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Project TitleHigh-yield, Scalable Synthesis of Metal Sulfide Nanocrystals
Track Code6007
Short Description

A new method was developed to synthesize nanocrystals (NCs) that have broad applications in manufacturing light-emitting diodes, photovoltaic, semiconductor and thermoelectric devices, catalysts and fluorescent biological labels.

Abstract

Material Scientists at Cornell University have developed a new method to synthesize nanocrystals (NCs) that have broad applications in manufacturing light-emitting diodes, photovoltaic, semiconductor and thermoelectric devices, catalysts and fluorescent biological labels. This method is based on chemical reactions or material chemistry, requires simple setup and has an astonishing >90% conversion yield compared to <10% yield from current techniques in industry. This method also has scalability and reproducibility compared to current techniques, indicating higher batch yields that are important for semiconductor and photovoltaic components. Using this method a wide variety of monodisperse nanocrystals can be manufactured at temperatures <1000C, which helps in producing extremely size-stable NC (sub-5nm) semiconductor materials/quantum-dots.

 

Potential Applications:

Material for light-emitting diodes, photovoltaic devices, semiconductor devices, thermoelectrics, catalysts and fluorescent biological labels

 

Advantages:

  • >90% conversion yield
  • >30 gm in single synthesis vs. 200 mg via current techniques
  • Scalable and reproducible
  • Less expensive starting materials
  • Easier handling due to ingredient stability in air
  • Large variety of materials possible
 
Tagscatalysts, Biologicals, physical science, photovoltaics, nanotechnology, Nano-microparticles, materials, LEDs, chemicals, Industrial Nanofabrication, Semiconductors & Integrated Circuits, crystal structure, devices, semiconductor materials
 
Posted DateMar 26, 2013 10:14 AM

Researcher

Name
Richard Robinson
Haitao Zhang

Additional Information

Licensing Contact

Carolyn Theodore
cat42@cornell.edu
(607) 254-4514