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This section provides an overview for quantum dots as well as their applications and principles. Also, please take a look at the list of 5 quantum dots manufacturers and their company rankings. Here are the top-ranked quantum dots companies as of January, 2025: 1.Nano Research Elements Inc., 2.Quantum Nanotech, 3.Nanoco Technologies Limited.
Table of Contents
A quantum dot is a tiny semiconductor used in nanotechnology, particularly in optical devices such as displays and televisions. Ranging from a few to several tens of nanometers, this nanostructure is typically cube or spherical in shape and made using semiconductor materials.
Quantum dots can absorb or emit light across a broader spectrum than traditional semiconductors, allowing for control of light and leading to the development of high-performance optoelectronic devices. Their size can be fine-tuned to modify electron and photon behavior, which in turn affects emission color and characteristics.
Quantum dots have diverse applications, including:
Used in high-performance optical devices, quantum dots offer superior light-emitting properties, suitable for lasers, LEDs, and other light-emitting applications.
Quantum dots enhance solar cell efficiency by absorbing a wider range of wavelengths, converting solar energy more effectively.
Quantum dot displays provide high brightness and contrast, with superior color reproduction compared to conventional LCDs.
In biomedical imaging, fluorescent quantum dots offer high sensitivity and longevity, useful for cell and tissue observation within living organisms.
Quantum dots operate based on quantum mechanics. Their small size allows for quantum control of electron and photon behavior, enabling the tuning of emission colors by adjusting quantum dot sizes.
The energy within quantum dots is confined to specific levels, making them highly sensitive to certain wavelengths. This characteristic is advantageous for light-sensitive devices.
Quantum dots are classified based on their composition:
Made without cadmium, these are environmentally safer and used in optoelectronics and bioimaging.
These include cadmium as a primary component and exhibit high luminescent efficiency but pose environmental and health concerns due to cadmium's toxicity.
*Including some distributors, etc.
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Nano Research Elements Inc., founded in, Haryana, India is a manufacturer of nanomaterials that navigate the Periodic Table including gold, silver, and iron oxide. The company's product portfolio includes nanowires, nanopowders and nanoparticle dispersions, magnetic nanopowders, nanoparticles and quantum dots. Their products are used in industries such as Food and Beverage, Pharmaceutical and Biotechnology, Chemical and Petrochemical, Environmental Testing and electronics. The company also offers services such as R&D services, customer support and custom projects.
Ranking as of January 2025
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | Nano Research Elements Inc. |
30.3%
|
| 2 | Quantum Nanotech |
18.9%
|
| 3 | Nanoco Technologies Limited |
18.9%
|
| 4 | XTPL |
17.2%
|
| 5 | QustomDot BV |
14.8%
|
Derivation Method
The ranking is calculated based on the click share within the quantum dots page as of January 2025. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.Number of Employees
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QD Laser Co., Ltd.
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■Summary We custom manufacture quantum dot lasers, which have excellent temperature characteristics and resistance to reflected light and are ideal...
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