Browsing by Subject "Grafè"
Now showing items 1-20 of 121
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235. Un campus d'exel.lència internacional per a un nou model energètic
(Oficina de Mitjans de Comunicació, 2010-11)
Article
Open Access -
A novel graphene nanoribbon XOR gate design
(Institute of Electrical and Electronics Engineers (IEEE), 2022)
Conference report
Restricted access - publisher's policyGraphene is a 2D material with spectacular properties. Its elasticity and biocompatibility make it appropriate for stretchable electronics and bioelectronics applications respectfully. In this work, we present the design ... -
Adhesion and friction control localized folding in supported graphene
(American Institute of Physics (AIP), 2013-05)
Article
Restricted access - publisher's policyGraphene deposited on planar surfaces often exhibits sharp and localized folds delimiting seemingly planar regions, as a result of compressive stresses transmitted by the substrate. Such folds alter the electronic and ... -
Análisis estructural de óxidos de grafeno (GO) y óxidos de grafeno reducidos (rGO)
(2020-07-01)
Article
Open AccessEl artículo caracteriza a nivel estructural, morfológico y térmico tres muestras distintas de óxido de grafeno comerciales (AGO, EGO y CGO) obtenidas mediante el método Hummers, las cuales han sido posteriormente reducidas ... -
Boosting moisture induced electricity generation from graphene oxide through engineering oxygen-based functional groups
(2022-04-01)
Article
Open AccessHarvesting energy from ubiquitous moisture is attracting growing interest for directly powering electronic devices. However, it is still challenging to fabricate high-performing moisture-electric generators (MEGs) with ... -
Bridging NiCo layered double hydroxides and Ni3S2 for bifunctional electrocatalysts: the role of vertical graphene
(2021-07-01)
Article
Restricted access - publisher's policyIn this work, we report a bifunctional electrocatalyst with nickel sulphide (Ni3S2) as the template, vertical graphene (VG) as the bridging material, and nickel–cobalt layered double hydroxides (NiCo LDHs) nanosheets as ... -
Broadband conductivity of graphene from DC to THz
(IEEE Press. Institute of Electrical and Electronics Engineers, 2011)
Conference report
Restricted access - publisher's policyIn this paper for the first time we have studied the broadband sheet conductance of few-layer graphene on single-crystal quartz substrate. Few-layer graphene was grown on Nickel coated Si wafers and transferred to the ... -
Caracterització optoelectrònica del grafè sobre diferents substrats a altes freqüències
(Universitat Politècnica de Catalunya, 2014-09-09)
Master thesis (pre-Bologna period)
Open Access[ANGLÈS] This project presents a study for both optic and electronic properties of graphene and possible variations of different physical magnitudes that are produced in a material when a single layer of graphene is deposited ... -
Chondroinductive alginate-based hydrogels having graphene oxide for 3D printed scaffold fabrication
(2020-01-07)
Article
Open AccessScaffolds based on bioconjugated hydrogels are attractive for tissue engineering because they can partly mimic human tissue characteristics. For example, they can further increase their bioactivity with cells. However, ... -
Coexistence of wrinkles and blisters in supported graphene
(Elsevier, 2017-07-01)
Article
Open AccessBlisters induced by gas trapped in the interstitial space between supported graphene and the substrate are commonly observed. These blisters are often quasi-spherical with a circular rim, but polygonal blisters are also ... -
Colloidal Quantum Dot Tandem Solar Cells Using CVD Graphene as An Atomically Thin Intermediate Recombination Layer
(ACS, 2018-06-28)
Article
Open AccessTwo-terminal tandem cell architectures are believed to be an effective way to further improve the power conversion efficiency in solution processed photovoltaics. To design an efficient tandem solar cell, two key issues ... -
Competing Ultrafast Energy Relaxation Pathways in Photoexcited Graphene
(ACS Publications, 2014-09-23)
Article
Open Access -
Contactless electrical resistance of 2D materials using a rutile resonator
(2019-12-12)
Article
Open AccessMeasuring the electrical surface resistance of 2D materials without contact can provide a method for obtaining their intrinsic characterisation. The aim of this paper is to show that a rutile dielectric resonator (RDR) can ... -
Controlling mid-infrared plasmons in graphene nanostructures through post-fabrication chemical doping
(IOP, 2021-05-07)
Article
Open AccessEngineering the doping level in graphene nanostructures to yield controlled and intense localized surface plasmon resonance (LSPR) is fundamental for their practical use in applications such as molecular sensing for point ... -
Digital metasurface based on graphene: An application to beam steering in terahertz plasmonic antennas
(2019-06-25)
Article
Open AccessMetasurfaces, the two-dimensional counterpart of metamaterials, have caught great attention thanks to their powerful capabilities on manipulation of electromagnetic waves. Recent times have seen the emergence of a variety ... -
Direct growth of 2D and 3D graphene nano-structures over large glass substrates by tuning a sacrificial Cu-template layer
(IOP, 2017-03-28)
Article
Open AccessWe demonstrate direct growth of two-dimensional (2D) and three-dimensional (3D) graphene structures on glass substrates. By starting from catalytic copper nanoparticles of different densities and using chemical vapour ... -
Double-layer graphene for enhanced tunable infrared plasmonics
(Nature, 2017-06-02)
Article
Open AccessGraphene is emerging as a promising material for photonic applications owing to its unique optoelectronic properties. Graphene supports tunable, long-lived and extremely confined plasmons that have great potential for ... -
Dry transfer of graphene to dielectrics and flexible substrates using polyimide as a transparent and stable intermediate layer
(IOP, 2018-04-30)
Article
Open AccessWe demonstrate the direct transfer of graphene from Cu foil to glass and flexible substrates such as PET, using polyimide (PI) mixed with an aminosilane (3-aminopropyltrimethoxysilane) or only PI, respectively, as intermediate ... -
Educational toolkit based on design methodologies to promote scientific knowledge transfer in secondary schools: a graphene-centered case study
(OmniaScience, 2020-04)
Article
Open AccessNanoscience and nanotechnology are two key areas in the development of new technologies. However, scientific advances in these fields are still far removed from the contents taught in schools. But what if basic concepts ... -
Effect of graphene oxide and carbon nanotubes on electrodeposition of polypyrrole films
(Universitat Politècnica de Catalunya, 2022-06-16)
Conference lecture
Open Access
