Overview of Cadmium Selenide (CdSe) Powder
Cadmium selenide (CdSe), a semiconducting material, has emerged as a key component in various technological applications. Its unique optical and electronic properties make it a valuable material for use in optoelectronic devices. CdSe powder, with its high purity and well-defined characteristics, is essential for ensuring the performance and reliability of these devices.
Characteristics of Cadmium Selenide (CdSe) Powder
Semiconducting Properties: CdSe exhibits semiconducting behavior, allowing it to conduct electricity with intermediate efficiency between metals and insulators.
Optical Transparency: The material is optically transparent in the visible spectrum, making it suitable for use in transparent electrodes and photovoltaic cells.
Tunable Bandgap: CdSe's bandgap energy can be tuned through controlled doping, allowing for customization of its optical and electronic properties.
High Photoluminescence Efficiency: CdSe powder exhibits strong photoluminescence, making it a promising material for optical emitters and sensors.
Excellent Stability: The material offers good chemical stability, resisting degradation even under harsh conditions.
Application of Cadmium Selenide (CdSe) Powder
Photovoltaics: CdSe is a key component in thin-film solar cells, where it converts sunlight into electricity efficiently.
Photovoltaics
LEDs and Lasers: Its tunable bandgap and strong photoluminescence make CdSe powder suitable for use in LEDs and lasers.
LEDs and Lasers
Photodetectors: CdSe's sensitivity to light allows it to be used in photodetectors for imaging and spectroscopy applications.
Photodetectors
Optical Waveguides: The material's transparency and refractive index make it useful in optical waveguides for signal transmission.
Optical Waveguides
Quantum Dot Technology: CdSe quantum dots are employed in displays, biosensors, and solar cells for their unique optical properties.
Quantum Dot Technology
Company Profile
NANOTRUN(www.rboschco.com) is a trusted global chemical material supplier & manufacturer with over 12-year-experience in providing super high-quality chemicals and nanomaterials, including boride powder, nitride powder, graphite powder, sulfide powder, 3D printing powder, etc.
The company has a professional technical department and Quality Supervision Department, a well-equipped laboratory, and equipped with advanced testing equipment and after-sales customer service center.
If you are looking for high-quality Cadmium Selenide (CdSe) Powder, please feel free to contact us or click on the needed products to send an inquiry.
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FAQ
Q1:
What are the safety considerations when handling CdSe powder?
Re: Handling CdSe powder requires strict safety measures due to its potential toxicity. It's essential to wear protective gear, including gloves, goggles, and a lab coat. The powder should be stored in a well-ventilated, dry, and dark area to prevent decomposition.
Q2:
How is CdSe powder typically synthesized?
Re: CdSe powder is typically synthesized using chemical methods such as precipitation or solvothermal methods. These processes involve the controlled reaction of cadmium and selenium precursors under specific temperature and pressure conditions.
Q3:
What are the primary challenges in using CdSe powder?
Re: One of the primary challenges in using CdSe powder is its toxicity, which requires strict safety measures during handling and disposal. Additionally, CdSe's instability in certain environments can lead to degradation and loss of performance.
Q4:
How does CdSe powder compare to other semiconducting materials?
Re: CdSe powder offers unique optical and electronic properties compared to other semiconducting materials. Its tunable bandgap and high photoluminescence efficiency make it particularly suitable for optoelectronic applications. However, it lags behind some other materials in terms of stability and cost-efficiency.
Q5:
What are the recycling options for CdSe powder?
Re: Recycling CdSe powder is challenging due to its toxicity and the need for specialized processing. However, some recycling options exist, including reprocessing waste materials and recovering CdSe through chemical methods. These processes aim to reduce waste and minimize the environmental impact of CdSe use.
Cadmium Selenide Properties | |
Other Names | cadmium(II) selenide, selanylidenecadmium, cadmium(2+) selenide, Cadmium monoselenide, CdSe powder |
CAS No. | 1306-24-7 |
Compound Formula | CdSe |
Molecular Weight | 191.37 |
Appearance | Gray or Brown Powder |
Melting Point | 1268 ℃ |
Boiling Point | N/A |
Density | 5.81 g/cm3 |
Solubility in H2O | N/A |
Exact Mass | 193.81988 |
Cadmium Selenide Health & Safety Information | |
Signal Word | Danger |
Hazard Statements | H301-H331-H373-H410 |
Hazard Codes | T, N |
Risk Codes | 21-23/25-33-50/53 |
Safety Statements | 36/37-45-60-61 |
Transport Information | UN 2570 6.1/PG 3 |