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In situ and Operando Spectroscopies in Photocatalysis: Powerful Techniques for a Better Understanding of the Performance and the Reaction Mechanism by Houeida Issa Hamoud; Lukasz Wolski; Ilia Pankin; Miguel A. Bañares; Marco Daturi; Mohamad El-Roz is a Chemistry article available to read on EtoBox.
What is In situ and Operando Spectroscopies in Photocatalysis: Powerful Techniques for a Better Understanding of the Performance and the Reaction Mechanism about?
In photocatalysis, a set of elemental steps are involved together at different timescales to govern the overall efficiency of the process. These steps are divided as follow: (1) photon absorption and excitation (in femtoseconds), (2) charge separation (femto-to picoseconds), (3) charge carrier diffusion/transport (nano-to microseconds), and (4 and 5) reactant activation/conversion and mass transfer (micro-to milliseconds). The identification and quantification of these steps, using the appropriate tool/technique, can provide the guidelines to emphasize the most influential key parameter that improve the overall efficiency and to develop the "photocatalyst by design" concept. In this review, the identification/quantification of reactant activation/conversion and mass transfer (steps 4 and 5) is discussed in details using the in situ/operando techniques, especially the infrared (IR), Raman, and X-ray absorption spectroscopy (XAS). The use of these techniques in photocatalysis was highlighted by the most recent and conclusive case studies which allow a better characterization of the active site and reveal the reaction pathways in order to establish a structure-performance relationship
Who reads In situ and Operando Spectroscopies in Photocatalysis: Powerful Techniques for a Better Understanding of the Performance and the Reaction Mechanism?
It is typically read by researchers, students, and practitioners in Chemistry.
- Author
- Houeida Issa Hamoud; Lukasz Wolski; Ilia Pankin; Miguel A. Bañares; Marco Daturi; Mohamad El-Roz
- Publisher
- Springer Science and Business Media LLC
- Published
- 2022
- Language
- EN
- Field
- Chemistry (Physical Sciences)