Partially oxidized TiO2@Ti3C2Tx nanosheets

Sub-3 s response at 100 ppm

Partial oxidation creates TiO2 adsorption sites on MXene, enabling fast detection of low-concentration water vapor at high temperatures for early micro-leak diagnosis in nuclear steam generators.

Yafeng, Hao · Li, Tengteng · Lei, Cheng · Yu, Xie · Ruifang, Liu · Zhenhao, Zhang · Fengchao, Li · Liang, Ting

Journal of Materials Chemistry C 2025

Advantages

Response time <3 s to 100 ppm water vapor at 300 °C

Operating temperature range 100–300 °C

Excellent repeatability