Organic-inorganic hybrid p-n junction composite for high-performance carbon monoxide sensing and mechanistic understanding using in situ Raman spectroscopy

Key Points

• The study aims to develop a high-performance carbon monoxide sensor using a unique organic-inorganic composite material.
• Developed an organic-inorganic p-n heterojunction nanocomposite with WS2 nanosheets and PEDOT:PSS.
• Utilized in situ Raman spectroscopy for mechanistic understanding of the sensing process.
• Characterized the sensor's performance at room temperature.
• Achieved ultra-sensitive detection of carbon monoxide gas at room temperature.
• Demonstrated effective interaction between the composite materials and CO molecules through Raman spectroscopy analysis.

Abstract