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9 results on '"Gicevičius, Mindaugas"'

3. Effects of Processing‐Induced Contamination on Organic Electronic Devices

Author

Simatos, Dimitrios, primary, Jacobs, Ian E., additional, Dobryden, Illia, additional, Nguyen, Małgorzata, additional, Savva, Achilleas, additional, Venkateshvaran, Deepak, additional, Nikolka, Mark, additional, Charmet, Jérôme, additional, Spalek, Leszek J., additional, Gicevičius, Mindaugas, additional, Zhang, Youcheng, additional, Schweicher, Guillaume, additional, Howe, Duncan J., additional, Ursel, Sarah, additional, Armitage, John, additional, Dimov, Ivan B., additional, Kraft, Ulrike, additional, Zhang, Weimin, additional, Alsufyani, Maryam, additional, McCulloch, Iain, additional, Owens, Róisín M., additional, Claesson, Per M., additional, Knowles, Tuomas P. J., additional, and Sirringhaus, Henning, additional

Published
2023
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5. High-Performance Humidity Sensing in π-Conjugated Molecular Assemblies through the Engineering of Electron/Proton Transport and Device Interfaces

Author

Turetta, Nicholas, primary, Stoeckel, Marc-Antoine, additional, Furlan de Oliveira, Rafael, additional, Devaux, Félix, additional, Greco, Alessandro, additional, Cendra, Camila, additional, Gullace, Sara, additional, Gicevičius, Mindaugas, additional, Chattopadhyay, Basab, additional, Liu, Jie, additional, Schweicher, Guillaume, additional, Sirringhaus, Henning, additional, Salleo, Alberto, additional, Bonn, Mischa, additional, Backus, Ellen H. G., additional, Geerts, Yves H., additional, and Samorì, Paolo, additional

Published
2022
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9. Impact of hydrophilic side chains on the thin film transistor performance of a benzothieno-benzothiophene derivative.

Author

Gicevičius M, James AM, Reicht L, McIntosh N, Greco A, Fijahi L, Devaux F, Mas-Torrent M, Cornil J, Geerts YH, Zojer E, Resel R, and Sirringhaus H

Abstract

Side-chain engineering in molecular semiconductors provides a versatile toolbox for precisely manipulating the material's processability, crystallographic properties, as well as electronic and optoelectronic characteristics. This study explores the impact of integrating hydrophilic side chains, specifically oligoethylene glycol (OEG) units, into the molecular structure of the small molecule semiconductor, 2,7-bis(2(2-methoxy ethoxy)ethoxy) benzo[ b ]benzo[4,5] thieno[2,3- d ] thiophene (OEG-BTBT). The investigation includes a comprehensive analysis of thin film morphology and crystallographic properties, along with the optimization of deposition parameters for improving the device performance. Despite the anticipated benefits, such as enhanced processability, our investigation into OEG-BTBT-based organic field-effect transistors (OFETs) reveals suboptimal performance marked by a low effective charge carrier mobility, a low on/off ratio, and a high threshold voltage. The study unveils bias stress effects and device degradation attributed to the high ionization energy of OEG-BTBT alongside the hydrophilic nature of the ethylene-glycol moieties, which lead to charge trapping at the dielectric interface. Our findings underscore the need for a meticulous balance between electronic properties and chemical functionalities in molecular semiconductors to achieve stable and efficient performance in organic electronic devices., Competing Interests: There are no conflicts to declare., (This journal is © The Royal Society of Chemistry.)

Published
2024
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