DOI: 10.1039/d6mh00942e ISSN: 2051-6347

A ratiometric SERS gas sensor with high reusability based on spatially separated photocatalysis

Jie Huang, Lin Xie, Ying Li, Xin Li, Likui Wang, Haiyan Zhu, Renqing Ji, Gang Shi

The protection of internal standard molecules and the removal of SO 2 in the photocatalytic process were achieved by the spatial separation of the cocatalyst, thereby improving the reusability of the sensor.