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1.
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9 p, 3.3 MB |
Oxidation processes at the surface of BaTiO3 thin films under environmental conditions
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Spasojevic, Irena (Universitat Autònoma de Barcelona. Departament de Química) ;
Sauthier, Guillaume (Institut Català de Nanociència i Nanotecnologia) ;
Caicedo Roque, Jose Manuel (Institut Català de Nanociència i Nanotecnologia) ;
Verdaguer Prats, Albert (Institut de Ciència de Materials de Barcelona) ;
Domingo Marimon, Neus (Institut Català de Nanociència i Nanotecnologia)
Dissociation and adsorption of water on ferroelectric oxide surfaces play important role in the processes of screening and switching dynamics of ferroelectric polarization, as well as in catalytic processes which can be additionally coupled with light, temperature or vibration stimuli. [...]
2021 -  10.1016/j.apsusc.2021.150288
Applied surface science, Vol. 565 (Nov. 2021) , art. 150288
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2.
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7 p, 4.6 MB |
Local and correlated studies of humidity-mediated ferroelectric thin film surface charge dynamics
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Gaponenko, Iaroslav (G.W. Woodruff School of Mechanical Engineering) ;
Musy, Loïc (University of Geneva. Department of Quantum Matter Physics) ;
Domingo Marimon, Neus (Institut Català de Nanociència i Nanotecnologia) ;
Stucki, Nicolas (University of Applied Sciences and Arts Western Switzerland) ;
Verdaguer Prats, Albert (Institut de Ciència de Materials de Barcelona) ;
Bassiri-Gharb, Nazarin (G.W. Woodruff School of Mechanical Engineering) ;
Paruch, Patrycja (University of Geneva. Department of Quantum Matter Physics)
Electrochemical phenomena in ferroelectrics are of particular interest for catalysis and sensing applications, with recent studies highlighting the combined role of the ferroelectric polarisation, applied surface voltage and overall switching history. [...]
2021 - 10.1038/s41524-021-00615-4
npj Computational Materials, Vol. 7 (2021) , art. 163
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3.
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9 p, 2.4 MB |
Effect of humidity on the writing speed and domain wall dynamics of ferroelectric domains
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Spasojevic, Irena (Universitat Autònoma de Barcelona. Departament de Química) ;
Verdaguer Prats, Albert (Institut de Ciència de Materials de Barcelona) ;
Catalan, Gustau (Institut Català de Nanociència i Nanotecnologia) ;
Domingo Marimon, Neus (Institut Català de Nanociència i Nanotecnologia)
The switching dynamics of ferroelectric polarization under electric fields depends on the availability of screening charges in order to stabilize the switched polarization. In ferroelectrics, thin films with exposed surfaces investigated by piezoresponse force microscopy (PFM), the main source of external screening charges is the atmosphere and the water neck, and therefore relative humidity (RH) plays a major role. [...]
2022 - 10.1002/aelm.202100650
Advanced Electronic Materials, Vol. 8, issue 6 (June 2022) , art. 2100650
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4.
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11 p, 2.9 MB |
Nanoscale Wetting of Single Viruses
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Calò, Annalisa (Universitat de Barcelona. Departament d'Enginyeria Electrònica i Biomèdica) ;
Eleta-Lopez, Aitziber (CIC nanoGUNE) ;
Ondarçuhu, Thierry (Université de Toulouse. Institut de Mécanique des Fluides de Toulouse) ;
Verdaguer Prats, Albert (Institut Català de Nanociència i Nanotecnologia) ;
Bittner, Alexander M. (Ikerbasque. Fundació Basca per a la Ciència)
The epidemic spread of many viral infections is mediated by the environmental conditions and influenced by the ambient humidity. Single virus particles have been mainly visualized by atomic force microscopy (AFM) in liquid conditions, where the effect of the relative humidity on virus topography and surface cannot be systematically assessed. [...]
2021 - 10.3390/molecules26175184
Molecules, Vol. 26, Issue 17 (September 2021) , art. 5184
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5.
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33 p, 1.2 MB |
Water adsorption, dissociation and oxidation on SrTiO3 and ferroelectric surfaces revealed by ambient pressure X-ray photoelectron spectroscopy
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Domingo Marimon, Neus (Institut Català de Nanociència i Nanotecnologia) ;
Pach, Elzbieta (Institut Català de Nanociència i Nanotecnologia) ;
Cordero Edwards, Rohini Kumara (Institut Català de Nanociència i Nanotecnologia) ;
Pérez-Dieste, Virginia (ALBA Laboratori de Llum de Sincrotró) ;
Escudero, Carlos (ALBA Laboratori de Llum de Sincrotró) ;
Verdaguer Prats, Albert (Institut de Ciència de Materials de Barcelona)
Water dissociation on oxides is of great interest because its fundamental aspects are still not well understood and it has implications in many processes, from ferroelectric polarization screening phenomena to surface catalysis and surface chemistry on oxides. [...]
2019 - 10.1039/c8cp07632d
Physical chemistry chemical physics, Vol. 21, issue 9 (March 2019) , p. 4920-4930
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6.
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28 p, 601.7 KB |
Bioinspired catechol-terminated self-assembled monolayers with enhanced adhesion properties
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Guardingo Melián, Mireia (Institut Català de Nanociència i Nanotecnologia) ;
Bellido Vera, Elena (Institut Català de Nanociència i Nanotecnologia) ;
Miralles, Rosa (Universitat Autònoma de Barcelona. Departament de Química) ;
Faraudo, Jordi (Institut de Ciència de Materials de Barcelona) ;
Sedó Vegara, Josep (Institut Català de Nanociència i Nanotecnologia) ;
Tatay, Sergio (Universitat de València. Institut de Ciència Molecular) ;
Verdaguer Prats, Albert (Institut Català de Nanociència i Nanotecnologia) ;
Busqué Sánchez, Félix (Universitat Autònoma de Barcelona. Departament de Química) ;
Ruiz-Molina, Daniel (Institut Català de Nanociència i Nanotecnologia)
The role of the catechol moiety in the adhesive properties of mussel proteins and related synthetic materials has been extensively studied in the last years but still remains elusive. Here, a simplified model approach is presented based on a self-assembled monolayer (SAM) of upward-facing catechols thiol-bound to epitaxial gold substrates. [...]
2014 - 10.1002/smll.201302406
Small, Vol. 10, issue 8 (April 2014) , p. 1594-1602
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7.
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7 p, 690.0 KB |
Switchable Surface Hydrophobicity-Hydrophilicity of a Metal-Organic Framework
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Rodríguez-Hermida, Sabina (Institut Català de Nanociència i Nanotecnologia) ;
Ying Tsang, Min (Institut de Ciència de Materials de Barcelona) ;
Vignatti Abellan, Claudia (Institut Català de Nanociència i Nanotecnologia) ;
Stylianou, Kyriakos C. (Institut Català de Nanociència i Nanotecnologia) ;
Guillerm, Vincent (Institut Català de Nanociència i Nanotecnologia) ;
Pérez-Carvajal, Javier (Institut Català de Nanociència i Nanotecnologia) ;
Teixidor, Francesc (Institut de Ciència de Materials de Barcelona) ;
Viñas, Clara (Institut de Ciència de Materials de Barcelona) ;
Choquesillo-Lazarte, Duane (Instituto Andaluz de Ciencias de la Tierra) ;
Verdugo-Escamilla, Cristóbal (Instituto Andaluz de Ciencias de la Tierra) ;
Peral Alonso, Inmaculada (Université du Luxembourg) ;
Juanhuix, Judith (ALBA Laboratori de Llum de Sincrotró) ;
Verdaguer Prats, Albert (Institut Català de Nanociència i Nanotecnologia) ;
Imaz, Inhar (Institut Català de Nanociència i Nanotecnologia) ;
Maspoch Comamala, Daniel (Institut Català de Nanociència i Nanotecnologia) ;
Giner Planas, José (Institut de Ciència de Materials de Barcelona)
Materials with surfaces that can be switched from high/superhydrophobicity to superhydrophilicity are useful for myriad applications. Herein, we report a metal-organic framework (MOF) assembled from Znions, 1,4-benzenedicarboxylate, and a hydrophobic carborane-based linker. [...]
2016 - 10.1002/anie.201609295
Angewandte Chemie (International ed. Internet), Vol. 55, Issue 52 (December 2016) , p. 16049-16053
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8.
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20 p, 1.8 MB |
The Mendeleev-Meyer force project
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Santos, Sergio (Future Synthesis. Adderbury Banbury) ;
Lai, Chia-Yun (Masdar Institute of Science and Technology. Institute Center for Future Energy. Laboratory for Energy and NanoScience) ;
Amadei, Carlo A. (Harvard University. John A. Paulson School of Engineering and Applied Sciences) ;
Gadelrab, Karim R. (Massachusetts Institute of Technology. Department of Materials Science and Engineering) ;
Tang, Tzu-Chieh (Massachusetts Institute of Technology. Department of Materials Science and Engineering) ;
Verdaguer Prats, Albert (Institut Català de Nanociència i Nanotecnologia) ;
Barcons, Victor (Universitat Politècnica de Catalunya. Departament de Disseny i Programació de Sistemes Electrònics) ;
Font, Josep (Universitat Politècnica de Catalunya. Departament de Disseny i Programació de Sistemes Electrònics) ;
Colchero, Jaime (Universidad de Murcia. Instituto de Óptica y Nanociencia) ;
Chiesa, Matteo (Masdar Institute of Science and Technology. Institute Center for Future Energy. Laboratory for Energy and NanoScience)
Here we present the Mendeleev-Meyer Force Project which aims at tabulating all materials and substances in a fashion similar to the periodic table. The goal is to group and tabulate substances using nanoscale force footprints rather than atomic number or electronic configuration as in the periodic table. [...]
2016 - 10.1039/c6nr06094c
Nanoscale, Vol. 8, Issue 40 (October 2016) , p. 17400-17406
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9.
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19 p, 920.9 KB |
Elucidation of the wettability of graphene through a multi-length-scale investigation approach
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Amadei, Carlo A. (Institut Català de Nanociència i Nanotecnologia) ;
Lai, Chia-Yun (Masdar Institute of Science and Technology. Laboratory for Energy and NanoScience) ;
Esplandiu Egido, Maria José (Institut Català de Nanociència i Nanotecnologia) ;
Alzina, Francesc (Institut Català de Nanociència i Nanotecnologia) ;
Vecitis, Chad D. (Harvard University. School of Engineering and Applied Sciences) ;
Verdaguer Prats, Albert (Institut Català de Nanociència i Nanotecnologia) ;
Chiesa, Matteo (Masdar Institute of Science and Technology. Laboratory for Energy and NanoScience)
Univocal conclusions around the wettability of graphene exposed to environmental conditions remain elusive despite the recent efforts of several research groups. The main discrepancy rests on the question of whether a graphene monolayer (GML) is transparent or not to water and more generally what the role is that the substrate plays in determining the degree of wetting of the GML. [...]
2015 - 10.1039/c5ra04397b
RSC advances, Vol. 5, Issue 49 (2015) , p. 39532-39538
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