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3 October 2022 Conformation and assembly of conjugated polymers revealed by high-resolution imaging: direct comparison between glycol and alkyl side-chains
Giovanni Costantini
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Proceedings Volume PC12199, Physical Chemistry of Semiconductor Materials and Interfaces XXI; PC121990D (2022) https://doi.org/10.1117/12.2632799
Event: SPIE Nanoscience + Engineering, 2022, San Diego, California, United States
Abstract
The recently developed combination of vacuum electrospray deposition (ESD) and scanning tunnelling microscopy (STM) is used to analyse pBTTT and its glycated side-chain counterparts, pgBTTT and p(g2T-TT). Our high-resolution images allow us to determine the conformation and assembly of the polymers with sub-monomer resolution. We identify clear differences in the tendency of assembling between the two types of polymers and trace them back to the different nature of their side-chain interactions. The generalisation of these findings from 2D monolayers to 3D thin films is proposed as a means to gain so far inaccessible information on the microstructure of conjugated polymers.
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Giovanni Costantini "Conformation and assembly of conjugated polymers revealed by high-resolution imaging: direct comparison between glycol and alkyl side-chains", Proc. SPIE PC12199, Physical Chemistry of Semiconductor Materials and Interfaces XXI, PC121990D (3 October 2022); https://doi.org/10.1117/12.2632799
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KEYWORDS
Polymers
3D metrology
Americium
Scanning tunneling microscopy
System on a chip
Transistors
Nanolithography
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