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What are the applications of lithium fluoride in the electronics industry
info：www.hongjiafu.net | Release time：2026-10-20
1. Electron injection layer for OLED display devices
High purity lithium fluoride thermal evaporation is used to form nano ultra-thin films, which are placed between the cathode and the organic light-emitting layer to reduce the electron injection barrier, improve the luminous efficiency, reduce the driving voltage, and extend the service life of the panel. It is the core functional thin film material for OLED evaporation.
2. Lithium batteries and solid-state battery materials
Preparation of upstream raw materials for lithium hexafluorophosphate for the production of liquid lithium-ion battery electrolytes;
As an electrode interface modification material, it is used for lithium metal batteries and all solid state batteries to construct a stable SEI interface layer, prevent side reactions, and improve cycling stability;
Positive electrode coating additive, nano lithium fluoride coating layer protects the positive electrode, reduces electrolyte erosion, and improves the stability of high-voltage batteries.
3. Semiconductor manufacturing
Special fluorinated electronic gas precursor raw materials, used for synthesizing semiconductor etching and cleaning special gases;
Ion implantation process doping carrier, some devices are used as interface passivation layer, high bandgap dielectric film, to reduce contact resistance;
EUV extreme ultraviolet lithography optical component protective layer, lithium fluoride crystal is radiation resistant and has high deep ultraviolet transmittance, serving as a mirror protective film.
4. Photovoltaic cells
The interface modification layer of perovskite solar cells and crystalline silicon cells reduces carrier recombination, improves open circuit voltage and photoelectric conversion efficiency; Used for battery electronic contact layer to improve charge transfer performance.
5. Vacuum ultraviolet optical electronic components
Lithium fluoride single crystal has excellent transparency in deep ultraviolet and vacuum ultraviolet bands, and is used as an optical window, prism, and lens for ultraviolet detectors, spectrometers, lithography equipment. It belongs to the core optical crystal material for photoelectric detection and ultraviolet detection equipment.
6. Radiation detection and electronic dose devices
The core material of Thermoluminescence Dose Plate (TLD) is lithium fluoride crystal, which stores energy after being subjected to ionizing radiation and releases light signals upon heating. It is widely used for electron beam, X-ray, and gamma ray dose detection and is widely used in semiconductor irradiation process monitoring and space electron radiation detection.
7. Interface layer of third-generation semiconductor devices
GaN and SiC wide bandgap semiconductor devices use lithium fluoride thin films as interface modification and passivation layers to improve interface defects, reduce leakage, and enhance the reliability of power devices.
8. Insulation medium for special electronic components
High purity lithium fluoride film can be used as an insulation medium for small special devices, with high bandgap and high insulation properties, and is used as an insulation layer for some micro passive devices and vacuum electronic devices.
High purity lithium fluoride thermal evaporation is used to form nano ultra-thin films, which are placed between the cathode and the organic light-emitting layer to reduce the electron injection barrier, improve the luminous efficiency, reduce the driving voltage, and extend the service life of the panel. It is the core functional thin film material for OLED evaporation.
2. Lithium batteries and solid-state battery materials
Preparation of upstream raw materials for lithium hexafluorophosphate for the production of liquid lithium-ion battery electrolytes;
As an electrode interface modification material, it is used for lithium metal batteries and all solid state batteries to construct a stable SEI interface layer, prevent side reactions, and improve cycling stability;
Positive electrode coating additive, nano lithium fluoride coating layer protects the positive electrode, reduces electrolyte erosion, and improves the stability of high-voltage batteries.
3. Semiconductor manufacturing
Special fluorinated electronic gas precursor raw materials, used for synthesizing semiconductor etching and cleaning special gases;
Ion implantation process doping carrier, some devices are used as interface passivation layer, high bandgap dielectric film, to reduce contact resistance;
EUV extreme ultraviolet lithography optical component protective layer, lithium fluoride crystal is radiation resistant and has high deep ultraviolet transmittance, serving as a mirror protective film.
4. Photovoltaic cells
The interface modification layer of perovskite solar cells and crystalline silicon cells reduces carrier recombination, improves open circuit voltage and photoelectric conversion efficiency; Used for battery electronic contact layer to improve charge transfer performance.
5. Vacuum ultraviolet optical electronic components
Lithium fluoride single crystal has excellent transparency in deep ultraviolet and vacuum ultraviolet bands, and is used as an optical window, prism, and lens for ultraviolet detectors, spectrometers, lithography equipment. It belongs to the core optical crystal material for photoelectric detection and ultraviolet detection equipment.
6. Radiation detection and electronic dose devices
The core material of Thermoluminescence Dose Plate (TLD) is lithium fluoride crystal, which stores energy after being subjected to ionizing radiation and releases light signals upon heating. It is widely used for electron beam, X-ray, and gamma ray dose detection and is widely used in semiconductor irradiation process monitoring and space electron radiation detection.
7. Interface layer of third-generation semiconductor devices
GaN and SiC wide bandgap semiconductor devices use lithium fluoride thin films as interface modification and passivation layers to improve interface defects, reduce leakage, and enhance the reliability of power devices.
8. Insulation medium for special electronic components
High purity lithium fluoride film can be used as an insulation medium for small special devices, with high bandgap and high insulation properties, and is used as an insulation layer for some micro passive devices and vacuum electronic devices.
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