Journal
ACS CATALYSIS
Volume 11, Issue 11, Pages 6709-6714Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acscatal.1c01264
Keywords
hollow-core photonic crystal fibers; in situ spectroscopy; Raman; esterification; microreactor
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Funding
- International Max Planck Research School for the Physics of Light in Erlangen
- Bavarian Ministry of Economic Affairs, regional Development and Energy
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By utilizing hollow-core photonic crystal fibers, it is possible to monitor the evolution of chemical reactions with single-pass spectroscopic measurements using minimal volumes of chemicals. In this study, nonlinear Raman spectroscopy was employed for screening the reaction of acidic catalyzed esterification of methanol and acetic acid as a proof of principle.
We report on the use of hollow-core photonic crystal fibers to monitor the evolution of chemical reactions. The combination of tight confinement and long interaction length allows single-pass spectroscopic measurements using less than a microliter volume of chemicals with good accuracy. As a proof of principle, we used here nonlinear Raman spectroscopy for a reaction screening of the acidic catalyzed esterification of methanol and acetic acid.
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