Oriented construction of defective metal sulfides and their application in gas–solid reactions for pollutant detection and purification

Key Points

• The aim is to explore the classification and construction strategies of defective metal sulfides and their effects on gas–solid reactions.
• Reviewed various construction strategies for defective metal sulfides.
• Analyzed the impact of defects on gas–solid reactions.
• Discussed application methods for pollutant detection and purification.
• Defective metal sulfides show enhanced sensitivity in pollutant detection.
• Characterization techniques improve understanding of their purification capabilities.
• Outlined specific construction methods that optimize gas–solid reaction processes.