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7 results on '"Rapley, Charlotte L."'

2. Modular Synthesis of Semiconducting Graft Copolymers to Achieve "Clickable" Fluorescent Nanoparticles with Long Circulation and Specific Cancer Targeting.

Author

Creamer, Adam, Fiego, Alessandra Lo, Agliano, Alice, Prados‐Martin, Lino, Høgset, Håkon, Najer, Adrian, Richards, Daniel A., Wojciechowski, Jonathan P., Foote, James E. J., Kim, Nayoung, Monahan, Amy, Tang, Jiaqing, Shamsabadi, André, Rochet, Léa N. C., Thanasi, Ioanna A., de la Ballina, Laura R., Rapley, Charlotte L., Turnock, Stephen, Love, Elizabeth A., and Bugeon, Laurence

Published
2024
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3. Ionic Density Control of Conjugated Polyelectrolytes via Postpolymerization Modification to Enhance Hole‐Blocking Property for Highly Efficient PLEDs with Fast Response Times

Author

Yan, Hao, primary, Cong, Shengyu, additional, Daboczi, Matyas, additional, Limbu, Saurav, additional, Hamilton, Iain, additional, Kwon, Sooncheol, additional, Rapley, Charlotte L., additional, Tahir, Syuhada Mohd, additional, Kerherve, Gwilherm, additional, Payne, David, additional, Heeney, Martin, additional, and Kim, Ji‐Seon, additional

Published
2023
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4. Enhanced Organic Electrochemical Transistor Performance of Donor–Acceptor Conjugated Polymers Modified with Hybrid Glycol/Ionic Side Chains by Postpolymerization Modification

Author

Ding, Bowen, primary, Jo, Il-Young, additional, Yu, Hang, additional, Kim, Ji Hwan, additional, Marsh, Adam V., additional, Gutiérrez-Fernández, Edgar, additional, Ramos, Nicolás, additional, Rapley, Charlotte L., additional, Rimmele, Martina, additional, He, Qiao, additional, Martín, Jaime, additional, Gasparini, Nicola, additional, Nelson, Jenny, additional, Yoon, Myung-Han, additional, and Heeney, Martin, additional

Published
2023
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5. Modular Synthesis of Semiconducting Graft Copolymers to Achieve “Clickable” Fluorescent Nanoparticles with Long Circulation and Specific Cancer Targeting

Author

Creamer, Adam, primary, Fiego, Alessandra Lo, additional, Agliano, Alice, additional, Prados‐Martin, Lino, additional, Høgset, Håkon, additional, Najer, Adrian, additional, Richards, Daniel A., additional, Wojciechowski, Jonathan P., additional, Foote, James E. J., additional, Kim, Nayoung, additional, Monahan, Amy, additional, Tang, Jiaqing, additional, Shamsabadi, André, additional, Rochet, Léa N. C., additional, Thanasi, Ioanna A., additional, de la Ballina, Laura R., additional, Rapley, Charlotte L., additional, Turnock, Stephen, additional, Love, Elizabeth A., additional, Bugeon, Laurence, additional, Dallman, Margaret J., additional, Heeney, Martin, additional, Kramer‐Marek, Gabriela, additional, Chudasama, Vijay, additional, Fenaroli, Federico, additional, and Stevens, Molly M., additional

Published
2023
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6. Enhanced Organic Electrochemical Transistor Performance of Donor–Acceptor Conjugated Polymers Modified with Hybrid Glycol/Ionic Side Chains by Postpolymerization Modification

Author

Ding, Bowen, Jo, Il-Young, Yu, Hang, Kim, Ji Hwan, Marsh, Adam V., Gutiérrez-Fernández, Edgar, Ramos, Nicolás, Rapley, Charlotte L., Rimmele, Martina, He, Qiao, Martín, Jaime, Gasparini, Nicola, Nelson, Jenny, Yoon, Myung-Han, Heeney, Martin, Ding, Bowen, Jo, Il-Young, Yu, Hang, Kim, Ji Hwan, Marsh, Adam V., Gutiérrez-Fernández, Edgar, Ramos, Nicolás, Rapley, Charlotte L., Rimmele, Martina, He, Qiao, Martín, Jaime, Gasparini, Nicola, Nelson, Jenny, Yoon, Myung-Han, and Heeney, Martin

Abstract

[Abstract] Emergent bioelectronic technologies are underpinned by the organic electrochemical transistor (OECT), which employs an electrolyte medium to modulate the conductivity of its organic semiconductor channel. Here we utilize postpolymerization modification (PPM) on a conjugated polymer backbone to directly introduce glycolated or anionic side chains via fluoride displacement. The resulting polymers demonstrated increased volumetric capacitances, with subdued swelling, compared to their parent polymer in p-type enhancement mode OECTs. This increase in capacitance was attributed to their modified side chain configurations enabling cationic charge compensation for thin film electrochemical oxidation, as deduced from electrochemical quartz crystal microbalance measurements. An overall improvement in OECT performance was recorded for the hybrid glycol/ionic polymer compared to the parent, owing to its low swelling and bimodal crystalline orientation as imaged by grazing-incidence wide-angle X-ray scattering, enabling its high charge mobility at 1.02 cm2·V–1·s–1. Compromised device performance was recorded for the fully glycolated derivative compared to the parent, which was linked to its limited face-on stacking, which hindered OECT charge mobility at 0.26 cm2·V–1·s–1, despite its high capacitance. These results highlight the effectiveness of anionic side chain attachment by PPM as a means of increasing the volumetric capacitance of p-type conjugated polymers for OECTs, while retaining solid-state macromolecular properties that facilitate hole transport.

Published
2023

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