projects: EC | Graphene 3D (734164)
    The study compared the effects of swelling and dissolution of a matrix polymer by food simulants on the release of graphene nanoplates (GNPs) and multiwall carbon nanotubes (MWCNTs) from poly(lactic) acid (PLA) and polypropylene (PP) composite films. The total migration was determined gravimetrically in the ethanol and acetic acid food simulants at different time and temperature conditions, while migrants were detected by laser diffraction analysis and transmission electron microscopy. Swelli...

    Fully carbon metasurface: Absorbing coating in microwaves

    Bychanok, D.; Li, S.; Gorokhov, G.; Piasotski, K.; Meisak, D.; Kuzhir, P.; Burgess, E. A.; Gallagher, C. P.; Ogrin, F. Y.; Hibbins, A. P.; Pasc, A.; Sanchez-Sanchez, A.; Fierro, V.; Celzard, A. (2017)
    Projects: EC | Graphene 3D (734164)
    The microwave-absorbing properties of a heterostructure consisting of an ordered monolayer of porous glassy carbon spheres were experimentally and theoretically investigated in the Ka-band (26–37 GHz) frequency range. The electromagnetic response of such a “moth-eye”-like all-carbon metasurface at a normal incidence angle was modelled on the basis of long-wave approximation. Modelling parameters in the Ka-band were used to estimate and predict the absorption properties of monolayers in free s...

    Release of carbon nanoparticles of different size and shape from nanocomposite poly(lactic) acid film into food simulants

    Velichkova, Hristiana; Kotsilkov, Stanislav; Ivanov, Evgeni; Kotsilkova, Rumiana; Gyoshev, Stanislav; Stoimenov, Nikolay; Vitanov, Nikolay K. (2017)
    Projects: EC | Graphene 3D (734164)
    Poly(lactic) acid (PLA) film with 2 wt% mixed carbon nanofillers of graphene nanoplates (GNPs) and multiwall carbon nanotubes (MWCNTs) in a weight ratio of 1:1 with impurities of fullerene and carbon black (CB) was produced by layer-to-layer deposition and hot pressing. The release of carbon nanoparticles from the film was studied at varying time–temperature conditions and simulants. Migrants in simulant solvents were examined with laser diffraction analysis and transmission electron microsco...

    Tunable electromagnetic response of free-standing 3D carbon nanotube network in the Ka-band

    The sponges made of multi-walled carbon nanotubes (CNT) demonstrate tunable electromagnetic response properties in the microwave range (27-36 GHz) governed by their mechanical deformation. The higher the applied stress, the denser the sponge, the more reflective it is in the Ka-band. The microwave effective conductivity of the CNT network macrostructure was proved to be linearly increased with its density.

    Structure and Electromagnetic Properties of Cellular Glassy Carbon Monoliths with Controlled Cell Size

    Szczurek, A.1,2; Fierro, V.1; Plyushch, A.3,4; Macutkevic, J.4; Kuzhir, P.3,5; Celzard A.1 (2018)
    Projects: EC | Graphene 3D (734164)
    Electromagnetic shielding is a topic of high importance for which lightweight materials are highly sought. Porous carbon materials can meet this goal, but their structure needs to be controlled as much as possible. In this work, cellular carbon monoliths of well-defined porosity and cell size were prepared by a template method, using sacrificial paraffin spheres as the porogen and resorcinol-formaldehyde (RF) resin as the carbon precursor. Physicochemical studies were carried out for investig...

    Rheological behavior of graphene/epoxy nanodispersions

    Ivanov Evgeni, Velichkova Hristiana, Kotsilkova Rumiana, Bistarelli Silvia, Cataldo Antonino, Micciulla Federico, Bellucci Stefano (2017)
    Projects: EC | Graphene 3D (734164)
    Graphene/polymer nanocomposites are the latest trends in materials science in the recent years, but the technology of their preparation plays a crucial role in obtaining reliable materials with repeatable and enhanced properties. Up to now, there are many unresolved problems in controlling the dispersion of the graphene filler and the corresponding influence on the properties of the final nanocomposite materials. In the present study, we apply rheological methods for controlling the quality o...

    Electric Field Oriented Nanostructured Organic Thin Films with Polarized Luminescence

    Karbovnyk, I.D.1; Olenych, I.1; Kukhta, I.N.2; Lugovskii, A.3; Sasnouski, G.3; Chutora, T.4; Luchechko, A.P.1; Khalakhan, I.5; Kukhta, A.6,7 (2017)
    Projects: EC | Graphene 3D (734164)
    The effect of the external electric field of 105 V/m on the ordering of two luminescent liquid crystalline molecules (1-pentyl-2/,3/-difluoro-3///-methyl-4////-octyl-p-quinguephenyl and 9,10-Bis (4-pentylphenylethynyl)antracene) during thermal vacuum deposition is studied. The morphology, electrical conductivity, optical absorption, luminescence spectra, and polarization are presented and analyzed. All data show the formation of ordered films. The polarization degree is 60% for 1-pentyl-2/,3/...

    How effectively do carbon nanotube inclusions contribute to the electromagnetic performance of a composite material? Estimation criteria from microwave and terahertz measurements

    Shuba, M.V.; Yuko, D.I.; Kuzhir, P.P.; Maksimenko, S.A.; Kanygin, M.A.; Okotrub, A.V.; Tenne, R.; Lambin, Ph. (2018)
    Projects: EC | Graphene 3D (734164)
    Screening effect in finite-length carbon nanotubes (CNT) and their agglomerates hinders significantly the electromagnetic interaction in composite materials. Screening effect is strong in the microwave range, and it decreases with increasing frequency resulting in a strong frequency dependence of the effective conductivity of the composite. Since screening effect is rather small in the terahertz range, the effective conductivity in this range is determined directly by the intrinsic conductivi...

    Mechanical and electromagnetic properties of 3D printed hot pressed nanocarbon/poly(lactic) acid thin films

    We constructed a new type of light-weight, nanocarbon based thin film material having good mechanical properties, thermal stability, and electromagnetic shielding efficiency. Our method, 3D printing combined with hot pressing, is a cheap and industrially upscalable process. First a sandwich structure was created by layer-to-layer deposition of alternating 100 μm thick nanocarbon containing plastic layers and 100 μm thick pristine plastic layers, repeated as building blocks...

    Plasmonic carbon interconnects to enable the THz technology: Properties and limits

    This paper presents a realization of interconnects working in the THz range, based on the propagation of surface plasmons along carbon-based conductors, such as carbon nanotubes or graphene nanoribbons. Based on a quasi-classical transport model, the behavior of such interconnects is studied, highlighting not only the fascinating features of such realizations, but also the limiting factors due to new phenomena occurring in the THz range, such as plasmon and/or tunneling resonances. Experiment...
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