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High Sensitivity NIR Quantum Efficiency Measurement System QE-5000

Detecting singlet oxygen (Reactive Oxygen Species(ROS))

 

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Product

Features
  • Enables measurements of 0.01% or smaller quantum yield to generate singlet oxygen
  • Enables direct, easy spectrum observations of singlet oxygen (1270 nm)
  • Enables measurements in aqueous solution for biochemical or biomedical fields
  • Enables measurements in non-deuterated solvents, previously difficult using conventional methods
  • Uses a liquid-nitrogen-free cooling detector
  • Allows fast measurement starts (only 10 minutes of prep)
  • Measures samples in liquid, powder, and various other forms

 

Applications
  • Measurements of singlet oxygen spectrum using photosensitizer
  • Evaluations of photosensitizers (e.g., ability to generate singlet oxygen)
  • Development of PDT reagents*
  • Evaluations of solar cell materials
  • Semiconductor purity evaluations

* PDT stands for photodynamic therapy, a cancer treatment method

Configuration

Specification
Detection unit
 Detecting wavelength  300~1,600nm
 Theoretical resolution per pixel 1.4nm(300-950nm) 1.9nm(900-1600nm)
 Number of pixel channels 512ch
 Detector Array sensor
 AD resolution 16bits
 Spectrometer optics Flat field type F = 3, f = 85.8 mm
Integrating sphere
 Material Spectralon
 Size   φ150 mm hemisphere (HalfMoon)
Xe excitation light source
 Light source    150 W Xenon lamp
   Excitation wavelength 250~800nm
   Band width FWHM5nm / Slit  0.6mm
   Protection from excitation light Automatic shutter
Second-order light cutoff filter
   Control  Automatic
Laser excitation light source (optional)
 Wavelength  532nm / 808nm / 980nm / etc(※1)
 Power  1~500mW(※1)

※1  More wavelengths can be added on request. Please contact us for more information.

 

Configuration

Configuration

Measured Data

Allows measurements of singlet oxygen spectrum in aqueous solution

Allows measurements of singlet oxygen spectrum in aqueous solution

 

Allows high sensitivity measurements of 0.01% or smaller quantum yields

Allows high sensitivity measurements of 0.01% or smaller quantum yields

 

Allows easy measurements of singlet oxygen in non-deuterated solvents

Allows easy measurements of singlet oxygen in non-deuterated solvents

 

Related Information

Related Product

Quantum Efficiency Measurement System QE-2000

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