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On-surface reactions are rapidly gaining attention as a chemical technique for synthesizing organic functional materials such as graphene nanoribbons and molecular semiconductors. Quantitative analysis of such reactions is essential for fabricating high-quality film structures, but until our recent work using p-polarized multiple-angle incidence resolution spectrometry (pMAIRS), no analytical technique had been available to quantify the reaction rate. In the present study, the pMAIRS technique is employed to analyze the photochemical reaction from 6,13-dihydro-6,13-ethanopentacene-15,16-dione to pentacene in thin films. The spectral analysis on a pMAIRS principle has readily revealed the photoconversion rate accurately without other complicated calculations. Thus, this study underlines that the pMAIRS technique is a powerful tool for quantitative analysis of on-surface reactions as well as molecular orientation.

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  This document is the Accepted Manuscript version of a Published Work that appeared in final form in Quantitative Analysis of Photochemical Reactions in Pentacene Precursor Films, copyright © 2023 American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see https://doi.org/10.1021/acs.langmuir.3c03594

Keyword: molecular orientation, pentacene, pMAIRS, photoconversion, film

Date published: 2024-01-09

Publisher: American Chemical Society (ACS)

Journal:

• Langmuir (ISSN: 07437463) vol. 40 issue. 1 p. 1137-1142

Funding:

• Japan Society for the Promotion of Science JP20H05833
• Japan Society for the Promotion of Science 21K18979
• Japan Society for the Promotion of Science 22K14604
• Japan Society for the Promotion of Science 22H02106
• Kyoto University

Manuscript type: Author's version (Accepted manuscript)

MDR DOI: https://doi.org/10.48505/nims.4512

First published URL: https://doi.org/10.1021/acs.langmuir.3c03594

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Updated at: 2024-12-27 16:30:46 +0900

Published on MDR: 2024-12-27 16:30:46 +0900