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Artículos Encontrados 24 registros  anterior11 - 20siguiente  ir al registro: La búsqueda tardó 0.00 segundos. 
11.
11 p, 631.8 KB Thermally switchable molecular upconversion emission / Massaro, Giuseppina (Università degli Studi di Perugia. Dipartimento di Chimica, Biologia e Biotecnologie) ; Hernando Campos, Jordi (Universitat Autònoma de Barcelona. Departament de Química) ; Ruiz-Molina, Daniel (Institut Català de Nanociència i Nanotecnologia) ; Roscini, Claudio (Institut Català de Nanociència i Nanotecnologia) ; Latterini, Loredana (Università degli Studi di Perugia. Dipartimento di Chimica, Biologia e Biotecnologie)
In this work a novel strategy is introduced to achieve thermally switchable emission from photon upconversion (UC) systems based on organic dyes. When these molecules were dissolved at low concentrations in phase-change media, a reversible, sharp, and nearly complete interconversion from blue upconverted emission to red luminescence was observed around the solid-to-liquid transition of the system. [...]
2016 - 10.1021/acs.chemmater.5b03532
Chemistry of materials, Vol. 28, issue 3 (Feb. 2016) , p. 738-745  
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12.
20 p, 3.8 MB Encapsulation and sedimentation of nanomaterials through complex coacervation / Gonzalez Monje, Pablo (Institut Català de Nanociència i Nanotecnologia) ; Ayala Garcia, Alex (Institut Català de Nanociència i Nanotecnologia) ; Ruiz-Molina, Daniel (Institut Català de Nanociència i Nanotecnologia) ; Roscini, Claudio (Institut Català de Nanociència i Nanotecnologia)
Hypothesis: Nanoparticles removal from seawage water is a health and environmental challenge, due to the increasing use of these materials of excellent colloidal stability. Herein we hypothesize to reach this objective through complex coacervation, a straightforward, low-cost process, normally accomplished with non-toxic and biodegradable macromolecules. [...]
2021 - 10.1016/j.jcis.2020.12.067
Journal of colloid and interface science, Vol. 589 (May 2021) , p. 500-510  
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13.
11 p, 1.3 MB Highly transparent photochromic films with a tunable and fast solution-like response / Torres-Pierna, Héctor (Institut Català de Nanociència i Nanotecnologia) ; Ruiz-Molina, Daniel (Institut Català de Nanociència i Nanotecnologia) ; Roscini, Claudio (Institut Català de Nanociència i Nanotecnologia)
The increasing interest towards photochromic films and their practical applications is driving researchers in the continuous design and synthesis of novel organic photochromic dyes with optimized performances in polymeric matrices. [...]
2020 - 10.1039/d0mh01073a
Materials Horizons, Vol. 7, issue 10 (Oct. 2020) , p. 2749-2759  
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14.
32 p, 1.4 MB Solid Materials with Near-Infrared-Induced Fluorescence Modulation / Otaegui, Jaume Ramon (Universitat Autònoma de Barcelona. Departament de Química) ; Rubirola, Pau (Institut Català de Nanociència i Nanotecnologia) ; Ruiz-Molina, Daniel (Institut Català de Nanociència i Nanotecnologia) ; Hernando Campos, Jordi (Universitat Autònoma de Barcelona. Departament de Química) ; Roscini, Claudio. (Institut Català de Nanociència i Nanotecnologia)
Solid molecular materials modulating their luminescent properties upon irradiation are typically based on photochromic dyes. Despite these are potentially interesting for applications such as anticounterfeiting, bioimaging, optical data storage, and writable/erasable devices, key features are preventing their use in marketable products: the lack of straightforward strategies to obtain near infrared (NIR) radiation-responding photochromic dyes and the dramatic response modification these molecules suffer in solids. [...]
2020 - 10.1002/adom.202001063
Advanced optical materials, Vol. 8, Issue 21 (November 2020) , p. 2001063  
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15.
17 p, 914.9 KB Shape memory polyurethane microcapsules with active deformation / Zhang, Fenghua (Harbin Institute of Technology. Centre for Composite Materials and Structures) ; Zhao, Tianheng (University of Cambridge. Department of Chemistry) ; Ruiz-Molina, Daniel (Institut Català de Nanociència i Nanotecnologia) ; Liu, Yanju (Harbin Institute of Technology. Department of Astronautical Science and Mechanics) ; Roscini, Claudio (Institut Català de Nanociència i Nanotecnologia) ; Leng, Jinsong. (Harbin Institute of Technology. Centre for Composite Materials and Structures) ; Smoukov, Stoyan (University of Cambridge. Department of Materials Science and Metallurgy)
From smart self-tightening sutures and expandable stents to morphing airplane wings, shape memory structures are increasingly present in our daily life. The lack of methods for synthesizing intricate structures from them on the micron and submicron level, however, is stopping the field from developing. [...]
2020 - 10.1021/acsami.0c14882
ACS applied materials & interfaces, Vol. 12, issue 41 (Oct. 2020) , p. 47059-47064  
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16.
18 p, 1.6 MB Photochromism of dihydroazulene-based polymeric thin films / Torres-Pierna, Héctor (Institut Català de Nanociència i Nanotecnologia) ; Roscini, Claudio (Institut Català de Nanociència i Nanotecnologia) ; Vlasceanu, Alexandru (University of Copenhagen. Department of Chemistry) ; Broman, Soren L. (University of Copenhagen. Department of Chemistry) ; Jevric, Martyn (University of Copenhagen. Department of Chemistry) ; Cacciarini, Martina (University of Firenze. Department of Chemistry) ; Nielsen, Mogens Brøndsted (University of Firenze. Department of Chemistry)
We report on the preparation of polymeric thin films doped with six dihydroazulene derivatives whose photochromic properties were previously screened in organic solution studies. Spectroscopic investigations into the photochromic behavior of the polymeric matrices have given important insights on the stability and the photophysical properties of the photoswitches impregnated into polymers.
2017 - 10.1016/j.dyepig.2017.06.015
Dyes and pigments, Vol. 145 (October 2017) , p. 359-364  
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17.
10 p, 809.0 KB Solvent-Tuned Supramolecular Assembly of Fluorescent Catechol/Pyrene Amphiphilic Molecules / Nador, Fabiana (Institut Català de Nanociència i Nanotecnologia) ; Wnuk, Karolina (Institut Català de Nanociència i Nanotecnologia) ; Roscini, Claudio (Institut Català de Nanociència i Nanotecnologia) ; Solorzano Rodríguez, Ruben (Institut Català de Nanociència i Nanotecnologia) ; Faraudo, Jordi (Institut de Ciència de Materials de Barcelona) ; Ruiz-Molina, Daniel (Institut Català de Nanociència i Nanotecnologia) ; Novio Vázquez, Fernando (Institut Català de Nanociència i Nanotecnologia)
The synthesis and structuration of a novel low-molecular-weight amphiphilic catechol compound is reported. The combination of a hydrophilic tail containing a catechol unit and a pyrene-based hydrophobic head favors solvent-tuned supramolecular assembly. [...]
2018 - 10.1002/chem.201802249
Chemistry, Vol. 24, Issue 55 (October 2018) , p. 14724-14732  
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18.
22 p, 1.0 MB Off/On Fluorescent Nanoparticles for Tunable High-Temperature Threshold Sensing / Julià López, Àlex (Institut Català de Nanociència i Nanotecnologia) ; Ruiz-Molina, Daniel (Institut Català de Nanociència i Nanotecnologia) ; Landfester, Katharina (Max Planck Institute for Polymer Research) ; Bannwarth, Markus B. (Max Planck Institute for Polymer Research) ; Roscini, Claudio (Institut Català de Nanociència i Nanotecnologia)
Herein, a versatile threshold temperature sensor based on the glass transition temperature-triggered fluorescence activation of a dye/developer duo, encapsulated in polymeric nanoparticles is reported. [...]
2018 - 10.1002/adfm.201801492
Advanced functional materials, Vol. 28, Issue 28 (July 2018) , art. 1801492  
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19.
6 p, 363.1 KB Molecular-based upconversion in homo/heterogeneous liquids and in micro/nanostructured solid materials / Latterini, Loredana (Università di Perugia. Dipartimento di Chimica) ; Massaro, Giuseppina (Università di Perugia. Dipartimento di Chimica) ; Penconi, Marta (Università di Perugia. Dipartimento di Chimica) ; Gentili, Pier Luigi (Università di Perugia. Dipartimento di Chimica) ; Roscini, Claudio (Institut Català de Nanociència i Nanotecnologia) ; Ortica, Fausto (Università di Perugia. Dipartimento di Chimica)
Radiation upconversion can be an elegant and efficient strategy to minimize waste in energy harvesting and storage processes. The upconversion based on triplet-triplet annihilation processes of molecular dyes is a very versatile approach, but it requires a systematic photophysical characterization of the systems to optimize the upconversion yields and develop materials for technological applications. [...]
2018 - 10.1039/c8dt00020d
Dalton transactions, Vol. 47, Issue 26 (July 2018) , p. 8557-8565  
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17 p, 682.0 KB Sonochemical Synthesis of Optically Tuneable Conjugated Polymer Nanoparticles / Bellacanzone, Christian (Institut Català de Nanociència i Nanotecnologia) ; Roscini, Claudio (Institut Català de Nanociència i Nanotecnologia) ; Ruiz Delgado, María del Carmen (Universidad de Málaga. Departamento de Química Física) ; Ponce Ortiz, Rocío (Universidad de Málaga. Departamento de Química Física) ; Ruiz-Molina, Daniel (Institut Català de Nanociència i Nanotecnologia)
The development of novel and simple methodologies for the obtaining of semiconductive polymer nanoparticles with fine-tuned optical properties represents nowadays a challenging research area as it involves a simultaneous chemical modification and nanostructuration of the polymer. [...]
2018 - 10.1002/ppsc.201700322
Particle & particle systems characterization, Vol. 35, Issue 2 (February 2018) , art. 1700322  
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Artículos : Encontrados 24 registros   anterior11 - 20siguiente  ir al registro:
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6 Roscini, Claudio,
1 Roscini, Claudio.
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