Thallium-doped cesium iodide (CsI:Tl) scintillation crystal can be made into various detectors and has good future application prospects.

Thallium-doped cesium iodide (CsI:Tl) scintillation crystal is a colorless and transparent cubic crystal that uses cesium iodide as the matrix material and is doped with an appropriate concentration of thallium (Tl). CsI: Tl scintillation crystal is a halide scintillator. It has the characteristics of high density, high average coefficient, low melting point, and high luminous efficiency. It can be used to make various detectors and is widely used in nuclear physics, nuclear medical imaging, geological exploration, and industry. Non-destructive testing, security inspection and other fields.

Scintillation crystal is a functional crystal material that can convert the energy of Χ, γ rays or other high-energy particles into visible light or ultraviolet light. Scintillation crystals are an important tool for high-energy ray detection. In recent years, with the continuous deepening of research, the types of scintillation crystals have become increasingly abundant, and new scintillation crystal materials such as CsI:Tl, CWO, and BGO have emerged one after another. At the same time, due to the development of modern medical imaging technology, the market demand for new scintillation crystal materials with high density, high light output, and high energy resolution has increased, which also provides broad space for the development of the CsI:Tl scintillation crystal market.

According to the “2022-2026 China Thallium-Doped Cesium Iodide (CsI: Tl) Scintillation Crystal Industry Market Monitoring and Future Development Prospects Research Report released by the Industrial Research Center” shows that in 2021, the global digital X-ray detector market will exceed US$2 billion. The market size is expected to grow to US$3.0 billion in 2027, with an average annual compound growth rate of 6.2% from 2022 to 2027. CsI:Tl scintillation crystals are widely used in digital X-ray detectors. The global digital X-ray detector market is developing well, which is conducive to the growth of demand for CsI:Tl scintillation crystals.

my country’s scintillation crystal research started late. In the early days, the demand for CsI:Tl scintillation crystals relied on imports. At the beginning of the 21st century, the Shanghai Institute of Ceramics of the Chinese Academy of Sciences and the Institute of Crystallography successfully limited the production of CsI:Tl crystals, breaking the foreign technology monopoly. At this stage, my country is at the internationally advanced or leading level in the research, development and application of CsI:Tl scintillation crystals. Relevant production companies include Nanjing Jinheng Optoelectronics Technology, Shanghai Shuojie Crystal, Shanghai Yuguang New Materials Technology, etc.

Cesium iodide is the main raw material for the production of CsI:Tl scintillation crystals. Its appearance is colorless or white crystals or crystalline powder. my country is rich in rare earth resources, with a full range of rare earth varieties and large quantities. Among them, cesium resources are mainly distributed in the Altai region of Xinjiang and Yichun, Jiangxi. In addition, with the improvement of medical standards and the rise of domestic PET/CT equipment, the market demand for scintillation crystals for PET/CT equipment is vast. From this point of view, my country has raw material and market advantages in developing the CsI:Tl scintillation crystal industry.

Industry analysts said that after years of development and accumulation, my country is now at the forefront of the world in the research and development and application of CsI:Tl scintillation crystals. Advanced or leading level. CsI:Tl scintillation crystals can be used to make various detectors. In recent years, with the development of industrial automation and high-end imaging equipment, the market demand for industrial detectors and medical detectors has been continuously released, which is beneficial to the development of the CsI:Tl scintillation crystal industry.