Translated with AI from the Russian original.
At St. Petersburg Electrotechnical University "LETI", in collaboration with colleagues from Kazakhstan, a new composite has been developed for the production of highly sensitive sensors for hazardous gases. This was reported by the press service of the Ministry of Education and Science of the Russian Federation.
We have synthesized a new composite nanomaterial based on a substrate of meso-macroporous silicon with a hierarchical structure, coated with layers of zinc oxide (ZnO). In this work, we investigated the features of zinc oxide formation at various levels of the porous texture hierarchy.
Porous silicon was used as a substrate to increase the sensitivity of the sensor. Then, zinc oxide was applied to it at a temperature of 350-400 °C.
These materials are obtained by technologically simple methods, which reflects their potential wide applicability. At the same time, research results show that sensors based on this can detect hazardous gases in very low concentrations.
Sensors made on the basis of the new composite are planned to be used at power plants, factories, and mines.
Earlier www1.ru reported that a unique ultra-light composite for prosthetics was developed at NMIC named after Meshalkin.
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