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Articles 50 records found  beginprevious12 - 21nextend  jump to record: Search took 0.01 seconds. 
12.
22 p, 2.1 MB Screen-printable electrochromic polymer inks and ion gel electrolytes for the design of low-power, flexible electrochromic devices / Santiago, Sara (Universitat Autònoma de Barcelona. Departament de Química) ; Aller Pellitero, Miguel (Institut de Microelectrònica de Barcelona) ; del Campo, F. Javier (Institut de Microelectrònica de Barcelona) ; Guirado López, Gonzalo (Universitat Autònoma de Barcelona. Departament de Química)
We have developed electrochromic inks and electrolyte materials to enable mass production of flexible electrochromic displays (ECDs) and other optoelectronic devices by screen printing. Here we present a new screen-printable ink incorporating electrochromic polymer, poly(3,4-propylenedioxythiophene)bis(ethylhexyloxy), referred to here as ECP-Magenta, and antimony-doped tin oxide (ATO/TiO) particles to facilitate electron transport. [...]
2019 - 10.1002/elan.201900154
Electroanalysis, Vol. 31, Issue 9 (September 2019) , p. 1664-1671  
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13.
25 p, 6.0 MB A self-powered skin-patch electrochromic biosensor / Santiago, Sara (Universitat Autònoma de Barcelona) ; Río-Colín, Diego (Universidad del País Vasco) ; Azizkhani, Haniyeh (Universitat Autònoma de Barcelona) ; Aller Pellitero, Miguel (Johns Hopkins University School of Medicine) ; Guirado López, Gonzalo (Universitat Autònoma de Barcelona) ; del Campo, F. Javier (Institut de Microelectrònica de Barcelona)
One of the limitations of many skin-patch wearable sensors today is their dependence on silicon-based electronics, increasing their complexity and unit cost. Self-powered sensors, in combination with electrochromic materials, allow simplifying the construction of these devices, leading to powerful analytical tools that remove the need for external detection systems. [...]
2021 - 10.1016/j.bios.2020.112879
Biosensors & bioelectronics, Vol. 175 (March 2021) , art. 112879  
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14.
30 p, 2.5 MB Electrochemical tools to disclose the electrochemical reduction mechanism of CO2 in aprotic solvents and ionic liquids / Mena Fernández, Silvia (Universitat Autònoma de Barcelona. Departament de Química) ; Ribas Saurí, Esteve (Universitat Autònoma de Barcelona. Departament de Química) ; Richart, Clara (Universitat Autònoma de Barcelona. Departament de Química) ; Gallardo, Iluminada (Universitat Autònoma de Barcelona. Departament de Química) ; Faraudo, Jordi (Institut de Ciència de Materials de Barcelona) ; Shaw, Scott K. (University of Iowa. Department of Chemistry) ; Guirado López, Gonzalo (Universitat Autònoma de Barcelona. Departament de Química)
Carbon dioxide (CO2) plays a key role in controlling the temperature of the Earth. But the increase in the concentration of CO2 in the atmosphere brings with it a series of consequences, originating several environmental problems. [...]
2021 - 10.1016/j.jelechem.2021.115411
Journal of Electroanalytical Chemistry, Vol. 895 (August 2021) , art. 115411  
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15.
27 p, 1.9 MB Sustainable and efficient electrosynthesis of naproxen using carbon dioxide and ionic liquids / Mena Fernández, Silvia (Universitat Autònoma de Barcelona. Departament de Química) ; Santiago, Sara (Universitat Autònoma de Barcelona. Departament de Química) ; Gallardo, Iluminada (Universitat Autònoma de Barcelona. Departament de Química) ; Guirado López, Gonzalo (Universitat Autònoma de Barcelona. Departament de Química)
The use of CO2 as a C1 carbon source for synthesis is raising increasing attention both as a strategy to bring value to carbon dioxide capture technologies and a sustainable approach towards chemicals and energy. [...]
2020 - 10.1016/j.chemosphere.2019.125557
Chemosphere, Vol. 245 (April 2020) , art. 125557  
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16.
10 p, 1.2 MB Solution-phase synthesis and photoluminescence of quaternary chalcohalide semiconductors / Roth, Alison N. (Iowa State University. Department of Chemistry) ; Opare-Addo, Jemima (Iowa State University. Department of Chemistry) ; Gi, Eunbyeol (Iowa State University. Department of Chemistry) ; Mena Fernández, Silvia (Universitat Autònoma de Barcelona. Departament de Química) ; Guirado López, Gonzalo (Universitat Autònoma de Barcelona. Departament de Química) ; Schaller, Richard D. (Northwestern University. Department of Chemistry (US)) ; Smith, Emily A. (Iowa State University. Department of Chemistry) ; Vela, Javier (Iowa State University. Department of Chemistry)
Mixed-metal chalcohalide semiconductors have emerged as promising candidates for photovoltaic applications. However, preparation of these multinary compounds using solution-phase techniques remains particularly challenging compared to traditional solid-state methods. [...]
2023 - 10.1021/acs.chemmater.3c00011
Chemistry of materials, Vol. 35, Issue 5 (March 2023) , p. 2165-2172  
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17.
24 p, 1.4 MB Electrocarboxylation of halobenzonitriles : An environmentally friendly synthesis of phthalate derivatives / Reche Pérez, Irene (Universitat Autònoma de Barcelona. Departament de Química) ; Mena Fernández, Silvia (Universitat Autònoma de Barcelona. Departament de Química) ; Gallardo, Iluminada (Universitat Autònoma de Barcelona. Departament de Química) ; Guirado López, Gonzalo (Universitat Autònoma de Barcelona. Departament de Química)
This manuscript presents an efficient approach for producing high valuable compounds using CO2 as building block. The methodology employed is based on electrochemical techniques, which allow performing eco-friendly chemistry solutions and maintaining the aim of offering a potential long-term strategy for reducing the CO2 emissions in the atmosphere, while obtaining useful compounds, such as aromatic acids and phthalate derivatives. [...]
2019 - 10.1016/j.electacta.2019.134576
Electrochimica acta, Vol. 320 (October 2019) , art. 134576  
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18.
18 p, 1.1 MB Fully-printed and silicon free self-powered electrochromic biosensors : Towards naked eye quantification / Aller Pellitero, Miguel (Institut de Microelectrònica de Barcelona) ; Santiago, Sara (Universitat Autònoma de Barcelona. Departament de Química) ; Ruiz, Jules (Centre National de la Recherche Scientifique. Université de Franche-Comté. Institut UTINAM) ; Alonso, Yasmine (Universitat Autònoma de Barcelona. Departament de Química) ; Lakard, Boris (Centre National de la Recherche Scientifique. Université de Franche-Comté. Institut UTINAM) ; Hihn, Jean-Yves (Centre National de la Recherche Scientifique. Université de Franche-Comté. Institut UTINAM) ; Guirado López, Gonzalo (Universitat Autònoma de Barcelona. Departament de Química) ; del Campo, F. Javier (Institut de Microelectrònica de Barcelona)
Electrochromic materials are becoming increasingly important in analytical devices and applications. Their opto-electronic properties make them particularly useful in the development of electronics-free, self-powered sensors. [...]
2020 - 10.1016/j.snb.2019.127535
Sensors and actuators. B, Chemical, Vol. 306 (March 2020) , art. 127535  
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19.
6 p, 2.5 MB Suitability of blended ionic liquid-dimethylsulfoxide electrolyte for lithium-oxygen battery / Knipping, Etienne (Universitat Autònoma de Barcelona. Departament de Química) ; Aucher, Christophe (Leitat Technological Center (Terrassa)) ; Guirado López, Gonzalo (Universitat Autònoma de Barcelona. Departament de Química) ; Aubouy, Laurent (Leitat Technological Center (Terrassa))
Electrolytes composed of dimethylsulfoxide (DMSO), 1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide (EMI TFSI) and LiClO are characterized for application in lithium-oxygen batteries. The increase of EMI TFSI content in the electrolyte enables to improve its thermal stability and to decrease the overpotential of the cell. [...]
2019 - 10.1002/batt.201800078
Batteries and Supercaps, Vol. 2, Issue 3 (March 2019) , p. 200-204  
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20.
54 p, 2.0 MB Multistimuli-Responsive Fluorescent Switches Based on Spirocyclic Meisenheimer Compounds : Smart Molecules for the Design of Optical Probes and Electrochromic Materials / Villabona, Marc (Universitat Autònoma de Barcelona. Departament de Química) ; Benet, Marina (Universitat Autònoma de Barcelona. Departament de Química) ; Mena Fernández, Silvia (Universitat Autònoma de Barcelona. Departament de Química) ; Al-Kaysi, Rabih O. (King Saud bin Abdulaziz University for Health Sciences) ; Hernando Campos, Jordi (Universitat Autònoma de Barcelona. Departament de Química) ; Guirado López, Gonzalo (Universitat Autònoma de Barcelona. Departament de Química)
Fluorescent switches based on spirocyclic zwitterionic Meisenheimer (SZMC) complexes are stimuli-responsive organic molecules with application in a variety of areas. To expand their functionality, novel switching mechanisms are herein reported for these systems: (a) acid- and redox-triggered formation of an additional protonation state with distinct optical properties, and (b) solvent-induced fluorescence modulation. [...]
2018 - 10.1021/acs.joc.8b01211
Journal of organic chemistry, Vol. 83, Num. 16 (June 2018) , p. 9166-9177  
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21.
45 p, 1.7 MB New smart functional fluorophores based on stable spirocyclic zwitterionic Meisenheimer compounds / Sala Bascompte, Neus (Universitat Autònoma de Barcelona. Departament de Química) ; Prats, Gemma (Universitat Autònoma de Barcelona. Departament de Química) ; Villabona, Marc (Universitat Autònoma de Barcelona. Departament de Química) ; Gallardo, Iluminada (Universitat Autònoma de Barcelona. Departament de Química) ; Hamdan, Tarafah (King Saud bin Abdulaziz University for Health Sciences) ; Al-Kaysi, Rabih O. (King Saud bin Abdulaziz University for Health Sciences) ; Hernando Campos, Jordi (Universitat Autònoma de Barcelona. Departament de Química) ; Guirado López, Gonzalo (Universitat Autònoma de Barcelona. Departament de Química)
Molecules and materials showing stimulus-induced modulation of their optical properties are of interest in a large variety of areas. In this paper, we focus on fluorescent switches based on stable spirocyclic zwitterionic Meisenheimer compounds (SZMC), which are composed of a 2,4,6-trisubstituted cyclohexadienyl anion chromophore fused with a triazene ring via a spiro carbon atom. [...]
2018 - 10.1016/j.dyepig.2018.01.058
Dyes and pigments, Vol. 153 (June 2018) , p. 160-171  
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