Browsing by Subject "Nanocrystals"
Now showing items 1-20 of 51
-
Ag2ZnSnS4 Nanocrystals Expand the Availability of RoHS Compliant Colloidal Quantum Dots
(ACS, 2020-02-06)
Article
Open AccessThe demonstration of the quantum confinement effect in colloidal quantum dots (QDs) has been extensively studied and exploited mainly in Pb and Cd chalcogenide systems. There has been an urgent need recently for ... -
Cellulose nanocrystals with tethered polymer chains: chemically patchy versus uniform decoration
(2017-09-19)
Article
Open AccessThe site-specific surface modification of colloidal substrates, yielding “patchy” nanoparticles, is a rapidly expanding area of research as a result of the new complex structural hierarchies that are becoming accessible ... -
Cellulose nanocrystals: surface modification, applications and opportunities at interfaces
(2017-06-28)
Article
Open AccessCellulose nanocrystals (CNCs) are rod-like nano-scale particles that are widely available in nature and have recently gained great interest in both research and industry, due to their high strength, high crystallinity, ... -
Ceria catalysts at nanoscale: how do crystal shapes shape catalysis?
(2017-07-01)
Article
Open AccessEngineering the shape and size of catalyst particles and the interface between different components of heterogeneous catalysts at the nanometer level can radically alter their performances. This is particularly true with ... -
Challenges in synthesis and analysis of asymmetrically grafted cellulose nanocrystals via atom transfer radical polymerization
(2021-06-01)
Article
Open AccessWhen cellulose nanocrystals (CNCs) are isolated from cellulose microfibrils, the parallel arrangement of the cellulose chains in the crystalline domains is retained so that all reducing end-groups (REGs) point to one ... -
Colloidal Ni2-: XCoxP nanocrystals for the hydrogen evolution reaction
(Royal Society of Chemistry (RSC), 2018-05-11)
Article
Open AccessA cost-effective and scalable approach was developed to produce monodisperse Ni2-xCoxP nanocrystals (NCs) with composition tuned over the entire range (0 = x = 2). Ni2-xCoxP NCs were synthesized using low-cost, stable and ... -
Colloidal synthesis of lead-free Cs2TiBr6−xIx perovskite nanocrystals
(RSC, 2021-08-06)
Article
Open AccessCesium titanium halide perovskites are novel lead-free optoelectronic materials that have attracted attention in the last two years for their application in solar cells with power conversion efficiencies reaching 3.3%. We ... -
Crystallization of triethyl-citrate-plasticized poly(lactic acid) induced by chitin nanocrystals
(Wiley, 2019-01-01)
Article
Open AccessThe aim of this study was to gain a better understanding of the crystallization behavior of triethyl-citrate-plasticized poly(lactic acid) (PLA–TEC) in the presence of chitin nanocrystals (ChNCs). The isothermal crystallization ... -
Doping-mediated stabilization of copper vacancies to promote thermoelectric properties of Cu2-xS
(2021-07-01)
Article
Restricted access - publisher's policyCopper chalcogenides are outstanding thermoelectric materials for applications in the medium-high temperature range. Among different chalcogenides, while Cu2-xSe is characterized by higher thermoelectric figures of merit, ... -
Efecto de la distribución bimodal de grano en la ductilidad de hierro nanoestructurado obtenido por molienda mecánica
(EUETIB, 2013-12)
Conference lecture
Open AccessEl 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)
Conference lecture
Open AccessStrawberry 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
Open AccessThe 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
Open AccessCellulose 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)
Bachelor thesis
Restricted access - author's decision -
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)
Master thesis (pre-Bologna period)
Open AccessA 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)
Bachelor thesis
Restricted access - author's decision -
Functionally graded polyurethane/cellulose nanocrystal composites
(2018-06)
Article
Open AccessThe 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
Restricted access - publisher's policyWe 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
Open AccessPerovskite 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
Open AccessIn 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 ...
