Creation of an optical sensor based on the pCdTe – nCdS and pCdTe – nCdSe heterostructure for detecting polluted air

This article discusses the creation of optical sensors for detecting polluted air based on the pCdTe – nCdS and pCdTe – nCdSe heterostructures. It was established that the developed optical sensors, with an automatic control system using Arduino, operate effectively across wide ranges of the infrared (IR) spectrum. The study found that the increased responsiveness of the optical sensor ensures uniform sensitivity and a high degree of background light suppression. It was demonstrated that using the optical sensor, it is possible to determine the level of dust and smoke in both indoor environments and open land areas.

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