Bragg Coherent Diffraction Imaging for In Situ Studies in Electrocatalysis

Area of Science:

• Materials Science
• Physical Chemistry
• Nanotechnology

Background:

• Electrocatalysis is vital for a sustainable economy, with nanomaterials being key catalysts due to their high surface area.
• Lattice strain in nanoscale catalysts influences their electronic properties and catalytic activity.
• Bragg coherent diffraction imaging (BCDI) provides 3D structural information and strain mapping of crystalline nanomaterials.

Purpose of the Study:

• To review the fundamentals of BCDI and its application in electrocatalysis.
• To explore how computational methods complement BCDI data for deeper understanding.
• To highlight BCDI's contributions to heterogeneous catalysis and future electrocatalysis research.

Main Methods:

• Description of Bragg coherent diffraction imaging (BCDI) principles.
• Review of computational experiments complementing BCDI data.
• Case studies of BCDI applied to various electrochemical systems.

Main Results:

• BCDI reveals 3D strain fields in nanomaterials, impacting catalyst performance.
• Computational studies enhance BCDI data interpretation for nanoscale electrocatalytic processes.
• BCDI has been successfully applied to diverse electrochemical systems, aiding catalyst development.

Conclusions:

• BCDI is a powerful tool for understanding nanoscale catalyst behavior in electrocatalysis.
• Overcoming current limitations in resolution and accessibility is key for wider adoption.
• Future advancements in synchrotron facilities and AI/ML will enhance BCDI's capabilities.