Recent advances in defect-engineered molybdenum sulfides for catalytic applications

Area of Science:

• Materials Science and Engineering
• Electrochemistry
• Catalysis

Background:

• Sustainable development necessitates efficient electrochemical energy conversion and storage.
• Advanced catalysts are crucial for accelerating sluggish kinetics in electrochemical reactions.
• Molybdenum sulfide (MoS2) is a versatile material for studying catalytic mechanisms and developing new reactions.

Purpose of the Study:

• To review recent theoretical and experimental advancements in defective MoS2 for catalytic applications.
• To explore the role of defects in enhancing MoS2 catalytic performance.
• To discuss the application of defective MoS2 in various energy conversion and storage systems.

Main Methods:

• Review of theoretical and experimental studies on defective MoS2.
• Analysis of defect engineering strategies for catalyst design.
• Investigation of structure-property relationships in MoS2 catalysts.

Main Results:

• Defective MoS2 exhibits enhanced catalytic activity for hydrogen evolution reaction (HER).
• Defects in MoS2 are crucial for N2 reduction reaction (NRR) and CO2 reduction reaction (CRR).
• Synergistic effects of multiple defects lead to significant performance improvements in batteries and hydrodesulfurization.

Conclusions:

• Defective MoS2 is a highly promising catalyst platform for diverse electrochemical applications.
• Rational design of defects, guided by theoretical and experimental tools, is key to optimizing MoS2 performance.
• Further research into defect engineering offers opportunities for breakthroughs in catalysis and energy technologies.