PdAu Alloy Hydrogen Sensor

Sub-ppm at RT

Annealing and electrode engineering create a compositionally graded PdAu alloy that combines high sensitivity with poisoning resistance at room temperature.

Wang, Shuai · Mu, Haibao · Wang, Yunfeng · Maoqun, Shen · Zekai, Lai · Zhang, Guanjun

ACS Sensors 2026

Specifications

室温下检测限

{'zh': '0.1', 'en': ''} ppm H

响应幅度较对照提升

{'zh': '70.6', 'en': ''} %

Advantages

Stable operation over 60 days

Excellent selectivity against interferents (e.g., CO)