Now showing items 21-40 of 45

    • In situ environmental HRTEM discloses low temperature carbon soot oxidation by ceria-zirconia at the nanoscale 

      Aneggi, Eleonora; Llorca Piqué, Jordi; Trovarelli, Alessandro; Aouine, Mimoun; Vernoux, Philippe (2019-04-07)
      Article
      Open Access
      The very close contact between ceria–zirconia and carbon soot allows the detection of oxygen transfer from ceria–zirconia to carbon by in situ Environmental HRTEM already at low temperatures. This highlights the outstanding ...
    • In vitro characterization of a nanostructured fibrin agarose bio-artificial nerve substitute 

      Carriel, Victor; Scionti, Giuseppe; Campos, Fernando; Roda, Olga; Castro, Begoña; Cornelissen, Maria; Garzón Bello, Ingrid Johanna; Alaminos Mingorance, Miguel (2015-07-14)
      Article
      Open Access
      Neural tissue engineering is focused on the design of novel biocompatible substitutes to repair peripheral nerve injuries. In this paper we describe a nanostructured fibrin–agarose bioartificial nerve substitute (NFABNS), ...
    • Las promesas de la nanotecnología 

      Sureda Anfres, Miquel; Casals Terré, Jasmina (Grupo Tecnipublicaciones, 2014-01)
      Article
      Restricted access - publisher's policy
      No cabe duda de que el camino que nos depara la nanotecnología es muy prometedor. Ropa de repelerá el agua, ordenadores quánticos, píldoras inteligentes o teléfonos móviles cargados con el calor humano. Todos estos desarrollos ...
    • Ligand and support effects on the reactivity and stability of Au38(SR)24 catalysts in oxidation reactions 

      Zhang, Bei; García Yago, Clara; Sels, A.; Salassa, Giovanni; Rameshan, Christoph; Llorca Piqué, Jordi; Hradil, Klaudia; Rupprechter, Guenther; Barrabés, N.; Bürgi, T. (2019-10-01)
      Article
      Open Access
      Thiolate protected metal nanoclusters are emerging materials for the preparation of atomically defined heterogeneous catalysts. Recently it was revealed that the ligands migrated to the support upon cluster deposition, ...
    • Materiales nanoestructurados por autoensamblaje de dipéptidos y tetrapéptidos de fenilalanina 

      Juárez Cámara, Rubén (Universitat Politècnica de Catalunya, 2015-04)
      Master thesis (pre-Bologna period)
      Open Access
      En los últimos años, la investigación y el desarrollo de materiales con propiedades de biocompatibilidad y/o biodegradabilidad se han convertido en un vector de gran importancia en la ciencia de materiales. Con este ...
    • Modificació de sistemes epoxi-anhídrid amb estructures de nucli de poli(etilenimina) i braços de poli(ε-caprolactona) bloquejats 

      Alorda Arrom, Miquel (Universitat Politècnica de Catalunya, 2015-04)
      Master thesis (pre-Bologna period)
      Open Access
      L’objectiu del treball és la preparació i caracterització de nous materials termostables epoxídics amb la finalitat de disminuir l’inherent fragilitat d’aquests sistemes, sense tenir una pèrdua significativa d’altres ...
    • Nanoindentación de capas finas de ZrW 

      Lucchini, Romain (Universitat Politècnica de Catalunya, 2009-02)
      Master thesis (pre-Bologna period)
      Open Access
      El objetivo de este proyecto es de determinar el mejor modelo analítico para caracterizar el comportamiento mecánico (modulo elástico y dureza) de una capa fina de ZrW depositada sobre un sustrato de sílice. Para el ...
    • New masking methods for nano-structured optical surfaces with antireflective and superhydrophobic properties 

      Casademont Cavero, Maria (Universitat Politècnica de Catalunya, 2014-09-08)
      Master thesis
      Open Access
      [ANGLÈS] In this Thesis, three new masking techniques are studied and developed to nano-structure optical surfaces. The three nano-structuring techniques can provide antireflection and/or superhydrophobic behaviour. ...
    • Nonlinear optical properties of organo-metallic films 

      Mariano Juste, Marina (Universitat Politècnica de Catalunya, 2009-07-09)
      Master thesis
      Open Access
      Joining organic molecules and metallic nanoparticles into coupled heterostruc- tures allows tuning their optical properties and o®ers novel possibilities for manipulating their emission patterns. This Master Thesis is ...
    • Obtenció i caracterització de materials compostos base alumini reforçats amb partícules ceràmiques de SiC mitjançant molturació mecànica i posterior compactació en calent 

      Bernal Ruiz, Albert (Universitat Politècnica de Catalunya, 2010-01-29)
      Master thesis (pre-Bologna period)
      Open Access
      Covenantee:   Centre de Disseny d’Aliatges Lleugers i Tractaments de Superfícies
      Les necessitats de la tecnologia moderna, juntament amb les mesures mediambientals cada cop més severes, han dut a la recerca de nous materials d’elevades prestacions que superin les propietats dels materials coneguts ...
    • Propuesta metodológica para el estudio de viabilidad e idoneidad en el uso de nanocompuestos para piezas plásticas de automoción 

      Carod de Arriba, Xavier (Universitat Politècnica de Catalunya, 2015-12-22)
      Doctoral thesis
      Open Access
      Nanotechnology and specially nanomaterials, offer a range of opportunities for the automotive industry. The improvement of physical and chemical properties or the development of new functionalities in the vehicle has driven ...
    • Role of Nanoparticle Surface Charge on the Nucleation of the Electroactive ß-Poly(vinylidene ¿uoride) Nanocomposites for Sensor and Actuator Applications 

      Martins, Pedro; Caparrós Vázquez, Cristina Maria; Gonçalves, Renato; Manuel, Pedro; Benelmekki, Maria; Botelho, Gabriela; Lanceros Méndez, Senentxu (2012-06-26)
      Article
      Restricted access - publisher's policy
      The electroactive ß-phase of poly(vinylidene fluoride) (PVDF) can be nucleated by introducing CoFe2O4 nanoparticles within the polymer matrix, leading to electroactive materials with large potential for sensor and actuator ...
    • Scale effect in mechanical characterization of WC-Co composites 

      Sandoval Ravotti, Daniela Andreina; Rinaldi, Antonio; Tarragó, José María; Roa Rovira, Joan Josep; Fair, Jonathan; Llanes Pitarch, Luis Miguel (2018-04-01)
      Article
      Open Access
      © 2017 Elsevier LtdThe study of mechanical response of materials at small length scales has gained importance due to the recent advances in micro- and nano-fabrication as well as testing systems. However, most of the ...
    • Silica base mesoporous nanorods for biomedical app 

      Escofet Escuder, Oriol (Universitat Politècnica de Catalunya, 2022-07-05)
      Master thesis
      Restricted access - confidentiality agreement
      Covenantee:   Institut de Ciència de Materials de Barcelona
      Actualmente uno de los principales retos que se plantean en el campo de la medicina es la explotación de materiales mesoporosos basados en sílice para el transporte, almacenamiento y liberación de fármacos de forma localizada ...
    • Silicon Nanopillar Solar Cells Made by Near Field Phase-Shift Photolithography 

      Canales Mundet, Ignasi (Universitat Politècnica de Catalunya, 2012)
      Master thesis (pre-Bologna period)
      Open Access
      A novel photolithographic technique which promises quick and easy large area patterning is explored to satisfy the nanowire applications requirements. Nanohole patterns for ordered nanowire growth and nanopillar arrays ...
    • Simulation basis for a techno-economic evaluation of chitin nanomaterials production process using Aspen Plus® software 

      Larbi, Fatma; García Nuñez, Araceli; Valle Mendoza, Luis Javier del; Hamou, Ahmed; Puiggalí Bellalta, Jordi; Belgacem, Naceur; Bras, Julien (Elsevier, 2018-10-01)
      Article
      Open Access
      Process simulation is a useful tool that has been widely used to analyze, design and optimize energy balances in chemical technologies including those related to biomass processing, biorefinery processes and chemical ...
    • Single-walled carbon nanotubes characterization by Electron Spin Resonance spectroscopy 

      Abiad Monge, Aida; Pérez Puigdemont, Jordi; Ferrer Anglada, Núria; Roth, Segmar (2010)
      Conference report
      Restricted access - confidentiality agreement
      Carbon nanotubes (CNTs) are interesting candidates for the development of new electronic devices and sensors due to their small size and their mechanical, optical and electrical properties [1-6]. Well-characterized ...
    • Solution-growth and optoelectronic properties of ZnO:Cl@ZnS core-shell nanowires with tunable shell thickness 

      Fan, Jiandong; Fábrega, Cristian; Zamani, Reza; Shavel, Alexey; Güell, Frank; Carrete, Alex; Andreu, Teresa; López Martínez, Antonio Miguel; Morante Lleonart, Joan Ramon; Arbiol, Jordi; Cabota, Andreu (2013-04-05)
      Article
      Restricted access - publisher's policy
      Arrays of vertically aligned ZnO:Cl@ZnS core–shell nanowires (NWs) were grown by a facile low-cost, high-yield and seed-free two-step process. These NWs were used to demonstrate the potential of 3D electrodes based on ...
    • Solution-processed ultrathin SnS 2 -Pt nanoplates for photoelectrochemical water oxidation 

      Zuo, Yong; Liu, Yongpeng; Li, Junshan; Du, Ruifeng; Yu, Xiaoting; Xing, Congcong; Zhang, Ting; Yao, Liang; Arbiol, Jordi; Llorca Piqué, Jordi; Sivula, Kevin; Guijarro, Néstor; Cabot Codina, Andreu (2019-02-20)
      Article
      Open Access
      Tin disulfide (SnS2) is attracting significant interest due to the abundance of its elements and its excellent optoelectronic properties in part related to its layered structure. In this work, we detail the preparation of ...
    • Stiffness-changing of polymer nanocomposites with cellulose nanocrystals and polymeric dispersant 

      Meesorn, Worarin; Zoppe, Justin Orazio; Weder, Christoph (2019-05)
      Article
      Open Access
      Bio-inspired, water-responsive, mechanically adaptive nanocomposites are reported based on cellulose nanocrystals (CNCs), poly(ethylene oxide-co-epichlorohydrin) (EO-EPI), and a small amount of poly(vinyl alcohol) (PVA), ...