Optical photothermal infrared response (O-PTIR) of functionalized thiophene monomers and polymers

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dc.contributor.authorBaugh, Quintin
dc.contributor.authorLee, Junghyun
dc.contributor.authorWu, Yuhang
dc.contributor.authorCocuk, Nurdan
dc.contributor.authorMartin, David C.
dc.date.accessioned2025-08-13T16:23:26Z
dc.date.available2025-08-13T16:23:26Z
dc.date.issued2025-08-06
dc.descriptionThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.
dc.description.abstractOptical photothermal infrared response (O-PTIR) spectroscopy is an emerging technique of particular interest for examining the local chemistry and structure of organic molecular and polymer materials. Here, we used O-PTIR to examine the 3,4-ethylenedioxythiophene (EDOT) and maleimide-functionalized (EDOT-MA) monomers, and also thin films (~100 nm) of their corresponding polymers (PEDOT and PEDOT-MA) electrochemically deposited on interdigitated (5 μm) gold electrodes. The O-PTIR technique provided high-resolution (~ 1 μm) information about the chemical structure, including the ability to map local variations in the composition of the MA side groups. Certain limitations were found, particularly in samples that were strongly optically absorbing.
dc.description.sponsorshipFunding was provided through the University of Delaware’s discretionary fund given to David Martin, as well as by the Waters Corporation through their Immerse Delaware fund.
dc.identifier.citationBaugh, Q., Lee, J., Wu, Y. et al. Optical photothermal infrared response (O-PTIR) of functionalized thiophene monomers and polymers. MRS Commun. (2025). https://doi.org/10.1557/s43579-025-00783-0
dc.identifier.issn2159-6867
dc.identifier.urihttps://udspace.udel.edu/handle/19716/36482
dc.language.isoen_US
dc.publisherMRS Communications
dc.rightsAttribution 4.0 Internationalen
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectInfrared Spectroscopy
dc.subjectOrganic Molecules in Materials Science
dc.subjectOptical Spectroscopy
dc.subjectPolymers
dc.subjectSurface plasmon resonance
dc.subjectSurface-Enhanced Raman Spectroscopy
dc.titleOptical photothermal infrared response (O-PTIR) of functionalized thiophene monomers and polymers
dc.typeArticle

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