Abstract
Using an ultraviolet laser to excite Raman scattering has the benefit of avoiding fluorescence interference and increasing Raman intensity via resonance enhancement. The high photon energy inherent at ultraviolet wavelengths requires special precautions for sample handling to minimize transformations caused by laser-induced heating and photochemistry. This chapter begins by covering the basic theory of resonance-enhanced Raman spectroscopy and the instrumentation for making measurements with a special focus on sample handling and in situ reaction cells. The remainder of the chapter summarizes studies of catalyst synthesis, catalyst deactivation by coke formation, and catalytic metal oxide speciation. The identification and appearance of resonance-enhanced Raman scattering and how it can be exploited are emphasized.
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Acknowledgments
PCS acknowledges support by the Chemical Sciences, Geosciences and Biosciences Division, Office of Basic Energy Sciences, Office of Science, U.S. Department of Energy under Contract DE-AC02-06CH11357 and Grant DE-FG02-03ER15457. Thanks to Dr. Dingdi Wang for drafting Fig. 6.1.
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Stair, P.C. (2023). Ultraviolet (UV) Raman Spectroscopy. In: Wachs, I.E., Bañares, M.A. (eds) Springer Handbook of Advanced Catalyst Characterization. Springer Handbooks. Springer, Cham. https://doi.org/10.1007/978-3-031-07125-6_6
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