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3 results on '"Giovanni F. Cotella"'

1. Diarylethenes in Optically Switchable Organic Light-Emitting Diodes: Direct Investigation of the Reversible Charge Carrier Trapping Process

Author

Alessandro Minotto, Giovanni F. Cotella, Giuseppe Carnicella, Franco Cacialli, Stefan Hecht, Aurelio Bonasera, Cotella, G, Bonasera, A, Carnicella, G, Minotto, A, Hecht, S, Cacialli, F, Cotella, Giovanni F., Bonasera, Aurelio, Carnicella, Giuseppe, Minotto, Alessandro, Hecht, Stefan, and Cacialli, Franco

Subjects
Materials science, 02 engineering and technology, Trapping, 01 natural sciences, Photochromism, ddc:670, stimuli-responsive OLEDs, OLED, stimuli-responsive OLED, 010405 organic chemistry, business.industry, 021001 nanoscience & nanotechnology, photochromism, blend, Atomic and Molecular Physics, and Optics, 0104 chemical sciences, Electronic, Optical and Magnetic Materials, diarylethenes, Scientific method, Optoelectronics, blends, diarylethene, Charge carrier, 0210 nano-technology, business, F8BT
Abstract

Advanced optical materials 10, (2021). doi:10.1002/adom.202101116, Published by Wiley-VCH, Weinheim

Published
2022
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2. Optically switchable organic light-emitting transistors

Author

Bernd Schmidt, Paolo Samorì, Giuseppe Carnicella, Stefan Hecht, Martin Herder, Giovanni F. Cotella, Xiaoyan Zhang, Franco Cacialli, Lili Hou, Michael Pätzel, Institut de Science et d'ingénierie supramoléculaires (ISIS), Réseau nanophotonique et optique, Centre National de la Recherche Scientifique (CNRS)-Université de Strasbourg (UNISTRA)-Université de Haute-Alsace (UHA) Mulhouse - Colmar (Université de Haute-Alsace (UHA))-Centre National de la Recherche Scientifique (CNRS)-Université de Strasbourg (UNISTRA)-Université de Haute-Alsace (UHA) Mulhouse - Colmar (Université de Haute-Alsace (UHA))-Centre National de la Recherche Scientifique (CNRS)-Institut de Chimie du CNRS (INC)-Matériaux et nanosciences d'Alsace (FMNGE), and Institut de Chimie du CNRS (INC)-Université de Strasbourg (UNISTRA)-Université de Haute-Alsace (UHA) Mulhouse - Colmar (Université de Haute-Alsace (UHA))-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS)-Université de Strasbourg (UNISTRA)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS)-Université de Strasbourg (UNISTRA)

Subjects
Materials science, Biomedical Engineering, Bioengineering, 02 engineering and technology, Electroluminescence, 010402 general chemistry, 7. Clean energy, 01 natural sciences, law.invention, Photochromism, law, OLED, General Materials Science, Electronics, Electrical and Electronic Engineering, business.industry, Transistor, [CHIM.MATE]Chemical Sciences/Material chemistry, 021001 nanoscience & nanotechnology, Condensed Matter Physics, Atomic and Molecular Physics, and Optics, 0104 chemical sciences, Semiconductor, Nanoelectronics, Modulation, Optoelectronics, 0210 nano-technology, business
Abstract

International audience; Organic light-emitting transistors are pivotal components for emerging opto- and nanoelectronics applications, such as logic circuitries and smart displays. Within this technology sector, the integration of multiple functionalities in a single electronic device remains the key challenge. Here we show optically switchable organic light-emitting transistors fabricated through a judicious combination of light-emitting semiconductors and photochromic molecules. Irradiation of the solution-processed films at selected wavelengths enables the efficient and reversible tuning of charge transport and electroluminescence simultaneously, with a high degree of modulation (on/off ratios up to 500) in the three primary colours. Different emitting patterns can be written and erased through a non-invasive and mask-free process, on a length scale of a few micrometres in a single device, thereby rendering this technology potentially promising for optically gated highly integrated full-colour displays and active optical memory.

Published
2018
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3. Modulating the luminance of organic light-emitting diodes via optical stimulation of a photochromic molecular monolayer at transparent oxide electrode

Author

Aurelio Bonasera, Nicolas Zorn Morales, Giuseppe Carnicella, Giovanni F. Cotella, Björn Kobin, Franco Cacialli, Stefan Hecht, Qian-Kun Wang, Giovanni Ligorio, Norbert Koch, Emil J. W. List-Kratochvil, Ligorio, Giovanni, Cotella, Giovanni Francesco, Bonasera, Aurelio, Zorn Morales, Nicola, Carnicella, Giuseppe, Kobin, Björn, Wang, Qiankun, Koch, Norbert, Hecht, Stefan, List-Kratochvil, Emil J.W., and Cacialli, Franco

Subjects
Solar cells of the next generation, Materials science, diarylethenes, organic light-emitting diode, photochromism, self-assembled monolayers, 02 engineering and technology, Electroluminescence, 010402 general chemistry, 01 natural sciences, chemistry.chemical_compound, Diarylethene, OLED, Ultraviolet light, General Materials Science, Diode, Settore CHIM/02 - Chimica Fisica, business.industry, 021001 nanoscience & nanotechnology, 0104 chemical sciences, Indium tin oxide, chemistry, Electrode, Optoelectronics, Charge carrier, 0210 nano-technology, business, ddc:600
Abstract

Nanoscale 12(9), 5444-5451 (2020). doi:10.1039/D0NR00724B, Published by RSC Publ., Cambridge

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