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Quantaurus-QY

Photonics.com
Nov 2010
Hamamatsu CorporationRequest Info
 
BRIDGEWATER, N.J., Nov. 22, 2010 — Hamamatsu Corp.’s Quantaurus-QY is a compact, integrated solution for quickly and easily measuring the quantum yield and other properties of photoluminescent materials. It measures fluorescent probes, dye-sensitized photovoltaic materials, LED phosphor, organic metal complexes, organic LED materials and quantum dots.

The device performs absolute (not relative) measurements quickly, without the need to prepare reference samples. It can be used to analyze thin films, powders, solids and solutions.

Contained within the compact package is everything needed to capture instantaneous measurements with high sensitivity. This includes an excitation light source (xenon lamp and monochromator), an integrating sphere with optional nitrogen gas flow and a high-sensitivity CCD sensor.

The system also includes dedicated software for selecting excitation wavelengths and making a variety of measurements and analyses, including photoluminescence quantum yield measurement, excitation wavelength dependence, photoluminescence spectrum and photoluminescence excitation spectrum.

Two models are available. The standard C11347-01 covers wavelengths from 300 to 950 nm, and the near-infrared C11347-02 covers 400- to 1100-nm wavelengths.


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GLOSSARY
integrating sphere
A hollow sphere coated internally with a white diffusing material and provided with openings for incident beam, specimen and detector used for measuring the diffuse reflectance or transmittance of objects.  
monochromator
Also known as monochromatic illuminator. An instrument for isolating narrow portions of the spectrum. The spectrum of any light source is formed by a prism or grating, and an exit slit placed in the spectrum selects a narrow band of wavelengths for emission. By moving the spectrum of a source internally past the slit, the color of the emitted light can be varied at will. As most monochromators emit several percentages of unwanted light -- either white or of the wrong wavelength -- along with...
quantum dots
Also known as QDs. Nanocrystals of semiconductor materials that fluoresce when excited by external light sources, primarily in narrow visible and near-infrared regions; they are commonly used as alternatives to organic dyes.  
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