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Published on: April 12, 2019
A Perspective into Operando Methods for Probing Catalytic Interfaces
Olivia J Alley1, Yue Liu1, Francesca M Toma1,2,3
1Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720-8099, United States.
Rational catalyst design for solar fuel production is advancing with operando (in-situ) measurements. These techniques visualize catalyst structure and function during reactions, accelerating the development of efficient electrocatalysts.
Area of Science:
- Materials Science
- Electrochemistry
- Catalysis
Background:
- Electrocatalyst design for solar fuels is crucial for energy conversion.
- Operando measurements provide real-time insights into catalyst behavior during reactions.
Purpose of the Study:
- To review advances in operando imaging for catalysts used in solar fuel production.
- To highlight the role of these techniques in understanding catalytic mechanisms and improving catalyst design.
Main Methods:
- Operando microscopy and spectroscopy to probe catalyst morphology, composition, and function during catalysis.
- Integration of AI and robotics for accelerated catalyst development.
Main Results:
- Operando techniques reveal catalyst microenvironment, oxidation states, adsorbates, and products.
- Visualization of evolving catalyst morphologies and surface compositions aids mechanistic understanding.
Conclusions:
- Operando measurements are key to rational electrocatalyst design for solar fuels.
- Future developments in instrumentation and computation will further enhance these capabilities.
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