Resultados globales: 125 registros encontrados en 0.02 segundos.
Artículos, Encontrados 119 registros
Documentos de investigación, Encontrados 6 registros
Artículos Encontrados 119 registros  1 - 10siguientefinal  ir al registro:
1.
15 p, 3.4 MB Photodehydrogenation of ethanol over CuO/TiO heterostructures / Xing, Congcong (Institut Català d'Energia de Catalunya) ; Zhang, Yu (Institut Català d'Energia de Catalunya) ; Liu, Yongpeng (École Polytechnique Fédérale de Lausanne. Laboratory for Molecular Engineering of Optoelectronic Nanomaterials) ; Wang, Xiang (Institut Català d'Energia de Catalunya) ; Li, Junshan (Institut Català d'Energia de Catalunya) ; Martínez-Alanis, Paulina R (Institut de Nanociència i Nanotecnologia) ; Spadaro, Maria Chiara (Institut Català de Nanociència i Nanotecnologia) ; Guardia, Pablo (Institut Català d'Energia de Catalunya) ; Arbiol i Cobos, Jordi (Institut Català de Nanociència i Nanotecnologia) ; Llorca, Jordi (Universitat Politècnica de Catalunya. Departament d'Enginyeria Química) ; Cabot, Andreu (Institució Catalana de Recerca i Estudis Avançats)
The photodehydrogenation of ethanol is a sustainable and potentially cost-effective strategy to produce hydrogen and acetaldehyde from renewable resources. The optimization of this process requires the use of highly active, stable and selective photocatalytic materials based on abundant elements and the proper adjustment of the reaction conditions, including temperature. [...]
2021 - 10.3390/nano11061399
Nanomaterials, Vol. 11, issue 6 (June 2021) , art. 1399  
2.
45 p, 3.4 MB Decoupling the effects of defects on efficiency and stability through phosphonates in stable halide perovskite solar cells / Xie, Haibing (Institut Català de Nanociència i Nanotecnologia) ; Wang, Zaiwei (École Polytechnique Fédérale de Lausanne. Institute of Chemical Sciences and Engineering) ; Chen, Zehua (Eindhoven University of Technology. Department of Applied Physics.) ; Pereyra, Carlos (Institut Català de Nanociència i Nanotecnologia) ; Pols, Mike (Eindhoven University of Technology. Department of Applied Physics) ; Gałkowski, Krzysztof (University of Cambridge. Cavendish Laboratory) ; Anaya, Miguel (University of Cambridge. Cavendish Laboratory) ; Fu, Shuai (Max-Planck Institute for polymer Research) ; Jia, Xiaoyu (Max-Planck Institute for polymer Research) ; Tang, PengYi (Institut Català de Nanociència i Nanotecnologia) ; Kubicki, Dominik Józef (University of Cambridge. Cavendish Laboratory) ; Agarwalla, Anand (École Polytechnique Fédérale de Lausanne. Institute of Chemical Sciences and Engineering) ; Kim, Hui-Seon (École Polytechnique Fédérale de Lausanne. Institute of Chemical Sciences and Engineering) ; Prochowicz, Daniel (École Polytechnique Fédérale de Lausanne. Institute of Chemical Sciences and Engineerings) ; Borrisé, Xavier (Institut de Microelectrònica de Barcelona) ; Bonn, Mischa (Max-Planck Institute for polymer Research) ; Bao, Chunxiong (Linköping University. Department of Physics, Chemistry and Biology) ; Sun, Xiaoxiao (Empa-Swiss Federal Laboratories for Materials Science and Technology. Laboratory for Thin Films and Photovoltaics) ; Zakeeruddin, Shaik Mohammed (École Polytechnique Fédérale de Lausanne. Institute of Chemical Sciences and Engineering) ; Emsley, Lyndon (École Polytechnique Fédérale de Lausanne. Institute of Chemical Sciences and Engineering) ; Arbiol i Cobos, Jordi (Institut Català de Nanociència i Nanotecnologia) ; Gao, Feng (Linköping University. Department of Physics, Chemistry and Biology) ; Fu, Fan (Empa-Swiss Federal Laboratories for Materials Science and Technology. Laboratory for Thin Films and Photovoltaics) ; Wang, Hai I. (Max-Planck Institute for polymer Research) ; Tielrooij, Klaas-Jan (Institut Català de Nanociència i Nanotecnologia) ; Stranks, Samuel D. (University of Cambridge. Cavendish Laboratory) ; Tao, Shuxia (Eindhoven University of Technology. Center for Computational Energy Research, Applied Physics) ; Grätzel, Michael (École Polytechnique Fédérale de Lausanne. Institute of Chemical Sciences and Engineering) ; Hagfeldt, Anders (École Polytechnique Fédérale de Lausanne. Institute of Chemical Sciences and Engineering) ; Lira-Cantu, Monica (Institut Català de Nanociència i Nanotecnologia)
Understanding defects is of paramount importance for the development of stable halide perovskite solar cells (PSCs). However, isolating their distinctive effects on device efficiency and stability is currently a challenge. [...]
2021 - 10.1016/j.joule.2021.04.003
Joule, Vol. 5, Issue 5 (May 2021) , p. 1246-1266  
3.
7 p, 4.9 MB Exploiting the lability of metal halide perovskites for doping semiconductor nanocomposites / Calcabrini, Mariano (Institute of Science and Technology Austria) ; Genç, Aziz (Institut Català de Nanociència i Nanotecnologia) ; Liu, Yu (Institute of Science and Technology Austria) ; Kleinhanns, Tobias (Institute of Science and Technology Austria) ; Lee, Seungho (Institute of Science and Technology Austria) ; Dirin, Dmitry N. (ETH Zürich. Department of Chemistry and Applied Biosciences) ; Akkerman, Quinten A. (ETH Zürich. Department of Chemistry and Applied Biosciences) ; Kovalenko, Maksym V. (Empa-Swiss Federal Laboratories for Materials Science and Technology) ; Arbiol i Cobos, Jordi (Institut Català de Nanociència i Nanotecnologia) ; Ibáñez, Maria (Institute of Science and Technology Austria)
Cesium lead halides have intrinsically unstable crystal lattices and easily transform within perovskite and nonperovskite structures. In this work, we explore the conversion of the perovskite CsPbBr into CsPbBr in the presence of PbS at 450 °C to produce doped nanocrystal-based composites with embedded CsPbBr nanoprecipitates. [...]
2021 - 10.1021/acsenergylett.0c02448
ACS Energy Letters, Vol. 6, issue 2 (Feb. 2021) , p. 581-587  
4.
25 p, 4.0 MB A SnS2 molecular precursor for conformal nanostructured coatings / Zuo, Yong (Universitat de Barcelona. Departament d'Enginyeria Electrònica i Biomèdica) ; Li, Junshan (Universitat de Barcelona. Departament d'Enginyeria Electrònica i Biomèdica) ; Yu, Xiaoting (Universitat de Barcelona. Departament d'Enginyeria Electrònica i Biomèdica) ; Du, Ruifeng (Universitat de Barcelona. Departament d'Enginyeria Electrònica i Biomèdica) ; Zhang, Ting (Institut Català de Nanociència i Nanotecnologia) ; Wang, Xiang (Universitat de Barcelona. Departament d'Enginyeria Electrònica i Biomèdica) ; Arbiol i Cobos, Jordi (Institut Català de Nanociència i Nanotecnologia) ; Llorca, Jordi (Universitat Politècnica de Catalunya. Departament d'Enginyeria Química) ; Cabot, Andreu (Institut de Recerca en Energia de Catalunya)
We present a simple, versatile, and scalable procedure to produce SnS nanostructured layers based on an amine/thiol-based molecular ink. The ratios amine/thiol and Sn/S, and the reaction conditions, are systematically investigated to produce phase-pure SnS planar and conformal layers with a tremella-like SnS morphology. [...]
2020 - 10.1021/acs.chemmater.9b05241
Chemistry of materials, Vol. 32 issue 5 (March 2020) , p. 2097-2106  
5.
8 p, 1.5 MB 3D ordering at the liquid-solid polar interface of nanowires / Zamani, Mahdi (École Polytechnique Fédérale de Lausanne. Laboratory of Semiconductor Materials) ; Imbalzano, Giulio (École Polytechnique Fédérale de Lausanne. Laboratory of Computational Science and Modeling) ; Tappy, Nicolas (École Polytechnique Fédérale de Lausanne. Laboratory of Semiconductor Materials) ; Alexander, Duncan T.L. (École Polytechnique Fédérale de Lausanne. Institute of Physics) ; Martí-Sánchez, Sara (Institut Català de Nanociència i Nanotecnologia) ; Ghisalberti, Lea (École Polytechnique Fédérale de Lausanne. Laboratory of Semiconductor Materials) ; Ramasse, Quentin M. (University of Leeds. School of Physics and Astronomy) ; Friedl, Martin (École Polytechnique Fédérale de Lausanne. Laboratory of Semiconductor Materials) ; Tütüncüoglu, Gözde (École Polytechnique Fédérale de Lausanne. Laboratory of Semiconductor Materials) ; Francaviglia, Luca (École Polytechnique Fédérale de Lausanne. Laboratory of Semiconductor Materials) ; Bienvenue, Sebastien (École Polytechnique Fédérale de Lausanne. Laboratory of Computational Science and Modeling) ; Hébert, Cécile (École Polytechnique Fédérale de Lausanne. Institute of Physics) ; Arbiol i Cobos, Jordi (Institut Català de Nanociència i Nanotecnologia) ; Ceriotti, Michele (École Polytechnique Fédérale de Lausanne. Laboratory of Computational Science and Modeling) ; Fontcuberta i Morral, Anna (École Polytechnique Fédérale de Lausanne. Laboratory of Semiconductor Materials)
The nature of the liquid-solid interface determines the characteristics of a variety of physical phenomena, including catalysis, electrochemistry, lubrication, and crystal growth. Most of the established models for crystal growth are based on macroscopic thermodynamics, neglecting the atomistic nature of the liquid-solid interface. [...]
2020 - 10.1002/adma.202001030
Advanced materials, Vol. 32, issue 38 (Sep. 2020) , art. 2001030  
6.
29 p, 1.7 MB Coherent epitaxial semiconductor-ferromagnetic insulator InAs/EuS interfaces : band alignment and magnetic structure / Liu, Yu (Microsoft Quantum Materials Lab Copenhagen) ; Luchini, Alessandra (Niels Bohr Institute) ; Martí-Sánchez, Sara (Institut Català de Nanociència i Nanotecnologia) ; Koch, Christian (Institut Català de Nanociència i Nanotecnologia) ; Schuwalow, Sergej (Niels Bohr Institute) ; Khan, Sabbir A. (Niels Bohr Institute) ; Stankevič, Tomas (Microsoft Quantum Materials Lab Copenhagen) ; Francoual, Sonia (Deutsches Elektronen-Synchrotron Desy) ; Mardegan, Jose R.L. (Deutsches Elektronen-Synchrotron Desy) ; Krieger, Jonas A. (Paul Scherrer Institut (Suïssa)) ; Strocov, Vladimir N. (Paul Scherrer Institut (Suïssa)) ; Stahn, Jochen (Paul Scherrer Institut (Suïssa)) ; Vaz, Carlos A.F. (Paul Scherrer Institut (Suïssa)) ; Ramakrishnan, Mahesh (Paul Scherrer Institut (Suïssa)) ; Staub, Urs (Paul Scherrer Institut (Suïssa)) ; Lefmann, Kim (Niels Bohr Institute) ; Aeppli, Gabriel (Paul Scherrer Institut (Suïssa)) ; Arbiol i Cobos, Jordi (Institut Català de Nanociència i Nanotecnologia) ; Krogstrup, Peter (Niels Bohr Institute)
Hybrid semiconductor-ferromagnetic insulator heterostructures are interesting due to their tunable electronic transport, self-sustained stray field, and local proximitized magnetic exchange. In this work, we present lattice-matched hybrid epitaxy of semiconductor-ferromagnetic insulator InAs/EuS heterostructures and analyze the atomic-scale structure and their electronic and magnetic characteristics. [...]
2020 - 10.1021/acsami.9b15034
ACS applied materials & interfaces, Vol. 12, issue 7 (Feb. 2020) , p. 8780-8787  
7.
17 p, 2.0 MB Phosphorous incorporation in Pd₂Sn alloys for electrocatalytic ethanol oxidation / Yu, Xiaoting (Institut de Recerca en Energia de Catalunya) ; Liu, Junfeng (Jiangsu University. School of Chemistry and Chemical Engineering) ; Li, Junshan (University of Electronic Science and Technology of China. Institute of Fundamental and Frontier Sciences) ; Luo, Zhishan (Southern University of Science and Technology. Department of Chemistry) ; Zuo, Yong (Institut de Recerca en Energia de Catalunya) ; Xing, Congcong (Institut de Recerca en Energia de Catalunya) ; Llorca, Jordi (Universitat Politècnica de Catalunya. Departament d'Enginyeria Química) ; Nasiou, Déspina (Institut Català de Nanociència i Nanotecnologia) ; Arbiol i Cobos, Jordi (Institut Català de Nanociència i Nanotecnologia) ; Pan, Kai (Heilongjiang University. Key Laboratory of Functional Inorganic Material Chemistry) ; Kleinhanns, Tobias (IST Austria) ; Xie, Ying (Heilongjiang University. Key Laboratory of Functional Inorganic Material Chemistry) ; Cabot, Andreu (Institut de Recerca en Energia de Catalunya)
Direct ethanol fuel cells (DEFCs) show a huge potential to power future electric vehicles and portable electronics, but their deployment is currently limited by the unavailability of proper electrocatalysis for the ethanol oxidation reaction (EOR). [...]
2020 - 10.1016/j.nanoen.2020.105116
Nano Energy, Vol. 77 (Nov. 2020) , art. 105116  
8.
14 p, 763.7 KB Selective methanol-to-formate electrocatalytic conversion on branched nickel carbide / Li, Junshan (University of Electronic Science and Technology of China. Molecular Electrochemistry Laboratory) ; Wei, Ruilin (Southwest Minzu University. School of Chemistry and Environment) ; Wang, Xiang (Institut de Recerca en Energia de Catalunya) ; Zuo, Yong (Institut de Recerca en Energia de Catalunya) ; Han, Xu (Institut Català de Nanociència i Nanotecnologia) ; Arbiol i Cobos, Jordi (Institut Català de Nanociència i Nanotecnologia) ; Llorca, Jordi (Universitat Politècnica de Catalunya. Departament d'Enginyeria Química) ; Yang, Yaoyue (Southwest Minzu University. School of Chemistry and Environment) ; Cabot, Andreu (Institut de Recerca en Energia de Catalunya) ; Cui, Chunhua (University of Electronic Science and Technology of China. Molecular Electrochemistry Laboratory)
A methanol economy will be favored by the availability of low-cost catalysts able to selectively oxidize methanol to formate. This selective oxidation would allow extraction of the largest part of the fuel energy while concurrently producing a chemical with even higher commercial value than the fuel itself. [...]
2020 - 10.1002/anie.202004301
Angewandte Chemie (International ed. Internet), Vol. 59, issue 47 (Nov. 2020) , p. 20826-20830  
9.
30 p, 3.1 MB Semiconductor-ferromagnetic insulator-superconductor nanowires : stray field and exchange field / Liu, Yu (University of Copenhagen. Center for Quantum Devices) ; Vaitiekenas, Saulius (University of Copenhagen. Niels Bohr Institute) ; Martí-Sánchez, Sara (Institut Català de Nanociència i Nanotecnologia) ; Koch, Christian (Institut Català de Nanociència i Nanotecnologia) ; Hart, Sean (Stanford University. Department of Physics) ; Cui, Zheng (Stanford University. Department of Applied Physics) ; Kanne, Thomas (University of Copenhagen. Niels Bohr Institute) ; Khan, Sabbir A. (University of Copenhagen. Niels Bohr Institute) ; Tanta, Rawa (University of Copenhagen. Niels Bohr Institute) ; Upadhyay, Shivendra (University of Copenhagen. Niels Bohr Institute) ; Cachaza, Martin Espiñeira (University of Copenhagen. Niels Bohr Institute) ; Marcus, Charles M. (University of Copenhagen. Niels Bohr Institute) ; Arbiol i Cobos, Jordi (Institut Català de Nanociència i Nanotecnologia) ; Moler, Kathryn A. (Stanford University. Department of Applied Physics) ; Krogstrup, Peter (University of Copenhagen. Niels Bohr Institute)
Nanowires can serve as flexible substrates for hybrid epitaxial growth on selected facets, allowing for the design of heterostructures with complex material combinations and geometries. In this work we report on hybrid epitaxy of freestanding vapor-liquid-solid grown and in-plane selective area grown semiconductor-ferromagnetic insulator-superconductor (InAs/EuS/Al) nanowire heterostructures. [...]
2020 - 10.1021/acs.nanolett.9b04187
Nano letters, Vol. 20, issue 1 (Jan. 2020) , p. 456-462  
10.
10 p, 3.8 MB GaAs nanoscale membranes : prospects for seamless integration of III-Vs on silicon / Raya, Andrés M. (Instituto de Micro y Nanotecnología) ; Friedl, Martin (École Polytechnique Fédérale de Lausanne. Laboratoire des Matériaux Semiconducteurs) ; Martí-Sánchez, Sara (Institut Català de Nanociència i Nanotecnologia) ; Dubrovskii, Vladimir G. (ITMO University) ; Francaviglia, Luca (École Polytechnique Fédérale de Lausanne. Laboratoire des Matériaux Semiconducteurs) ; Alén, Benito (Instituto de Micro y Nanotecnología) ; Morgan, Nicholas (École Polytechnique Fédérale de Lausanne. Laboratoire des Matériaux Semiconducteurs) ; Tütüncüoglu, Gözde (École Polytechnique Fédérale de Lausanne. Laboratoire des Matériaux Semiconducteurs) ; Ramasse, Quentin M. (University of Leeds. School of Physics) ; Fuster, David (Instituto de Micro y Nanotecnología) ; Llorens, José M. (Instituto de Micro y Nanotecnología) ; Arbiol i Cobos, Jordi (Institut Català de Nanociència i Nanotecnologia) ; Fontcuberta i Morral, Anna (École Polytechnique Fédérale de Lausanne. Institute of Physics)
The growth of compound semiconductors on silicon has been widely sought after for decades, but reliable methods for defect-free combination of these materials have remained elusive. Recently, interconnected GaAs nanoscale membranes have been used as templates for the scalable integration of nanowire networks on III-V substrates. [...]
2020 - 10.1039/c9nr08453c
Nanoscale, Vol. 12, issue 2 (2020) , p. 815-824  

Artículos : Encontrados 119 registros   1 - 10siguientefinal  ir al registro:
Documentos de investigación Encontrados 6 registros  
1.
I Doctorate Program in Materials Science PhD Thesis Zn-Based Metal-Organic Frameworks Derived Materials for High-Efficient Carbon Dioxide Electrochemical Reduction / Zhang, Ting ; Arbiol i Cobos, Jordi, dir. ; Morante i Lleonart, Joan Ramon, dir.
La combustió excessiva de combustibles fòssils té com a resultat l'emissió de diòxid de carboni (CO2), que està desencadenant problemes ambientals creixents, com ara l'escalfament global, l'augment del nivell del mar, el clima extrem i l'extinció d'espècies. [...]
La combustión excesiva de combustibles fósiles da como resultado la emisión de dióxido de carbono (CO2), que desencadenó crecientes problemas ambientales, como el calentamiento global, el aumento del nivel del mar, el clima extremo y la extinción de especies. [...]
The excessive combustion of fossil fuels results in the emission of carbon dioxide (CO2), which triggers increasing environmental problems, such as, global warming, rising sea levels, extreme weather, and species extinction. [...]

2021  
2.
Growth mechanisms and properties of semiconductor nanowires at the atomic scale : From VLS to SAG quantum networks / Martí-Sánchez, Sara ; Arbiol i Cobos, Jordi, dir. ; Sort Viñas, Jordi, dir.
Els nanofils de semiconductors binaris i els seus aliatges tenen característiques per superar les tecnologies convencionals basades en semiconductors ja que presenten propietats millorades comparades amb els seus equivalents macro o microscopics. [...]
Los nanohilos de semiconductores binarios i sus aleaciones tienen características para superar las tecnologías convencionales basadas en semiconductores ya que presentan propiedades mejoradas en comparación con sus equivalentes macro o microscópicos. [...]
Nanowires based on binary semiconductors and their alloys have a great potential to overcome conventional semiconductor technologies. They present enhanced properties with respect to their bulk counterparts, which goes accompanied with a reduction of materials consumption and higher efficiencies. [...]

2020  
3.
241 p, 20.6 MB Semiconductor composite materials for energy storage and conversion applications / Tang, PengYi ; Arbiol i Cobos, Jordi, dir. ; Morante, Joan Ramon, dir. ; Sort Viñas, Jordi, dir. ; Universitat Autònoma de Barcelona. Departament de Física
L'energia que s'origina de combustibles fòssils ha permés avenços molt remarcables a la nostra civilització durant el segle passat. No obstant, els combustibles fòssils no son il·limitats i suposen una font d'increment del diòxid de carboni a l'atmòsfera, amb els seus conseqüents efectes ambientals nocius. [...]
L'energia que s'origina de combustibles fòssils ha permés avenços molt remarcables a la nostra civilització durant el segle passat. No obstant, els combustibles fòssils no son il·limitats i suposen una font d'increment del diòxid de carboni a l'atmòsfera, amb els seus conseqüents efectes ambientals nocius. [...]
The energy originated from fossil fuels has enabled the remarkable advancement of civilization over the past century. However, fossil fuels are not infinite in supply and they are a source of increasing atmospheric carbon dioxide and the associated abominable environmental effects. [...]

[Bellaterra] : Universitat Autònoma de Barcelona, 2019.  
4.
119 p, 5.5 MB Atomic scale characterization of semiconductor non-planar nanostructures / Mata Fernández, María de la ; Arbiol i Cobos, Jordi, dir. ; Granados García, Xavier, dir. ; Universitat Autònoma de Barcelona. Departament de Física
Las nanoestructuras semiconductoras son bloques de construcción con gran potencial para ser integrados en numerosos dispositivos tecnológicos, además de ser plataformas ideales para el estudio de principios físicos fundamentales. [...]
Semiconductor nanostructures are building blocks with high potential to be integrated in a wide variety of technological devices, in addition to be ideal platforms for the study of fundamental physical principles. [...]

[Bellaterra] : Universitat Autònoma de Barcelona, 2015
2 documentos
5.
106 p, 4.0 MB Plasmonic nanoengineering in hollow metal nanostructures: an electron energy-loss spectroscopy study / Genç, Aziz ; Arbiol i Cobos, Jordi, dir. (Institut Català de Nanociència i Nanotecnologia) ; Granados García, Xavier, tut. (Institut de Ciència de Materials de Barcelona) ; Universitat Autònoma de Barcelona. Departament de Física
Resumen en Español Las nanoestructuras metálicas están siendo objeto de gran atención dada su capacidad para generar resonancias plasmónicas, que son oscilaciones colectivas de electrones alojados en la banda de conducción en un metal excitado por efecto de un campo electromagnético. [...]
Metallic nanostructures have received great attention due to their ability to generate surface plasmon resonances, which are the collective oscillations of conduction band electrons in a metal excited by an electromagnetic field. [...]

[Barcelona] : Universitat Autònoma de Barcelona, 2015
4 documentos
6.
152 p, 12.6 MB In-depth investigation of the origin, evolution and interaction of structural defects in YBCO nanocomposite thin films / Guzmán Aluja, Roger ; Sánchez Moreno, Álvaro, tut. (Universitat Autònoma de Barcelona. Departament de Física) ; Gázquez Alabart, Jaume, dir. ; Arbiol i Cobos, Jordi, dir. (Institut Català de Nanociència i Nanotecnologia) ; Universitat Autònoma de Barcelona. Departament de Física ; Universitat Autònoma de Barcelona. Institut de Ciència de Materials de Barcelona
Des del descobriment de la superconductivitat d'alta temperatura (HTS), el desenvolupament tecnològic d'un cable superconductor d'alta corrent ha sigut una prioritat per aprofitar plenament les seves capacitats de transport corrent elèctric. [...]
Since the discovery of high-temperature superconductivity (HTS) in cuprate materials, efforts have focused on developing a high-current superconducting wire technology to fully exploit their fundamental current-carrying capability. [...]

[Barcelona] : Universitat Autònoma de Barcelona, 2014  

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