This NSF SBIR Phase I project is to develop a series of optical edge and band-pass thin film filters using semiconductor nano-crystals and noble metal nano-rod as the absorption materials. The nanocrystal-based thin film filters would rely for their operation on the unique feature, size dependent… More

Nuclear Physics research has a need for next generation scintillation detectors with high response rates, improved sensitivity, and low production cost. Inorganic scintillators have high output efficiency, but rely on the growth of bulk crystal ¿ a challenging task for most inorganic materials. … More

DESCRIPTION (provided by applicant): Fluorescence-based multiplexed detection and spectroscopy is finding more and more applications in analytical chemistry, molecular biology, and medical diagnostics. For example, rapid advance in genomics and proteomics research has elucidated the availability of… More

This Small Business Innovation Research (SBIR) Phase I project aims to develop a new type of bright and stable nanophosphors for light emitting diode (LED) applications. Polymeric LED (PLED) has the superior imaging performance, compact, lightweight properties, and versatile and cost-effective… More

This Small Business Innovation Research (SBIR) Phase I project will develop highly bright and stable lanthanide doped semiconductor nanocrystals as Time-Resolved Fluorescence (TRF) imaging agents. Lanthanide chelates have exceptionally long fluorescence lifetimes, and thus are used as fluorescent… More

This Small Business Innovation Research (SBIR) Phase I project will develop highly bright and stable doped nanocrystal/polymer nanocomposite thin film as light up-converting medium for infrared light visualization applications. Upconversion of higher energy light from lower energy radiation are… More

There is immediate need for a new generation of scintillation materials for nuclear physics research, high-energy radiation (x- and gamma-rays) screening/imaging, and passive detection of nuclear materials with improved quality and low production cost. Inorganic scintillators have high output… More

DESCRIPTION (provided by applicant): Semiconductor nanocrystals (quantum dots), specifically CdS, CdSe and CdTe, etc, have been extensively studied in the past two decades, leading to their integration in light emitting diodes (LEDs), solar cell, and bio-i maging/labeling. Although efficient… More

The rapid proliferation of infrared lasers in armed services generates an immediate need for new infrared detectors with high sensitivity, selectivity, resolution, and low production cost. Currently used semiconductor-based infrared detectors have low quantum efficiency, high dark counts, and need… More

This Small Business Innovation Research Phase I project will develop cadmium (Cd)-free semiconductor nanocrystal (quantum dot)-polymer nanocomposite light emitting diodes (LEDs) that are compact and lightweight and have superior imaging performance and long lifetimes. Polymeric LEDs (PLEDs) provide… More