Exploració per tema "Nanocrystals"
Ara es mostren els items 10-29 de 53
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Efecto de la distribución bimodal de grano en la ductilidad de hierro nanoestructurado obtenido por molienda mecánica
(EUETIB, 2013-12)
Comunicació de congrés
Accés obertEl presente trabajo versa sobre la fabricación de piezas consolidadas de hierro a partir de polvo de hierro puro con estructura nanocristalina obtenido mediante proceso de molienda mecánica (MM) en un molino de bolas ... -
Effect of a gelatin-based edible coating containing cellulose nanocrystals (CNC) on the quality and nutrient retention of fresh strawberries during storage
(Curran associates, 2014)
Comunicació de congrés
Accés obertStrawberry is a non-climacteric fruit with a very short postharvest shelf-life. Loss of quality in this fruit is mostly due to its relatively high metabolic activity and sensitivity to fungal decay, meanly grey mold (Botrytis ... -
Effect of chitin nanocrystals on crystallization and properties of poly(lactic acid)-based nanocomposites
(Multidisciplinary Digital Publishing Institute (MDPI), 2020-03-01)
Article
Accés obertThe crystalline phase of poly(lactic acid) (PLA) has crucial effects on its own properties and nanocomposites. In this study, the isothermal crystallization of PLA, triethyl citrate-plasticized PLA (PLA–TEC), and its ... -
Effect of surface charge on surface-initiated atom transfer radical polymerization from cellulose nanocrystals in aqueous media
(2016-04-11)
Article
Accés obertCellulose nanocrystals (CNCs) with different charge densities were utilized to examine the role of electrostatic interactions on surface-initiated atom transfer radical polymerization (SI-ATRP) in aqueous media. To this ... -
Estudi de l'obtenció de nano-cel·lulosa utilitzant tècniques biotecnològiques per a la modificació superficial de suports cel·lulòsics
(Universitat Politècnica de Catalunya, 2015-06-29)
Treball Final de Grau
Accés restringit per decisió de l'autor -
Estudi de les condicions d’obtenció d’alumini nanocristal·lí per consolidació in-situ a partir de pols i llur caracterització mecànica
(Universitat Politècnica de Catalunya, 2015-09)
Projecte/Treball Final de Carrera
Accés obertA partir de la tècnica de mòlta de ball milling s’adona que es possible sintetitzar pols d’alumini obtenint com a producte una làmina enganxada a les parets dels pots. Es per això que s’ha treballat per establir les ... -
Estudio de la posibilidad de obtención de un bionanomaterial a partir de residuos agrícolas
(Universitat Politècnica de Catalunya, 2016-06)
Treball Final de Grau
Accés restringit per decisió de l'autor -
Functionally graded polyurethane/cellulose nanocrystal composites
(2018-06)
Article
Accés obertThe preparation and investigation of functionally graded polymer nanocom-posites, which have a concentration gradient of cellulose nanocrystals (CNCs) along one direction, is reported here. As a test bed, a series of ... -
Graphene-supported palladium phosphide PdP2 nanocrystals for ethanol electrooxidation
(2019-03-01)
Article
Accés obertWe present a procedure to produce single-phase PdP2 nanocrystals (NCs). The approach involves the reaction of palladium(II) acetylacetonate and hexamethylphosphoroustriamide to nucleate defective Pd5P2 nanoparticles that ... -
High-Efficiency Light-Emitting Diodes Based on Formamidinium Lead Bromide Nanocrystals and solution processed transport layers
(ACS, 2018-09-11)
Article
Accés obertPerovskite nanocrystal light-emitting diodes (LEDs) employing architecture comprising a ZnO nanoparticles electron-transport layer and a conjugated polymer hole-transport layer have been fabricated. The obtained LEDs ... -
Hollow PdAg-CeO2 heterodimer nanocrystals as highly structured heterogeneous catalysts
(Nature, 2019-12-01)
Article
Accés obertIn the present work, hollow PdAg-CeO2 heterodimer nanocrystals (NCs) were prepared and tested as catalysts for the selective hydrogenation of alkynes. These nanostructures combine for the first time the beneficial effect ... -
Influence of halide ions in the synthesis of gold-platinum nanocatalysts for hydrogen evolution reaction (HER)
(Universitat Politècnica de Catalunya, 2023-07-03)
Treball Final de Grau
Accés restringit per acord de confidencialitat
Realitzat a/amb: Institut de Ciència de Materials de Barcelona / Universidad Politécnica de MadridEls catalitzadors basats en platí han estat analitzats profundament per a usos en vies catalítiques. Recentment, els aliatges or-platí (AuPt) han suscitat l’interès de molts investigadors pel seu possible ús en la ... -
Influence of the ligand stripping on the transport properties of nanoparticle-based PbSe nanomaterials
(2020-01-07)
Article
Accés obertNanomaterials produced from the bottom-up assembly of nanocrystals may incorporate ~1020–1021 cm–3 not fully coordinated surface atoms, i.e., ~1020–1021 cm–3 potential donor or acceptor states that can strongly affect ... -
Ligand conversion in nanocrystal synthesis: the oxidation of alkylamines to fatty acids by nitrate
(American Chemical Society (ACS), 2021-11-22)
Article
Accés obertLigands are a fundamental part of nanocrystals. They control and direct nanocrystal syntheses and provide colloidal stability. Bound ligands also affect the nanocrystals’ chemical reactivity and electronic structure. Surface ... -
Liquid crystalline properties of symmetric and asymmetric end-grafted cellulose nanocrystals
(2021-07-23)
Article
Accés obertThe hydrophilic polymer poly[2-(2-(2-methoxy ethoxy)ethoxy)ethylacrylate] (POEG3A) was grafted onto the reducing end-groups (REGs) of cellulose nanocrystal (CNC) allomorphs, and their liquid crystalline properties were ... -
Liquid crystalline thermosets based on anisotropic phases of cellulose nanocrystals
(2013-10)
Article
Accés obertA new class of liquid crystalline thermosets (LCTs) was successfully produced containing lyotropic cellulose nanocrystals (CNCs) as the primary mesogenic component (up to 72 wt%) by the addition of non-mesogenic epoxy ... -
Low-Cost RoHS Compliant Solution Processed Photovoltaics Enabled by Ambient Condition Synthesis of AgBiS2 Nanocrystals
(ACS, 2020-03-04)
Article
Accés obertTwo major challenges exist before colloidal nanocrystal solar cells can take their place in the market: So far, these devices are based on Pb/Cd-containing nanocrystals, and second, the synthesis of these nanocrystals takes ... -
Low-temperature colloidal synthesis of CuBiS2 nanocrystals for optoelectronic devices
(Royal Society of Chemistry, 2017-11-11)
Article
Accés obertA new facile colloidal synthesis of CuBiS2 (CBS) nanocrystals with monodispersed size and good quality has been developed. The CBS nanocrystal films was deposited by solid-state ligand exchange and their field effect ... -
Mixed AgBiS2 nanocrystals for photovoltaics and photodetectors
(Royal Society of Chemistry, 2022-03-03)
Article
Accés obertHeavy-metal-free colloidal nanocrystals are gaining due attention as low-cost, semiconducting materials for solution-processed optoelectronic applications. One common limitation of such materials is their limited carrier ... -
Molecular-free synthesis of multifunctional graphene oxide-copper sulfide nanocomposite gels
(Universitat Politècnica de Catalunya, 2021-07-22)
Projecte Final de Màster Oficial
Accés restringit per acord de confidencialitat