Wu Zhengkun, Cheng Xu, Yang Yifan, Wang Yanrong, Lv Xiurui, An Beixi, Wang Qiao, Zhang Tingyu, Han Ruiqi, Xie Erqing
School of Physical Science and Technology, Lanzhou University, Lanzhou 730000, P. R. China.
ACS Sens. 2025 Feb 28;10(2):995-1004. doi: 10.1021/acssensors.4c02774. Epub 2025 Jan 27.
Efficient gas sensors that can accurately detect and identify hydrogen sulfide are essential for various practical applications. Conventional resistive sensors often lack the necessary selectivity, which hampers timely and effective HS detection. This study presents lead phosphate-based gas sensors specifically designed for HS detection, which effectively eliminate interference effects. Notably, altering the metal element did not compromise the sensor's exceptional selectivity. The sensing mechanism behind this excellent selectivity is explained. The findings demonstrate the potential for developing high-performance phosphate-based gas sensors for use under ambient conditions and offer a strategic reference for designing highly selective sensors.
能够准确检测和识别硫化氢的高效气体传感器对于各种实际应用至关重要。传统的电阻式传感器往往缺乏必要的选择性，这阻碍了对硫化氢的及时有效检测。本研究展示了专门为检测硫化氢而设计的磷酸铅基气体传感器，该传感器有效消除了干扰效应。值得注意的是，改变金属元素并不会影响传感器卓越的选择性。文中解释了这种优异选择性背后的传感机制。研究结果证明了开发用于环境条件下的高性能磷酸盐基气体传感器的潜力，并为设计高选择性传感器提供了策略性参考。
