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By Cathy | 08 April 2024 | 0 Comments

What Are the Applications of Zinc Sulfide Target in Optoelectronics and Biomedicine?

Zinc sulfide (ZnS) targets, with their unique physical and chemical properties, which play a vital role in several high-tech fields.

Physical and Chemical Properties of Zinc Sulfide

Crystal structure
· Cubic and Hexagonal Crystal Systems: Zinc sulfide can exist in two crystal structures, cubic (sphalerite) and hexagonal (feldspar). The choice between these two structures depends on the preparation conditions, such as temperature, pressure, and the technique used for growth.
· Influence of crystal quality on optoelectronic properties: The integrity and purity of the crystal structure directly affects the optoelectronic properties of zinc sulfide, and a high quality crystal structure contributes to the performance of the optoelectronic device.

Optical Properties
· High Refractive Index and Wide Bandgap: Zinc sulfide has a high refractive index and wide bandgap (~3.68 eV), which makes it an excellent optical material for applications in the UV to visible range.
· Application Impact: These properties make zinc sulfide ideal for light emitting diodes (LEDs), laser diodes and photodetectors.
ZnS
Electrical Properties
· High Electron Mobility: Zinc sulfide has a high electron mobility, which is critical for the high-speed operation of electronic and optoelectronic devices.
· Semiconductor Properties: As a Group II-VI semiconductor, these electrical properties of Zinc Sulfide allow for a wide range of applications in sensors, solar cells, and various microelectronic devices.

 

Zinc Sulfide Target Application Areas

Optoelectronics industry
Photodetectors
Role of Zinc Sulfide: Due to its wide bandgap characteristics, Zinc Sulfide is able to provide high sensitivity in the ultraviolet region, making it suitable for use in ultraviolet photodetectors.
Application example: Zinc sulfide-based UV detectors for military reconnaissance, flame detection, and high-precision UV spectral analysis.

Light Emitting Diodes (LEDs)
Role of zinc sulfide: Using its wide bandgap, zinc sulfide acts as an active layer in blue and UV LEDs, enhancing the performance of the LEDs.
Application examples: Blue and UV LEDs in lighting, display technology and medical sterilization.

Display technology
Flat panel displays
The role of zinc sulfide: As a light-emitting layer in electronic display panels, the excellent optical properties of zinc sulfide enable flat panel displays to offer sharper colors and higher resolution.
Application example: In OLED and LCD technology, zinc sulfide is used to improve display quality and energy efficiency ratio.

Projection systems
Role of zinc sulfide: Zinc sulfide is used as a light-emitting or reflecting material in projection systems, enhancing projection brightness and image quality through its high refractive index and wide bandgap properties.
Application example: The use of zinc sulfide in advanced projection technologies such as DLP (Digital Light Processing) and LCD projectors.

Solar Industry
Buffer layer material for solar cells
Role of zinc sulfide: As a buffer layer in thin-film solar cells, zinc sulfide improves the cell's absorption of sunlight and conversion efficiency through its wide band gap.
Application example: Zinc sulfide is used as a buffer layer in CIGS (copper indium gallium selenide) and CdTe (cadmium telluride) thin-film solar cells to enhance cell performance.
ZnS
Biomedical field
Biomarkers
Role of Zinc Sulfide: The optical properties of zinc sulfide make it an ideal biofluorescent labeling material for cell imaging and disease diagnosis.
Application example: Use of zinc sulfide-based fluorescent markers in cancer detection and molecular imaging.

Drug Delivery Systems
Role of Zinc Sulfide: Zinc sulfide nanoparticles have been investigated as drug delivery carriers, utilizing their surface modifiability and biocompatibility for targeted drug delivery.
Application example: Zinc sulfide nanoparticles have been used in cancer therapy to achieve efficient and precise drug delivery.
 

High-quality ZnS Powder Supplier
TRUNNANO is a trusted global chemical materials supplier and manufacturer with over 12 years of experience in ultra-high quality zinc sulfide and other chemicals. The company develops a variety of powder materials and chemicals. Provide OEM services. If you are looking for ZnS powder, please contact us.
 

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