| abstract |
The invention provides a Pd-Ag alloy nanocrystalline hydrogen sensor, which comprises a metal oxide sensitive material, and the surface of the metal oxide sensitive material is loaded with Pd-Ag alloy nanocrystalline particles. The invention further provides a preparation method and application of a hydrogen sensor based on Pd-Ag alloy nanocrystals. The invention provides a hydrogen sensor based on Pd-Ag alloy nanocrystals and a preparation method thereof, which can enhance the sensitivity of the hydrogen sensor to detect hydrogen and realize synergistic catalysis. The preparation method is simple and mature, easy to operate, low in price, advanced in use, It has practical application significance, and has positive significance for the detection of flammable and explosive gases. |