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19 June 2024 Molecular-scale imaging for the direct characterisation of conjugated polymers
Stefania Moro, Giovanni Costantini
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Proceedings Volume PC13013, Organic Electronics and Photonics: Fundamentals and Devices IV; PC1301304 (2024) https://doi.org/10.1117/12.3017787
Event: SPIE Photonics Europe, 2024, Strasbourg, France
Abstract
Conjugated polymers (CPs) hold promise for modern organic electronics due to their adaptability and cost-effectiveness. However, their molecular-scale characterization is still challenging. In this talk, I will show how the high-resolution imaging capabilities of scanning tunnelling microscopy (STM) can be used to analyse CPs and surpass conventional analytical limits. With a series of examples, I will demonstrate that this method allows molecule-by-molecule characterisation, revealing self-assembly, length distribution, sequence, and chemical structure of the polymers. These can be used to investigate microscale behaviour, comparing polymerization techniques, understanding side-chain effects, and fully characterise CPs where traditional methods fall short, due to aggregation or mass limitations.
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Stefania Moro and Giovanni Costantini "Molecular-scale imaging for the direct characterisation of conjugated polymers", Proc. SPIE PC13013, Organic Electronics and Photonics: Fundamentals and Devices IV, PC1301304 (19 June 2024); https://doi.org/10.1117/12.3017787
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KEYWORDS
Polymers
Scanning tunneling microscopy
Chromatography
Macromolecules
Magnetism
Molecular self-assembly
Organic electronics
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