HEA-decorated Nb₂O₅ microspheres

3-s response, high selectivity

Introducing HEA synergistic catalysis enhances hydrogen response of Nb₂O₅ sensor by 35 times and lowers operating temperature to 175°C.

Kai, Du · Huafei, Geng · Zhenjie, Zhao · Xueyang, Li · Li, Gaojie

Materials Science in Semiconductor Processing 2026

Specifications

limit ppm range

{'zh': '5', 'en': '10000'} ppm

to ppm H

{'zh': '', 'en': '35'} times

Advantages

Response time 3 s to 1000 ppm H₂ at 175°C