XPQY-EQE LED Photoluminescence Quantum Yield Measurement System
Production information
LED Photoluminescence Quantum Yield (PLQY) and EQE Measurement System
XPQY-EQE
XPQY-EQE Photoluminescence Quantum Yield Measurement System, a compact design system, can measure the fluorescence quantum efficiency and external quantum efficiency of luminescent materials. When developing the new luminescent materials, improve the photoluminescence efficiency is the priority; therefore, researchers need precise and accurate technique for measureing quantum efficiency. The XPQY-EQE system consists of a stable excitation module, customized integrating sphere module, a high-performance spectrum measurement module, and professional system software which provide researchers a fast, accurate measurement solutions for liquid, thin films and powder samples.
Features
- Support electric sampling techinque to reduce the personal errors and enhance repeatability and reproducibility
- Compact design to reduce the impact of vibration on the optical path
- Adopt high reflectivity integrating sphere
- 0-100% power adjustable monochromatic multi-channel LED
- With back-illuminated TE-cooler detector, suitable for low-efficiency samples
- Customized test fixtures, suitable for thin film, liquid, powder and other luminescent materials
| Item | Description |
| Spectrum Range | a. 350-1000 nm b. QY wavelength : 350-750 nm c. PL wavelength : 350-750 nm d. Measurement time : less than 1 second e. Stability : less than 0.1% |
| Excitation Laser | a. 365 nm, 385 nm, 405 nm, 450 nm (Can choose two wavelength) b. Power adjustment range: 0-100% c. Light source stability : 0.5% (3 minutes after warm up ) |
| Integrating Sphere | a. 3.3”Labsphere Spectralon integrating sphere，with high Lambertian effect characteristics and anti-aging materials b. Reflectivity: 99% (400-1500 nm)；>96% (250 - 2000 nm)，traceable to NIST |
| Detector | a. High sensitive multi-channels CCD b. Back-illuminated TE-cooler detector, can be cooled to -20°C |
| Customized Sample Stage | a. Can be customized according to customers' samples b. Suitable for sample size: 15 mm2 - 1024 mm2 |
| Software | PLQY, PL, EQE, EL, I-V curve measurement, I-E curve measurement, current density, radiance, brightness, chromaticity value measurement, etc. |
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