Читать книгу All sciences. №9, 2023. International Scientific Journal - Екатерина Александровна Селивёрстова, Ibratjon Xatamovich Aliyev, Екатерина Александровна Мулярчик (Буча) - Страница 5

The development of micro – nano electronics and new technological possibilities for the manufacture of complex semiconductor structures stimulate further study of new optical and photovoltaic phenomena in active film elements.

Currently, oxides and nitrides of semiconductors and semiconductor films grown on their surfaces are widely used in the manufacture of multichannel photovoltaic converters and other active elements of microelectronics circuits, and in particular, optoelectronics. In this case, it is possible to obtain high-quality and dielectric layers of semiconductors with deep levels. At the same time, it is easier and cheaper to use polycrystalline films sprayed on amorphous substrates rather than epitaxial ones.

CdTe semiconductor films are an important material for the creation of photodetector devices based on heterostructures operating in the near (up to 3 microns) and far (8—14 microns) The IR range. It is of interest to obtain heterostructures based on photosensitive layers with different types of conductivity. A promising p-type material doped with silver and copper, which give an acceptor level in the forbidden zone with a long lifetime of non-main charge carriers [1—14].

The aim of the work is to study new photovoltaic properties of active CdTe thin films and heterostructures in a system with SiO2-Si under conditions of specific external influences.

The results of experimental studies of the photovoltaic properties of textures from sprayed layers of CdTe – SiO2 – Si, etc., allow the development of new devices based on polycrystalline films with controlled properties.

Below we investigate the photosensitivity of the CdTe – SiO2 – Si structure, which can be used, for example, as a metal – silicon nitride oxide semiconductor (MNP) – a transistor with a polarized dielectric [1,2], which allows electrical rewriting of information.