Revolutionizing Ammonia Detection with Janus WSSe/WS₂! 🌿⚡#worldresearchawards #researchawards

 Janus WSSe/WS₂ heterostructures are opening a new frontier in next-generation ammonia (NH₃) sensing. By combining the asymmetric Janus WSSe monolayer with WS₂, this 2D heterostructure creates an intrinsic electric dipole, enhanced charge transfer, and abundant active sites—perfect for ultra-sensitive gas detection.

Advanced Janus 2D Material Design

Janus WSSe features an asymmetric atomic structure with different chalcogen atoms on each side, creating a built-in electric dipole. When combined with WS₂, this unique design significantly enhances surface reactivity and sensing performance.

Enhanced Ammonia Adsorption

The Janus WSSe/WS₂ heterostructure offers abundant active sites and strong charge–dipole interactions, enabling efficient adsorption of NH₃ molecules even at very low concentrations.

Superior Sensitivity and Selectivity

Strong charge transfer between NH₃ and the heterostructure leads to measurable changes in electrical conductivity, delivering high sensitivity while maintaining selectivity against other common gases.

 Fast Response and Energy-Efficient Operation

Efficient carrier transport across the WSSe–WS₂ interface ensures rapid response and recovery times, allowing reliable room-temperature sensing with low power consumption.

Broad Applications and Future Impact

This sensing platform is ideal for environmental monitoring, industrial safety, smart agriculture, and healthcare diagnostics, highlighting the transformative role of Janus heterostructures in next-generation gas sensor technologies.

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