Spire awarded patent for synthesizing quantum dot nanostructures

Solar Daily: Spire announced that it has been awarded United States Patent Number 7,306,963 entitled “Precision Synthesis of Quantum Dot Nanostructures for Fluorescent and Optoelectronic Devices.” This patent describes a method for designing and synthesizing quantum dot nanoparticles with improved uniformity and size.

These quantum dots have the potential to create new high efficiency, low-cost solar cells and other optoelectronic devices such as lasers, light emitting diodes (LEDs), and photodetectors. The extremely small size of these structures also makes them useful for medical assays, diagnostic systems, and therapeutic compounds. “Quantum dot technology represents an exciting field of research in solar energy today,” said Roger G. Little, Chairman and CEO of Spire Corporation.

…Quantum dots are nanometer-sized (about one 25-millionth of an inch) semiconductor structures which, when exposed to light at predetermined wavelengths, can generate free electrons and create an electrical current. The confinement of electrons in these minute three-dimensional structures gives scientists the ability to use quantum dots to precisely control the optical properties of various devices, such as a solar cell or a biomarker for detecting cancer…


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