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Transnational Access Activity/Installation
TA2. Material synthesis and ink formulation

Equipment: LQ-100X

Technique:ELQE (Electroluminescence quantum efficiency) and PLQY (Photoluminescence quantum yield) measurements

Description:

The LQ-100X system is capable of ELQE (Electroluminescence quantum efficiency) and PLQY (Photoluminescence quantum yield) measurements. It is equipped with an integrating sphere, a multichannel spectrometer, high sensitivity single-photon PMT (Photomultiplier tubes), an excitation light source and a controller for absolute PLQY measurements. LQ-100 provides high flexibility for research purposed luminance quantum efficiency measurement, which covers high dynamic luminance range or low brightness. The spectrometer covers 350 ~ 1100 nm, including LEDs at near-ultraviolet, visible & near- infrared. The LASER provides stable & power-controllable output to fulfill PLQY measurements. The measurement software supports all luminance quantum efficiency & characteristic parameters such as luminous flux, quantum efficiency, luminous intensity, luminance, color coordinate, LIV scan, light decay records, etc.

Specifications:

  • 100 mm PTFE integrating sphere
  • Multichannel Spectrometer H-sCMOS 2048 (2048 pixels, pitch: 14×200μm, Sensitivity: 1300 V/lx.s, QE: 74% at peak, S/N: 600:1, Dynamic range: 5000, Wavelength range 350-1100 nm, Resolution: 0.35-1 nm, Sensitivity: <0.1 cd/m
  • Laser light source (Power 50 mW, Power adjustment range: 10%-100%,
  • Wavelength: 405nm)
  • PL measurements of thin films and
  • EL spectrum testing module for devices (Output: Lumens, Luminous intensity cd, Luminance cd/m2, Color CIE coordinates, Correlated color temperature, Peak Wavelength Wp, Color purity %, Efficiency Lum/W, LIV scan curve, Lifetime measurements).