uah p 18017

Docket: UAH-P-18017

Technology

Quantum dots are a special type of solid nanoparticles that absorb or emit light at specific wavelengths due to their composition or size. Quantum dots have applications as fluorescent probes. They can also be used as coatings to enhance the absorption or emission response of opto-electrical devices. Several challenges are associated with methods to produce uniform and ultra-thin layers of quantum dot films as coatings on solids. In current practice, the quantum dots are disordered throughout the film, especially at nano-scales, and the films themselves are disordered over larger scales.

Researchers at UAH have developed a reliable method to produce uniform, well-ordered films of nanoparticles. The method is known as spontaneous self-assembly and requires no external forces. The quantum dots are suspended in a solvent and deposited as a floating film. With proper control of the deposition parameters, the nanoparticles self-assemble. The resulting monolayer of well-ordered nanoparticles is then coated on a solid surface.

The new technology developed at UAH allows for the construction of uniform, well-ordered nanoparticle films. It has significant advantages over current methods of production. Films are more uniform in character, allowing engineers to reach the goals of greater efficiency in coating processes and improved performance for a coated device.

Applications

  • Sensors
  • Solar cells
  • Transistors

Advantages

  • Self assembling
  • Uniform film

Status

  • State of Development: Demonstration
  • Licensing Status: Available for licensing
  • Patent Status: Proprietary