Scientists at Tomsk Polytechnic University have developed a new method for the manufacture of phosphorescent ceramics necessary for the creation of diodes, lasers and other photonic devices. This unique import substitution technology is characterized by high productivity and precise control of product properties. The results of the study were published in the journal Materials.
Phosphors are substances that convert absorbed light, mechanical or thermal energy into light radiation. They play an important role in the manufacture of fluorescent lamps, LEDs and other devices, photonics.
Existing methods for producing phosphor ceramics have some disadvantages, such as the formation of defects in the material and limited controllability of the processes. But a new method proposed by scientists from Tomsk Polytechnic University solves these problems. It relies on the use of a high-energy electron beam to sinter powders of the first oxides. This allows you to quickly synthesize a significant amount of a substance and check its properties.
The method established for the industrial production of yttrium-aluminum garnet doped with cerium ions was an important step in the production of white light diodes. This technology also opens up new possibilities for the creation of various types of ceramics to be used in photosensors, lasers, photovoltaic devices and other photonic devices. This is an important breakthrough that will help Russia become independent of imports in this field and develop its scientific and technical expertise.
Source: Ferra
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