Quantitative Analysis of Photochemical Reactions in Pentacene Precursor Films.
Langmuir
; 40(1): 1137-1142, 2024 Jan 09.
Article
in En
| MEDLINE
| ID: mdl-38149378
ABSTRACT
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 is 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 readily reveals 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.
Full text:
1
Collection:
01-internacional
Database:
MEDLINE
Language:
En
Journal:
Langmuir
Journal subject:
QUIMICA
Year:
2024
Type:
Article
Affiliation country:
Japan