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Evaluation of the Biocompatibility of Poly(benzimidazobenzophenanthroline)(BBL) Polymer Films with Living Cells.
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Tissue Electronics, Istituto Italiano di Tecnologia, Naples, 80125, Italy.
The integration of organic electronic materials with biological systems to monitor, interface with, and regulate physiological processes is a key area in the field of bioelectronics. Central to this advancement is the development of cell-chip coupling, where materials engineering plays a critical role in enhancing biointerfacing capabilities. Conductive polymers have proven particularly useful in cell interfacing applications due to their favorable biophysical and chemical properties.
View Article and Find Full Text PDFDecoupling Conductivity, Heterogeneous Electron Transfer Rate, and Diffusion in Organic Molecular Electrocatalysis: Oxygen Reduction Reaction on Poly(3,4-ethylenedioxythiophene).
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December 2024
Laboratory of Organic Electronics, Department of Science and Technology, Linköping University, Norrköping, 60174, Sweden.
The electrified production of hydrogen peroxide (HO) by oxygen reduction reaction (ORR) is attractive to increase the sustainability of chemical industry. Here the same chains of intrinsically conductive polymer, poly(3,4-ethylenedioxythiophene) (PEDOT) are utilized, as ORR electrocatalyst, while varying polymeric primary dopants (PSS and Nafion) and the level of secondary doping with DMSO. These changes modulate various properties of the film, such as its microscale organization and electronic conductivity.
View Article and Find Full Text PDFPolyethylene glycol-decorated n-type conducting polymers with improved ion accessibility for high-performance organic electrochemical transistors.
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October 2024
Institute of Polymer Optoelectronic Materials and Devices, State Key Laboratory of Luminescent Materials and Devices, Guangdong Basic Research Center of Excellence for Energy & Information Polymer Materials, South China University of Technology, Guangzhou 510640, China.
High-performance n-type organic mixed ionic-electronic conductors (OMIECs) are essential for advancing complementary circuits based on organic electrochemical transistors (OECTs). Despite significant progress, current n-type OMIECs often exhibit lower transconductance and slower response times compared to their p-type counterparts, limiting the development of OECT-based complementary circuits. Optimizing the conjugated backbone and side chain structures of OMIECs is critical for enhancing both ion and electron transport efficiencies while maintaining a delicate balance between the two.
View Article and Find Full Text PDFPhotocatalytic doping of organic semiconductors.
Nature
June 2024
Laboratory of Organic Electronics, Department of Science and Technology, Linköping University, Norrköping, Sweden.
Chemical doping is an important approach to manipulating charge-carrier concentration and transport in organic semiconductors (OSCs) and ultimately enhances device performance. However, conventional doping strategies often rely on the use of highly reactive (strong) dopants, which are consumed during the doping process. Achieving efficient doping with weak and/or widely accessible dopants under mild conditions remains a considerable challenge.
View Article and Find Full Text PDFIndustrial Kraft Lignin Based Binary Cathode Interface Layer Enables Enhanced Stability in High Efficiency Organic Solar Cells.
Adv Mater
March 2024
Laboratory of Organic Electronics, Department of Science and Technology (ITN), Linköping University, Norrköping, SE-60174, Sweden.
Herein, a binary cathode interface layer (CIL) strategy based on the industrial solvent fractionated LignoBoost kraft lignin (KL) is adopted for fabrication of organic solar cells (OSCs). The uniformly distributed phenol moieties in KL enable it to easily form hydrogen bonds with commonly used CIL materials, i.e.
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