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Sciencetech PTS-2-IQE Quantum Efficiency/IPCE System with EQE/IQE

SKU #175-9008
Quantum Efficiency Measurement capabilities. Solar cell testing with Spectral Response (SR) scanning range of 250 - 2500 nm, external and internal quantum efficiency testing features.
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Part Number
175-9008

Features

  • Spectral range 250-2500 nm
  • 150W Xenon Arc Lamp
  • Keithley 2400 source meter
  • Stanford SR810 lock-in amplifier
  • Light tight sample chamber
  • User selectable bias voltage
  • Manually controlled shutter (upgradable)
  • SciPV software for full control of the system

Applications

  • Photovoltaic Solar Cell Testing
  • IV Characterization
  • Spectral Response
  • External Quantum Efficiency-IPCE
  • Internal Quantum Efficiency (PTS2-IQE Model)
  • Photoconductivity Measurement
  • Reflectance measurements capability (upgradable for transmission measurements)

Summary

Sciencetech PTS-2 system conducts SR, EQE, IQE and IV measurements with user friendly software. The system includes a main xenon arc lamp (optional QTH lamp) , monochromator with automated order sorting filters, a steady-state solar simulator Class AAA bias light source, measurement electronics, computer, and software required to measure solar cell characteristics. The system provides users with a light tight sample chamber for all measurements. Shielded and light tight test area enclosure has convenient removable cover allowing access from top, front and sides.

Included Measurements

  • Current-Voltage (I-V) Testing. VOC , ISC, Rshunt, Pmax, efficiency %, and fill factor
  • Spectral Response (SR): 250-2500nm range
  • External Quantum Efficiency (EQE) | (IPCE)
  • Internal Quantum Efficiency (IQE Test)
  • Reflectance and transmittance measurements

Optional Upgrades

  • Constant Photocurrent method (CPM)
  • Dual-Beam Photocurrent (DBM)
  • Photothermal Deflection Spectroscopy (PDS)
  • Steady-State Photoconductivity (SSPC)
  • Temperature Control
  • DC measurement

External Quantum Efficiency (EQE | IPCE)

Defined as the ratio of the number of carriers generated and collected by the solar cell to the number of photons of an incident beam without considering the losses due to reflection, transmission, or absorption from the sample.

Internal Quantum Efficiency (IQE)

A calculation of the QE with consideration of the losses at the sample, i.e., the ratio of the number of carriers generated and collected by the solar cell to the number of photons that are truly converted by the solar cell.

Quantum Efficiency Measurement Standards

For Quantum Efficiency Measurements of Solar Cell Testing and Characterization

All Sciencetech systems incorporate adherence to industry standards. Sciencetech PV Testing System equipment are designed and manufactured according to:

  • ASTM E 1021-15: Standard Test Method for Spectral Responsivity Measurements of Photovoltaic Devices
  • ASTM E948-09: Standard Test Method for Electrical Performance of Photovoltaic Cells Using Reference Cells Under Simulated Sunlight
  • IEC 60904-8: Measurement of spectral responsivity of a photovoltaic (PV) device
  • IEC 60904-1: Measurement of photovoltaic current-voltage characteristics
  • Test cell included for verification (SCI-REF-NL). SCIENCETECH include a complete Quality Control Report including test results (Calibration, Spectral response, quantum efficiency and IV measurements)
Components of the Quantum Efficiency Measurement System

The system includes all required high quality Instruments to perform these measurements:

  • Tuneable Light Source monochromator based (250-2500nm). Motorized triple grating turret system. Czerny-Turner design with adjustable band pass 0.2-24nm
  • Bias Light Source. Solar Simulator AAA (ASTM E927). AM1.5G Filter
  • Keithley 2400 series source meter
  • Stanford Lock-in amplifier SR800
  • Optical Chopper system: frequencies between 4-200Hz
  • Integrating sphere for IQE
  • Power supply controlled by Programmable Logical Control (PLC)
  • Manually controlled shutter
  • A computer with a modern user friendly Software required to measure solar cell characteristics
  • Light-tight measurement chamber

The PTS systems come with a light-tight sample chamber to perform measurements in optical isolation. This shielded and light-tight test area enclosure has a convenient removable cover allowing access from the top, front and sides.

More Information
Manufacturer Sciencetech
Product Series Sciencetech Quantum Efficiency Measurement System
Product Type Quantum Efficiency Measurement Systems
Size / Operation Benchtop
Industry Aerospace and Defence, Medical, Photonics, Research
Applications IV Characterization, Photovoltaic Testing, Spectral Response, External and Internal Quantum Efficiency
Standard Package Contains
Warranty Notes AusOptic Genuine Product Guarantee
Authorised distributor, benefit from manufacturer-backed, local warranty coverage, genuine parts, and our experienced local support team
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