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    QE-R IPCE Measurement

    • The QE-R Quantum Efficiency System is a PV cell tester that can provide accurate and rapid data on a cell’s EQE, IPCE, IQE, and spectral response.
    • Due to the high repeatability and accuracy of the QE-R Quantum Efficiency System, metrology engineers also use it to perform spectral mismatch calculations and uncertainty evaluations of PV conversion efficiency.
    • The QE-R Quantum Efficiency System has been adopted by over 500 outstanding PV research laboratories and has been mentioned in over 1,000 SCI papers in the past 10 years, including many flagship journals like Nature, Science, Joule, and Advanced Materials, among others.
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    Overview

    • The QE-R Quantum Efficiency System is a PV cell tester that can provide accurate and rapid data on a cell’s EQE, IPCE, IQE, and spectral response.
    • Due to the high repeatability and accuracy of the QE-R Quantum Efficiency System, metrology engineers also use it to perform spectral mismatch calculations and uncertainty evaluations of PV conversion efficiency.
    • The QE-R Quantum Efficiency System has been adopted by over 500 outstanding PV research laboratories and has been mentioned in over 1,000 SCI papers in the past 10 years, including many flagship journals like Nature, Science, Joule, and Advanced Materials, among others.

    Key Features

    • Compact and Flexible.
    • wavelength range: 300 ~ 1100 nm; 300~1800 nm; 300 ~ 2500 nm or customized.
    • Provides data in QE (quantum efficiency), PV-EQE (external quantum efficiency), IPCE (incident photon-to-electron conversion efficiency), SR (spectral response), IQE (internal quantum efficiency), Reflectance.
    • Compact and High Repeatability over 99.5%.
    • Two independent lock-in amplifiers (each one is dual-phase) which monitor the optical power and measure the device signal simultaneously.
    • Exclusive integrated computer-controlled signal switch can reduce costs for maintenance.
    • and consumables.
    • Exclusive glovebox integration capability.
    • NIST-traceable SI traceable chain.
    • Various and customized sample test fixtures.

    Specification

     

    Model QE-R
    Lamp Wavelength Range 300nm~2500nm
    Measuring Wavelength Range 300nm~1100nm
    300nm~1800nm
    300nm~2500nm
    Beam Spot Area 1 x 1 mm²
    Effective Working Distance > 10 cm
    DSP Lock-in Amplifier Two sets of dual-phase lock-in amplifiers
    Software a. Absolute light intensity calibration
    b. SR, EQE measuring
    c. Auto in-situ Jsc(EQE) calculation
    d. Auto Jsc(EQE) calculation at each wavelength
    e. IQE calculation
    f. Bandgap analysis
    g. Data collecting and analyzing
    h. Mismatch factor (MMF) calculation
    i. Signal monitoring function
    j. txt data format
    Signal Oscilloscope Oscilloscope display
    Dark box 600mm x 600mm x 607mm

    Applications

    • Perovskite Solar Cell (PSC) Test.
    • Organic Solar Cell (OSC, OPV) Test.
    • Tandem/Multi-junction Solar Cell Test.
    • Solar cell characterization.
    • Bulk-Heterojunction phase separation study.
    • Mismatch Factor (MMF) calculation.
    • Short-circuit current density under AM spectrum Jsc(QE) Processing control.

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