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Your search keyword '"Inal, Sahika"' showing total 17 results
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17 results on '"Inal, Sahika"'

3. A single n-type semiconducting polymer-based photo-electrochemical transistor

Author

Druet, Victor, primary, Ohayon, David, additional, Petoukhoff, Christopher E., additional, Zhong, Yizhou, additional, Alshehri, Nisreen, additional, Koklu, Anil, additional, Nayak, Prem D., additional, Salvigni, Luca, additional, Almulla, Latifah, additional, Surgailis, Jokubas, additional, Griggs, Sophie, additional, McCulloch, Iain, additional, Laquai, Frédéric, additional, and Inal, Sahika, additional

Published
2023
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5. Rapid single-molecule detection of COVID-19 and MERS antigens via nanobody-functionalized organic electrochemical transistors

Author

Guo, Keying, primary, Wustoni, Shofarul, additional, Koklu, Anil, additional, Díaz-Galicia, Escarlet, additional, Moser, Maximilian, additional, Hama, Adel, additional, Alqahtani, Ahmed A., additional, Ahmad, Adeel Nazir, additional, Alhamlan, Fatimah Saeed, additional, Shuaib, Muhammad, additional, Pain, Arnab, additional, McCulloch, Iain, additional, Arold, Stefan T., additional, Grünberg, Raik, additional, and Inal, Sahika, additional

Published
2021
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6. Biomembrane-based organic electronic devices for ligand-receptor binding studies

Author

Liu, Han-Yuan, Pappa, Anna-Maria, Hidalgo, Tania Cecilia, Inal, Sahika, Owens, Rόisín M, Daniel, Susan, Daniel, Susan [0000-0001-7773-0835], and Apollo - University of Cambridge Repository

Subjects
Supported lipid bilayer, Lipid Bilayers, Electric Conductivity, Proteins, Serum Albumin, Bovine, Bioelectronic, Biosensing Techniques, Equipment Design, Thiophenes, Ligands, Protein recognition, Biomimetics, PEDOT:PSS, Animals, Polystyrenes, Biotinylation, Cattle, Electronics, Electrodes, Biosensor, Protein Binding
Abstract

We present a simple, rapid method for forming supported lipid bilayers on organic electronic devices composed of conducting polymer electrodes using a solvent-assisted lipid bilayer formation method. These supported bilayers present protein recognition elements that are mobile, critical for multivalent binding interactions. Because these polymers are transparent and conducting, we demonstrate, by optical and electrical detection, the specific interactions of proteins with these biomembrane-based bioelectronic devices. This work paves the way for easy formation of biomembrane mimetics for sensing and detection of binding events in a label-free manner on organic electronic devices of more sophisticated architectures. Graphical abstract.

Published
2020
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7. Water stable molecular n-doping produces organic electrochemical transistors with high transconductance and record stability

Author

Paterson, Alexandra F., primary, Savva, Achilleas, additional, Wustoni, Shofarul, additional, Tsetseris, Leonidas, additional, Paulsen, Bryan D., additional, Faber, Hendrik, additional, Emwas, Abdul Hamid, additional, Chen, Xingxing, additional, Nikiforidis, Georgios, additional, Hidalgo, Tania C., additional, Moser, Maximillian, additional, Maria, Iuliana Petruta, additional, Rivnay, Jonathan, additional, McCulloch, Iain, additional, Anthopoulos, Thomas D., additional, and Inal, Sahika, additional

Published
2020
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9. Biofuel powered glucose detection in bodily fluids with an n-type conjugated polymer

Author

Ohayon, David, primary, Nikiforidis, Georgios, additional, Savva, Achilleas, additional, Giugni, Andrea, additional, Wustoni, Shofarul, additional, Palanisamy, Tamilarasan, additional, Chen, Xingxing, additional, Maria, Iuliana Petruta, additional, Di Fabrizio, Enzo, additional, Costa, Pedro M. F. J., additional, McCulloch, Iain, additional, and Inal, Sahika, additional

Published
2019
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11. Organic electrochemical transistors

Author

Rivnay, Jonathan, primary, Inal, Sahika, additional, Salleo, Alberto, additional, Owens, Róisín M., additional, Berggren, Magnus, additional, and Malliaras, George G., additional

Published
2018
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13. N-type organic electrochemical transistors with stability in water

Author

Giovannitti, Alexander, Nielsen, Christian B, Sbircea, Dan-Tiberiu, Inal, Sahika, Donahue, Mary, Niazi, Muhammad R, Hanifi, David A, Amassian, Aram, Malliaras, George G, Rivnay, Jonathan, McCulloch, Iain, Malliaras, George [0000-0002-4582-8501], Apollo - University of Cambridge Repository, Commission of the European Communities, and Engineering & Physical Science Research Council (EPSRC)

Subjects
0306 Physical Chemistry (incl. Structural), HIGH-MOBILITY, Science & Technology, DEVICES, Science, BUILDING-BLOCK, POLYMER, 0303 Macromolecular and Materials Chemistry, SEMICONDUCTORS, TRANSPORT, Multidisciplinary Sciences, TRANSCONDUCTANCE, Science & Technology - Other Topics, THIN-FILM TRANSISTORS, 0912 Materials Engineering
Abstract

Organic electrochemical transistors (OECTs) are receiving significant attention due to their ability to efficiently transduce biological signals. A major limitation of this technology is that only p-type materials have been reported, which precludes the development of complementary circuits, and limits sensor technologies. Here, we report the first ever n-type OECT, with relatively balanced ambipolar charge transport characteristics based on a polymer that supports both hole and electron transport along its backbone when doped through an aqueous electrolyte and in the presence of oxygen. This new semiconducting polymer is designed specifically to facilitate ion transport and promote electrochemical doping. Stability measurements in water show no degradation when tested for 2 h under continuous cycling. This demonstration opens the possibility to develop complementary circuits based on OECTs and to improve the sophistication of bioelectronic devices.

Published
2016

14. Erratum: N-type organic electrochemical transistors with stability in water

Author

Giovannitti, Alexander, primary, Nielsen, Christian B., additional, Sbircea, Dan-Tiberiu, additional, Inal, Sahika, additional, Donahue, Mary, additional, Niazi, Muhammad R., additional, Hanifi, David A., additional, Amassian, Aram, additional, Malliaras, George G., additional, Rivnay, Jonathan, additional, and McCulloch, Iain, additional

Published
2016
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15. N-type organic electrochemical transistors with stability in water

Author

Giovannitti, Alexander, primary, Nielsen, Christian B., additional, Sbircea, Dan-Tiberiu, additional, Inal, Sahika, additional, Donahue, Mary, additional, Niazi, Muhammad R., additional, Hanifi, David A., additional, Amassian, Aram, additional, Malliaras, George G., additional, Rivnay, Jonathan, additional, and McCulloch, Iain, additional

Published
2016
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17. Water stable molecular n-doping produces organic electrochemical transistors with high transconductance and record stability

Author

Abdul-Hamid M. Emwas, Maximillian Moser, Iain McCulloch, Xingxing Chen, Thomas D. Anthopoulos, Shofarul Wustoni, Bryan D. Paulsen, Hendrik Faber, Jonathan Rivnay, Sahika Inal, Achilleas Savva, Iuliana P. Maria, Tania C. Hidalgo, Georgios Nikiforidis, Leonidas Tsetseris, Alexandra F. Paterson, Savva, Achilleas [0000-0002-0197-0290], Wustoni, Shofarul [0000-0002-3059-4503], Tsetseris, Leonidas [0000-0002-0330-0813], Paulsen, Bryan D [0000-0002-0923-8475], Hidalgo, Tania C [0000-0001-5299-9539], Rivnay, Jonathan [0000-0002-0602-6485], Anthopoulos, Thomas D [0000-0002-0978-8813], Inal, Sahika [0000-0002-1166-1512], and Apollo - University of Cambridge Repository

Subjects
Materials science, Science, Transconductance, General Physics and Astronomy, 02 engineering and technology, Electrolyte, Conjugated polymers, 010402 general chemistry, 01 natural sciences, Capacitance, Article, 4016 Materials Engineering, General Biochemistry, Genetics and Molecular Biology, law.invention, law, Electronic devices, lcsh:Science, 40 Engineering, chemistry.chemical_classification, 3403 Macromolecular and Materials Chemistry, Bioelectronics, Multidisciplinary, 34 Chemical Sciences, Dopant, business.industry, Doping, Transistor, General Chemistry, Polymer, 021001 nanoscience & nanotechnology, 0104 chemical sciences, chemistry, Optoelectronics, lcsh:Q, 0210 nano-technology, business
Abstract

From established to emergent technologies, doping plays a crucial role in all semiconducting devices. Doping could, theoretically, be an excellent technique for improving repressively low transconductances in n-type organic electrochemical transistors – critical for advancing logic circuits for bioelectronic and neuromorphic technologies. However, the technical challenge is extreme: n-doped polymers are unstable in electrochemical transistor operating environments, air and water (electrolyte). Here, the first demonstration of doping in electron transporting organic electrochemical transistors is reported. The ammonium salt tetra-n-butylammonium fluoride is simply admixed with the conjugated polymer poly(N,N’-bis(7-glycol)-naphthalene-1,4,5,8-bis(dicarboximide)-co-2,2’-bithiophene-co-N,N’-bis(2-octyldodecyl)-naphthalene-1,4,5,8-bis(dicarboximide), and found to act as a simultaneous molecular dopant and morphology-additive. The combined effects enhance the n-type transconductance with improved channel capacitance and mobility. Furthermore, operational and shelf-life stability measurements showcase the first example of water-stable n-doping in a polymer. Overall, the results set a precedent for doping/additives to impact organic electrochemical transistors as powerfully as they have in other semiconducting devices., Improving electron transport and stability of n-type organic electrochemical transistors (OECTs) is required to realize a commercially-viable technology for bioelectronics applications. Here, the authors report water-stable doped n-type OECTs with enhanced transconductance and record stability.

Published
2020

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