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11 p, 6.0 MB |
Mechanochromic detection for soft opto-magnetic actuators
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Güell-Grau, Pau (Institut de Microelectrònica de Barcelona) ;
Escudero, Pedro (Institut de Microelectrònica de Barcelona) ;
Perdikos, Filippos Giannis (Institut Català de Nanociència i Nanotecnologia) ;
López-Barbera, José Francisco (Universitat Autònoma de Barcelona. Departament de Física) ;
Pascual-Izarra, Carlos (ALBA Laboratori de Llum de Sincrotró) ;
Villa, Rosa (Institut de Microelectrònica de Barcelona) ;
Nogués, Josep (Institut Català de Nanociència i Nanotecnologia) ;
Sepúlveda, Borja (Institut Català de Nanociència i Nanotecnologia) ;
Alvarez, Mar (Institut de Microelectrònica de Barcelona)
New multi-stimuli responsive materials are required in smart systems applications to overcome current limitations in remote actuation and to achieve versatile operation in inaccessible environments. The incorporation of detection mechanisms to quantify in real time the response to external stimuli is crucial for the development of automated systems. [...]
2021 -  10.1021/acsami.1c11710
ACS applied materials & interfaces, Vol. 13, issue 40 (Oct. 2021) , p. 47871-47881
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15 p, 765.8 KB |
Water-mediated photo-induced reduction of platinum films
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Fraxedas, Jordi (Institut Català de Nanociència i Nanotecnologia) ;
Zhang, Kuan (Institut Català de Nanociència i Nanotecnologia) ;
Sepúlveda, Borja (Institut Català de Nanociència i Nanotecnologia) ;
Esplandiu Egido, Maria José (Institut Català de Nanociència i Nanotecnologia) ;
Garcia, Xènia (Universitat Politècnica de Catalunya. Departament d'Enginyeria Química) ;
Llorca, Jordi (Universitat Politècnica de Catalunya. Departament d'Enginyeria Química) ;
Pérez-Dieste, Virginia (ALBA Laboratori de Llum de Sincrotró) ;
Escudero, Carlos (ALBA Laboratori de Llum de Sincrotró)
Platinum thin films activated ex situ by oxygen plasma become reduced by the combined effect of an intense soft X-ray photon beam and condensed water. The evolution of the electronic structure of the surface has been characterized by near-ambient-pressure photoemission and mimics the inverse two-step sequence observed in the electro-oxidation of platinum, i. [...]
2019 - 10.1107/S1600577519004685
Journal of Synchrotron Radiation, Vol. 26, issue 4 (July 2019) , p. 1288-1293
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13 p, 5.0 MB |
Self-assembly of mechanoplasmonic bacterial cellulose-metal nanoparticle composites
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Eskilson, Olof (Linköping University. Department of Physics, Chemistry and Biology) ;
Lindström, Stefan (Linköping University. Department of Management and Engineering) ;
Sepúlveda, Borja (Institut Català de Nanociència i Nanotecnologia) ;
Shahjamali, Mohammad M. (Harvard University. School of Engineering and Applied Sciences) ;
Güell Grau, Pau (Institut de Microelectrònica de Barcelona) ;
Sivlér, Petter (Linköping University. Department of Physics, Chemistry and Biology) ;
Skog, Marten (Linköping University. Department of Physics, Chemistry and Biology) ;
Aronsson, Christopher (Linköping University. Department of Physics, Chemistry and Biology) ;
Björk, Emma M. (Linköping University. Department of Physics, Chemistry and Biology) ;
Nyberg, Niklas (Linköping University. Department of Physics, Chemistry and Biology) ;
Khalaf, Hazem (Örebro University. School of Medical Sciences) ;
Bengtsson, Torbjörn (Örebro University. School of Medical Sciences) ;
James, Jeemol (University of Gothenburg. Department of Chemistry and Molecular Biology) ;
Ericson, Marica B. (University of Gothenburg. Department of Chemistry and Molecular Biology) ;
Martinsson, Erik (Linköping University. Department of Physics, Chemistry and Biology) ;
Selegård, Robert (Linköping University. Department of Physics, Chemistry and Biology) ;
Aili, Daniel (Linköping University. Department of Physics, Chemistry and Biology)
Nanocomposites of metal nanoparticles (NPs) and bacterial nanocellulose (BC) enable fabrication of soft and biocompatible materials for optical, catalytic, electronic, and biomedical applications. Current BC-NP nanocomposites are typically prepared by in situ synthesis of the NPs or electrostatic adsorption of surface functionalized NPs, which limits possibilities to control and tune NP size, shape, concentration, and surface chemistry and influences the properties and performance of the materials. [...]
2020 - 10.1002/adfm.202004766
Advanced functional materials, Vol. 30, issue 40 (Oct. 2020) , art. 2004766
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51 p, 4.2 MB |
Highly reduced ecotoxicity of ZnO-based micro/nanostructures on aquatic biota : influence of architecture, chemical composition, fixation, and photocatalytic efficiency
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Serrà, Albert (Empa Swiss Federal Laboratories for Materials Science and Technology) ;
Zhang, Yue (Institut Català de Nanociència i Nanotecnologia) ;
Sepúlveda, Borja (Institut Català de Nanociència i Nanotecnologia) ;
Gomez, Elvira (Universitat de Barcelona. Departament de Ciència de Materials i Química Física) ;
Nogués, Josep (Institut Català de Nanociència i Nanotecnologia) ;
Michler, Johann (Empa Swiss Federal Laboratories for Materials Science and Technology) ;
Philippe, Laetitia (Empa Swiss Federal Laboratories for Materials Science and Technology)
Developing efficient sunlight photocatalysts with enhanced photocorrosion resistance and minimal ecotoxicological effects on aquatic biota is critical to combat water contamination. Here, the role of chemical composition, architecture, and fixation on the ecotoxicological effects on microalgae of different ZnO and ZnO@ZnS based water decontamination photocatalysts was analyzed in depth. [...]
2020 - 10.1016/j.watres.2019.115210
Water Research, Vol. 169 (Feb. 2020) , art. 115210
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9 p, 2.5 MB |
Hybrid Ni@ZnO@ZnS-Microalgae for Circular Economy : a Smart Route to the Efficient Integration of Solar Photocatalytic Water Decontamination and Bioethanol Production
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Serrà, Albert (Empa Swiss Federal Laboratories for Materials Science and Technology) ;
Artal, Raül (Universitat de Barcelona. Departament de Ciència de Materials i Química Física) ;
García Amorós, Jaume (Universitat de Barcelona. Departament de Química Inorgànica i Orgànica) ;
Sepúlveda, Borja (Institut Català de Nanociència i Nanotecnologia) ;
Gómez, Elvira (Universitat de Barcelona. Departament de Ciència de Materials i Química Física) ;
Nogués, Josep (Institut Català de Nanociència i Nanotecnologia) ;
Philippe, Laetitia (Empa Swiss Federal Laboratories for Materials Science and Technology)
Water remediation and development of carbon-neutral fuels are a priority for the evermore industrialized society. The answer to these challenges should be simple, sustainable, and inexpensive. Thus, biomimetic-inspired circular and holistic processes combing water remediation and biofuel production can be an appealing concept to deal with these global issues. [...]
2020 - 10.1002/advs.201902447
Advanced science, Vol. 7, Issue 3 (February 2020) , art. 1902447
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8.
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31 p, 1.4 MB |
Precise Size Control of the Growth of Fe3O4 Nanocubes over a Wide Size Range Using a Rationally Designed One-Pot Synthesis
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Muro Cruces, Javier (Institut Català de Nanociència i Nanotecnologia) ;
Gómez Roca, Alejandro (Institut Català de Nanociència i Nanotecnologia) ;
López-Ortega, Alberto (Universidad de Castilla-La Mancha. Departamento de Física Aplicada) ;
Fantechi, Elvira (University of Pisa. Dipartimento di Chimica e Chimica Industriale and INSTM) ;
Del Pozo Bueno, Daniel (Universitat de Barcelona. Departament d'Enginyeria Electrònica i Biomèdica) ;
Estrade, Sonia (Universitat de Barcelona. Departament d'Electrònica) ;
Peiro, Francesca (Universitat de Barcelona. Departament d'Electrònica) ;
Sepúlveda, Borja (Institut Català de Nanociència i Nanotecnologia) ;
Pineider, Francesco (University of Pisa. Dipartimento di Chimica e Chimica Industriale and INSTM) ;
Sangregorio, Claudio (ICCOM-CNR) ;
Nogués, Josep (Institut Català de Nanociència i Nanotecnologia)
The physicochemical properties of spinel oxide magnetic nanoparticles depend critically on both their size and shape. In particular, spinel oxide nanocrystals with cubic morphology have shown superior properties in comparison to their spherical counterparts in a variety of fields, like, for example, biomedicine. [...]
2019 - 10.1021/acsnano.9b01281
ACS nano, Vol. 13, Issue 7 (July 2019) , p. 7716-7728
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50 p, 3.3 MB |
Highly active ZnO-based biomimetic fern-like microleaves for photocatalytic water decontamination using sunlight
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Serrà, Albert (Empa Swiss Federal Laboratories for Materials Science and Technology) ;
Zhang, Yue (Institut Català de Nanociència i Nanotecnologia) ;
Sepúlveda, Borja (Institut Català de Nanociència i Nanotecnologia) ;
Gómez, Elvira (Universitat de Barcelona. Departament de Ciència de Materials i Química Física) ;
Nogués, Josep (Institut Català de Nanociència i Nanotecnologia) ;
Michler, Johann (Empa Swiss Federal Laboratories for Materials Science and Technology) ;
Philippe, Laetitia (Empa Swiss Federal Laboratories for Materials Science and Technology)
Here we present the highly enhanced sunlight photocatalytic efficiency and photocorrosion resistance of biomimetic ZnO-modified micro/nanofern fractal architectures, which are synthesized by using a novel, simple, inexpensive and green electrochemical deposition approach in high stirring conditions. [...]
2019 - 10.1016/j.apcatb.2019.02.017
Applied catalysis. B, Environmental, Vol. 248 (July 2019) , p. 129-146
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37 p, 2.3 MB |
Seeded Growth Synthesis of Au-Fe3O4 Heterostructured Nanocrystals : Rational Design and Mechanistic Insights
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Fantechi, Elvira (Institut Català de Nanociència i Nanotecnologia) ;
Gómez Roca, Alejandro (Institut Català de Nanociència i Nanotecnologia) ;
Sepúlveda, Borja (Institut Català de Nanociència i Nanotecnologia) ;
Torruella, Pau (Universitat de Barcelona. Departament d'Electrònica) ;
Estrade, Sonia (Universitat de Barcelona. Departament d'Electrònica) ;
Peiro, Francesca (Universitat de Barcelona. Departament d'Electrònica) ;
Coy, Emerson (Adam Mickiewicz University) ;
Jurga, Stefan (Adam Mickiewicz University) ;
Bastús, Neus G (Institut Català de Nanociència i Nanotecnologia) ;
Nogués, Josep (Institut Català de Nanociència i Nanotecnologia) ;
Puntes, Víctor (Institut Català de Nanociència i Nanotecnologia)
Multifunctional hybrid nanoparticles comprising two or more entities with different functional properties are gaining ample significance in industry and research. Due to its combination of properties, a particularly appealing example is Au-FeO composite nanoparticles. [...]
2017 - 10.1021/acs.chemmater.7b00608
Chemistry of materials, Vol. 29, Issue 9 (May 2017) , p. 4022-4035
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