As a wide band gap semiconductor material, zinc oxide (ZnO) quantum has been extensively studied because of its many attractive characteristics. The properties of zinc oxide quantum dots are not only sensitive to size, but also sensitive to shape and surface effects. Alfa Chemistry can provide ZnO quantum dots as well as product solutions to help customers improve the performance of quantum dots. The company has a professional service team and advanced equipment to bring you reliable service.
Background
As an n-type semiconductor material with wide band gap (~3.3 eV) and high exciton binding energy (60 meV), ZnO quantum dots generally have two crystal structures of wurtzite and sphalerite, among which the hexagonal wurtzite structure is the most Stable, one Zn atom and four O atoms are arranged in the form of a regular tetrahedron in its crystal structure. ZnO quantum dots have become one of the research hotspots of researchers due to their unique optical and electrical properties, non-toxicity, and high redox potential.
Zinc oxide quantum dots have two typical fluorescence emission peaks: the ultraviolet emission peak at 340-380 nm and the visible light emission peak at 500-600 nm. Generally, the fluorescence intensity depends on the specific surface area and surface state of the quantum dots. The fluorescence wavelength depends on the particle size, structure and surface state. The fluorescence lifetime mainly depends on the ambient temperature and the way of emitting light. Because zinc oxide quantum dots have a small particle size, a large specific surface area, and many surface defects, the visible fluorescence produced by surface defects is usually much stronger than its ultraviolet fluorescence.
Services
Alfa Chemistry provides a variety of quantum dot product services, including quantum dot design, optimization, product solutions and product testing services. We are proud of our ability to meet customer requirements.
- Custom ZnO Quantum Dots
- Product Solutions
- Testing Services
We understand the needs of our customers and aim to provide fast and efficient quantum dot services. When the project started, our research team and the project leader worked together to provide an accurate and efficient product plan as soon as possible. During the project, we will keep in touch with the customer to update the progress of the project. After the project is completed, we provide customers with a summary report of quantum dot products, a full set of experimental methods, procedures and analysis data.
Service principle
Alfa Chemistry will always stick to the target of high quality, good faith, unique brand and long-term development.
The company philosophy is that customer demand is the direction of our struggle.
Advantages of our services
- The national technology platform and an excellent team of experts.
- High-quality services and products at competitive prices.
- Timely report on project progress.
- Convenient and efficient transportation service.
Our clients have direct access to our staff and prompt feedback.
Why choose us?
As a professional quantum dot service platform, Alfa Chemistry has the most professional technology and means to develop the most reasonable material optimization strategies for customers in order to provide you with:
- Ensure the reliable operation of quantum dots and meet the authentication requirements.
- Product solutions modified according to requirements.
We will be glad to discuss details of intended interaction studies with you and develop experimental strategies/methods tailored to your requirement.
Our customer service representatives are enthusiastic and trustworthy 24 hours a day, Monday to Friday.
Please do not hesitate to contact us for more information or to discuss in detail, if you are interested in our services.
* It should be noted that our service is only used for research, not for clinical use.
