Activating two-dimensional semiconductors for photocatalysis: a cross-dimensional strategy

Area of Science:

• Materials Science
• Nanotechnology
• Photocatalysis

Background:

• Two-dimensional (2D) semiconductors offer unique properties for applications like photocatalysis.
• Their inherent dimensionality can limit activation pathways for forming efficient heterogeneous photocatalysts.

Purpose of the Study:

• To present a cross-dimensional strategy for enhancing the photocatalytic activity of 2D semiconductors.
• To explore the use of nD (0-2) clusters or nanomaterials as activation partners for 2D materials.

Main Methods:

• Illustrating formation principles and selection criteria for 2D heterogeneous photocatalysts.
• Utilizing density functional theory (DFT) and machine learning for computer investigations.
• Employing chemical methods and advanced characterization techniques for synthetic realization and mechanistic studies.

Main Results:

• Demonstrating the feasibility of creating 2D heterogeneous photocatalyst systems.
• Providing insights into materials selection and mechanistic understanding.
• Highlighting the potential of cross-dimensional activation for improved photocatalytic performance.

Conclusions:

• Cross-dimensional strategies effectively enhance the photocatalytic activity of 2D semiconductors.
• This approach opens avenues for improved pollutant removal and hydrogen evolution.
• The strategy is applicable to other applications like CO2 removal and inspires future research.