Solar Cell Quantum Efficiency (QE) Testing System
- Measurement: External Quantum Efficiency (EQE) & Internal Quantum Efficiency (IQE) of solar cells.
- Spectral Range: 300–1800 nm with ±0.2 nm wavelength accuracy.
- Light Sources: AM1.5G Xenon & Halogen lamps with tandem cell bias light for perovskite/silicon testing.
- Monochromator: Dual grating system with <2 nm bandwidth and 0.7 × 5 mm minimum spot size.
- Detection: High-sensitivity Si & Ge photodetectors with integrating sphere for reflectance/transmittance measurement.
- Applications: Perovskite, silicon, and tandem solar cell performance characterization, spectral response analysis, and device optimization.
