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Articles 25 registres trobats  1 - 10següentfinal  anar al registre:
1.
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  
2.
8 p, 3.2 MB Understanding galvanic replacement reactions : the case of Pt and Ag / Merkoçi, Florind (Institut Català de Nanociència i Nanotecnologia) ; Patarroyo, Javier (Universitat Autònoma de Barcelona) ; Russo, Lorenzo (Institut Català de Nanociència i Nanotecnologia) ; Piella, Jordi (Institut Català de Nanociència i Nanotecnologia) ; Genç, Aziz (Institut Català de Nanociència i Nanotecnologia) ; Arbiol i Cobos, Jordi (Institut Català de Nanociència i Nanotecnologia) ; Gómez Bastús, Neus (Institut Català de Nanociència i Nanotecnologia) ; Puntes, Víctor (Institut Català de Nanociència i Nanotecnologia)
Synthesis of nanocrystals (NCs), where material science elements are addressed with organic chemistry precision techniques, is especially challenging and difficult to control. This difficulty arises from the increased complexity of the mineralization processes and the generation of a liquid-solid interface. [...]
2020 - 10.1016/j.mtadv.2019.100037
Materials Today Advances, Vol. 5 (March 2020) , art. 100037  
3.
8 p, 1.5 MB Hollow PdAg-CeO2 heterodimer nanocrystals as highly structured heterogeneous catalysts / Patarroyo, Javier (Institut Català de Nanociència i Nanotecnologia) ; Delgado, Jorge A. (Centre Tecnològic de la Química) ; Merkoçi, Florind (Institut Català de Nanociència i Nanotecnologia) ; Genç, Aziz (Institut Català de Nanociència i Nanotecnologia) ; Sauthier, Guillaume (Institut Català de Nanociència i Nanotecnologia) ; Llorca, Jordi (Universitat Politècnica de Catalunya. Departament d'Enginyeria Química) ; Arbiol i Cobos, Jordi (Institut Català de Nanociència i Nanotecnologia) ; Gómez Bastús, Neus (Institut Català de Nanociència i Nanotecnologia) ; Godard, Cyril (Universitat Rovira i Virgili. Departament de Química Física i Inorgànica) ; Claver, Carmen (Universitat Rovira i Virgili. Departament de Química Física i Inorgànica) ; Puntes, Víctor (Institut Català de Nanociència i Nanotecnologia)
In the present work, hollow PdAg-CeO 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 of alloying Pd with Ag in a single NC hollow domain with the formation of active sites at the interface with the CeO counterpart in an additive manner. [...]
2019 - 10.1038/s41598-019-55105-x
Scientific reports (Nature Publishing Group), Vol. 9 (December 2019) , art. 18776  
4.
15 p, 1.7 MB Robust one-pot synthesis of citrate-stabilized Au@CeO2 hybrid nanocrystals with different thickness and dimensionality / Gómez Bastús, Neus (Institut Català de Nanociència i Nanotecnologia) ; Piella, Jordi (Institut Català de Nanociència i Nanotecnologia) ; Pérez Brizuela, Sara (Institut Català de Nanociència i Nanotecnologia) ; Patarroyo, Javier (Institut Català de Nanociència i Nanotecnologia) ; Genç, Aziz (Institut Català de Nanociència i Nanotecnologia) ; Arbiol i Cobos, Jordi (Institut Català de Nanociència i Nanotecnologia) ; Puntes, Víctor (Institut Català de Nanociència i Nanotecnologia)
Well-defined colloidal Au@CeO hybrid nanocrystals (NCs) comprising different core/shell morphologies have been synthesized via a novel and simple one-pot aqueous approach. The method allows producing hybrid morphologies composed by an active and accessible Au core coated by a porous CeO shell with varying shell thickness and dimensionality by simply adjusting the Au /Ce precursor ratio. [...]
2019 - 10.1016/j.apmt.2019.03.003
Applied materials today, Vol. 15 (June 2019) , p. 445-452  
5.
9 p, 8.2 MB Tuning transport properties in thermoelectric nanocomposites through inorganic ligands and heterostructured building blocks / Ibáñez, Maria (EMPA-Swiss Federal Laboratories for Materials Science and Technology) ; Genç, Aziz (Institut Català de Nanociència i Nanotecnologia) ; Hasler, Roger (Empa-Swiss Federal Laboratories for Materials Science and Technology) ; Liu, Yu (Institute of Science and Technology Austria) ; Dobrozhan, Oleksandr (Institut de Recerca en Energia de Catalunya) ; Nazarenko, Olga (Empa-Swiss Federal Laboratories for Materials Science and Technology) ; De La Mata, Maria (Institut Català de Nanociència i Nanotecnologia) ; Arbiol i Cobos, Jordi (Institut Català de Nanociència i Nanotecnologia) ; Cabot, Andreu (Institut de Recerca en Energia de Catalunya) ; Kovalenko, Maksym V. (ETH Zürich. Department of Chemistry and Applied Biosciences)
Methodologies that involve the use of nanoparticles as "artificial atoms" to rationally build materials in a bottom-up fashion are particularly well-suited to control the matter at the nanoscale. Colloidal synthetic routes allow for an exquisite control over such "artificial atoms" in terms of size, shape, and crystal phase as well as core and surface compositions. [...]
2019 - 10.1021/acsnano.9b00346
ACS nano, Vol. 13, Issue 6 (June 2019) , p. 6572-6580  
6.
10 p, 816.7 KB Ligand-mediated band engineering in bottom-up assembled SnTe nanocomposites for thermoelectric energy conversion / Ibáñez, Maria (EMPA-Swiss Federal Laboratories for Materials Science and Technology) ; Hasler, Roger (Empa-Swiss Federal Laboratories for Materials Science and Technology) ; Genç, Aziz (Institut Català de Nanociència i Nanotecnologia) ; Liu, Yu (Institute of Science and Technology Austria) ; Kuster, Beatrice (Empa-Swiss Federal Laboratories for Materials Science and Technology) ; Schuster, Maximilian (ETH Zürich. Department of Chemistry and Applied Biosciences) ; Dobrozhan, Oleksandr (Institut de Recerca en Energia de Catalunya) ; Cadavid, Doris (Institut de Recerca en Energia de Catalunya) ; Arbiol i Cobos, Jordi (Institut Català de Nanociència i Nanotecnologia) ; Cabot, Andreu (Institut de Recerca en Energia de Catalunya) ; Kovalenko, Maksym V. (ETH Zürich. Department of Chemistry and Applied Biosciences)
The bottom-up assembly of colloidal nanocrystals is a versatile methodology to produce composite nanomaterials with precisely tuned electronic properties. Beyond the synthetic control over crystal domain size, shape, crystal phase, and composition, solution-processed nanocrystals allow exquisite surface engineering. [...]
2019 - 10.1021/jacs.9b01394
Journal of the American Chemical Society, Vol. 141, Issue 20 (May 2019) , p. 8025-8029  
7.
9 p, 1.5 MB Pd₂Sn [010] nanorods as a highly active and stable ethanol oxidation catalyst / Luo, Zhishan (Centre de Recerca en Energia de Catalunya) ; Lu, Jianmin (Chinese Academy of Sciences. Dalian Institute of Chemical Physics) ; Flox, Cristina (Institut de Recerca en Energia de Catalunya) ; Nafria, Raquel (Institut de Recerca en Energia de Catalunya) ; Genç, Aziz (Institut Català de Nanociència i Nanotecnologia) ; Arbiol i Cobos, Jordi (Institut Català de Nanociència i Nanotecnologia) ; Llorca, Jordi (Universitat Politècnica de Catalunya. Institut de Tècniques Energètiques) ; Ibáñez, Maria (Institut de Recerca en Energia de Catalunya) ; Morante, Joan Ramon (Institut de Recerca en Energia de Catalunya) ; Cabot, Andreu (Institut de Recerca en Energia de Catalunya)
The development of highly active, low cost and stable electrocatalysts for direct alcohol fuel cells remains a critical challenge. While Pd₂Sn has been reported as an excellent catalyst for the ethanol oxidation reaction (EOR), here we present DFT analysis results showing the (100) and (001) facets of orthorhombic PdSn to be more favourable for the EOR than (010). [...]
2016 - 10.1039/c6ta06430b
Journal of materials chemistry, Vol. 4, issue 42 (2016) , p. 16706-16713  
8.
12 p, 5.6 MB Surface modification of TiO₂ nanocrystals by WOx coating or wrapping : solvothermal synthesis and enhanced surface chemistry / Epifani, Mauro (Istituto per la Microelettronica e i Microsistemi (Lecce, Itàlia)) ; Díaz, Raül (Instituto IMDEA Energía (Móstoles, Madrid)) ; Force, Carmen (Universidad Rey Juan Carlos) ; Comini, Elisabetta (University of Brescia (Itàlia)) ; Manzanares, Marta (Institut de Recerca en Energia de Catalunya) ; Andreu, Teresa (Institut de Recerca en Energia de Catalunya) ; Genç, Aziz (Institut Català de Nanociència i Nanotecnologia) ; Arbiol i Cobos, Jordi (Institut Català de Nanociència i Nanotecnologia) ; Siciliano, Pietro (Istituto per la Microelettronica e i Microsistemi (Lecce, Itàlia)) ; Faglia, Guido (University of Brescia (Itàlia)) ; Morante, Joan Ramon (Institut de Recerca en Energia de Catalunya)
TiO₂ anatase nanocrystals were prepared by solvothermal processing of Ti chloroalkoxide in oleic acid, in the presence of W chloroalkoxide, with W/Ti nominal atomic concentration (Rw) ranging from 0. [...]
2015 - 10.1021/acsami.5b00632
ACS applied materials & interfaces, Vol. 7, no. 12 (Jan. 2015) , p. 6898-6908  
9.
7 p, 8.1 MB Size and aspect ratio control of Pd₂Sn nanorods and their water denitration properties / Luo, Zhishan (Centre de Recerca en Energia de Catalunya) ; Ibáñez, Maria (Institut de Recerca en Energia de Catalunya) ; Antolín, Ana M. (Universitat Rovira i Virgili. Departament d'Enginyeria Química) ; Genç, Aziz (Institut de Ciència de Materials de Barcelona) ; Shavel, Alexei (Institut de Recerca en Energia de Catalunya) ; Contreras, Sandra (Universitat Rovira i Virgili. Departament d'Enginyeria Química) ; Medina, Francesc (Universitat Rovira i Virgili. Departament d'Enginyeria Química) ; Arbiol i Cobos, Jordi (Institut Català de Nanociència i Nanotecnologia) ; Cabot, Andreu (Institut de Recerca en Energia de Catalunya)
Monodisperse Pd₂Sn nanorods with tuned size and aspect ratio were prepared by co-reduction of metal salts in the presence of trioctylphosphine, amine, and chloride ions. Asymmetric Pd₂Sn nanostructures were achieved by the selective desorption of a surfactant mediated by chlorine ions. [...]
2015 - 10.1021/la504906q
Langmuir, Vol. 31, issue 13 (April 2015) , p. 3952-3957  
10.
9 p, 3.3 MB High-yield synthesis and optical properties of g-C₃N₄ / Yuan, Yanwen (Nanyang Technological University. Division of Physics and Applied Physics) ; Zhang, Lulu (Nanyang Technological University. Division of Physics and Applied Physics) ; Xing, Jun (Nanyang Technological University. Division of Physics and Applied Physics) ; Utama, M. Iqbal Bakti (Nanyang Technological University. Division of Physics and Applied Physics) ; Lu, Xin (Nanyang Technological University. Division of Physics and Applied Physics) ; Du, Kezhao (Nanyang Technological University. Division of Physics and Applied Physics) ; Li, Yongmei (Nanyang Technological University. School of Materials Science and Engineering) ; Hu, Xiao (Nanyang Technological University. School of Materials Science and Engineering) ; Wang, Shijie (Institute of Materials Research & Engineering, Agency for Science, Technologies and Research (Singapore)) ; Genç, Aziz (Institut Català de Nanociència i Nanotecnologia) ; Dunin-Borkowski, Rafal (Forschungszentrum Jülich - Peter Grünberg Institut) ; Arbiol i Cobos, Jordi (Institut Català de Nanociència i Nanotecnologia) ; Xiong, Qihua (Nanyang Technological University. Division of Physics and Applied Physics)
Graphitic carbon nitride (g-C₃N₄), a metal-free semiconductor with a band gap of 2. 7 eV, has received considerable attention owing to its fascinating photocatalytic performances under visible-light. [...]
2015 - 10.1039/c5nr02905h
Nanoscale, Vol. 7 Núm. 29 (july 2015) , p. 12343-12350  

Articles : 25 registres trobats   1 - 10següentfinal  anar al registre:
Documents de recerca 1 registres trobats  
1.
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
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