Overview of Cadmium Telluride Powder CdTe
Cadmium Telluride Powder (CdTe) is a binary compound powder composed of cadmium (Cadmium) and tellurium elements. It belongs to semiconductor materials and has a tunable bandgap, making it excellent in optoelectronic devices. CdTe powder occupies an important position in the field of solar cells due to its efficient photoelectric conversion ability and excellent absorption characteristics. Through specific preparation processes, CdTe powder can form high-quality thin films that can generate current under light, thereby converting solar energy into electricity. In addition, CdTe powder has also received widespread attention due to its high stability, low cost, and ease of large-scale production. In the fields of renewable energy and optoelectronics, the application prospects of CdTe powder are broad, providing strong support for the sustainable development of modern society.
Features of Cadmium Telluride Powder CdTe
Efficient photoelectric conversion: CdTe powder has excellent photoelectric conversion efficiency, which can efficiently convert light energy into electrical energy and is suitable for photovoltaic devices such as solar cells.
Adjustable bandgap: The bandgap of CdTe powder can be adjusted by adjusting its composition and preparation process, thereby optimizing its application performance in different spectral ranges.
High absorption coefficient: CdTe powder has a high absorption coefficient and can absorb most of the photons in sunlight, improving the photoelectric conversion efficiency of solar cells.
Good stability: CdTe powder has good thermal and chemical stability, and can maintain stable performance under harsh environmental conditions.
Low cost: Compared to silicon-based solar cells, the production cost of CdTe solar cells is relatively low, which helps promote their commercial application.
Environmental considerations: Although the cadmium element in CdTe powder has a certain impact on the environment, optimizing the preparation process and recycling can reduce the negative impact on the environment.
Application of Cadmium Telluride Powder CdTe
Solar cells: CdTe powder is one of the main materials for solar cells, used to manufacture efficient and low-cost solar panels.
Application of Cadmium Telluride Powder CdTe
Photodetectors: With its excellent photoelectric conversion performance, CdTe powder can be used to manufacture photodetectors for light signal detection and imaging.
Optoelectronic devices: CdTe powder can also be used to manufacture other optoelectronic devices, such as photoresistors, photodiodes, etc.
Thermoelectric devices: Due to its good thermal stability and high electron mobility, CdTe powder can also be used to manufacture thermoelectric devices, such as thermocouples and thermoelectric stacks.
Radiation detector: CdTe powder has good detection performance for X-rays and gamma rays, and can be used to manufacture radiation detectors.
Application of Cadmium Telluride Powder CdTe
Photovoltaic system: CdTe powder can also be used to build large-scale photovoltaic systems, providing efficient and low-cost solutions for the renewable energy field.
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Q1
What is the product overview of Cadmium Telluride Powder (CdTe)?
Answer: CdTe Powder is a semiconducting material that has found widespread use in photovoltaic applications due to its efficient conversion of sunlight into electricity. It offers a cost-effective alternative to other solar cell materials, thanks to its tunable bandgap and high absorption coefficient.
Q2
What are the key performance characteristics of CdTe Powder?
Answer: CdTe Powder boasts excellent photovoltaic performance with high photoelectric conversion efficiency, making it an ideal material for solar cells. Its tunable bandgap allows for optimization of solar spectra, and its high absorption coefficient ensures maximum sunlight utilization.
Q3
What are the physical properties of Cadmium Telluride Powder (CdTe)?
Answer: CdTe Powder exhibits a direct bandgap, high absorption coefficient, and tunable optical properties. It crystallizes in a tetragonal structure, leading to high electron mobility and stability. These properties make CdTe a suitable material for a wide range of optoelectronic applications.
Q4
What is the crystal structure of CdTe Powder?
Answer: The crystal structure of CdTe Powder is tetragonal, with alternating layers of cadmium and tellurium atoms. This structure results in unique electronic and optical properties that contribute to its efficient photovoltaic performance and stability.
Q5
How does surface activity affect the performance of CdTe Powder?
Answer: Surface activity plays a crucial role in the performance of CdTe Powder. Surface defects, impurities, and adsorbed species can significantly impact its optoelectronic properties. Surface passivation techniques are often employed to minimize surface activity and enhance the stability and efficiency of CdTe-based devices.
Cadmium Telluride Properties | |
Other Names | cadium monotelluride, tellanylidenecadimium, telluroxocadmium, CdTe powder |
CAS No. | 1306-25-8 |
Compound Formula | CdTe |
Molecular Weight | 240.01 |
Appearance | Gray Black Powder |
Melting Point | 1090 ℃ |
Boiling Point | 1130 ℃ |
Density | 5.9 g/cm3 |
Solubility in H2O | N/A |
Poisson's Ratio | 0.41 |
Specific Heat | 210 J/kg-K |
Thermal Conductivity | 5.0 W/m-K |
Thermal Expansion | 5.9 µm/m-K |
Young's Modulus | 45 GPa |
Exact Mass | 243.81 |
Molybdenum Telluride Health & Safety Information | |
Signal Word | Warning |
Hazard Statements | H302-H312-H332-H410 |
Hazard Codes | Xn,N |
Risk Codes | 20/21/22-50/53 |
Safety Statements | 60-61 |
Transport Information | UN 2570 6.1/PG 3 |