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5 October 2023 High-resolution imaging for the analysis of microstructural properties influencing charge transport in IDT-BT
Stefania Moro, Giovanni Costantini, Iain McCulloch, Jenny Nelson
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Proceedings Volume PC12662, Organic and Hybrid Transistors XXII; PC1266208 (2023) https://doi.org/10.1117/12.2677370
Event: SPIE Organic Photonics + Electronics, 2023, San Diego, California, United States
Abstract
Combining electrospray (ESD) and scanning tunnelling microscopy (STM) has shown in recent years to reliably grant access to individual polymer strands within self-assembled polymer monolayers with submolecular resolution. Here, this methodology is used to study the microstructural properties that influence intra- and inter-chain charge transport in the case of the amorphous polymer IDT-BT. The analysis of STM images allows us to precisely determine backbone conformations and statistically infer torsional potential energies for IDT-BT, to quantify the size and relative orientation of nanoaggregates within the polymer monolayers, and to provide the exact geometrical configuration of short-contact crossing points between polymer backbones.
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Stefania Moro, Giovanni Costantini, Iain McCulloch, and Jenny Nelson "High-resolution imaging for the analysis of microstructural properties influencing charge transport in IDT-BT", Proc. SPIE PC12662, Organic and Hybrid Transistors XXII, PC1266208 (5 October 2023); https://doi.org/10.1117/12.2677370
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KEYWORDS
Scanning tunneling microscopy
Polymers
Diseases and disorders
Field effect transistors
Image resolution
Monolayers
Nanolithography
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