CEP-M1000

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CEP-M1000     Solar Cell Module Spectral Response Measurement System          

 

The CEP-M1000 has been designed to irradiate solar cells with
monochromatic light of constant energy and constant photons without
wavelength dependence, and measures the spectral response and quantum
efficiency of various solar cells. The CEP-M1000 was developed under the
technical guidance of the National Institute of Advanced Industrial Science
and Technology for the purpose of evaluating the spectral response of
solar cell modules. It targets crystalline and thin-film single-junction solar
cells and multi-junction solar cells. It is possible to measure the spectral
sensitivity of a solar cell module with a maximum size of 1.7 x 1.2 x 0.1M.

 

 

Catalog（PDF）

 

The photo shows the CEP-M1000 perform the spectral response measurement.

 

The photo shows the cell under measurement.

 

 

Measurement data

The above is External quantum efficiency (EQE) measurement data of multi-junction solar cells measured with the model CEP-M1000.

 

 

 

Feature

 

 

Spectral response measurement by constant energy irradiation

 

  • The light intensity is adjusted with a continuos density variable ND filter,and constant energy light without wavelength characteristics is irradiated. The spectral response of the sample can be calculated from the irradiation light intensity and the measured photocurrent. The same measurement can be performed performed under white light or color bias light. Bias voltage can be set.

 

Measurement of quantum effciency by constant photon irrdiation

 

  • The light intensity is adjusted with a continuous density variable ND filter,and constant photon light is irradiated. The quantum effciency of the sample can be calculated from the irradiation light intensity and the measured photocurrent. The same measurement can be performed under white light or color bias light. The bias voltage can be set.

 

 

Solar cell characteristics and I-V chraccteristics measurement

 

  • The cell characteristics can be measured with white bias light.

 

Solar spectrum calculation(IEC 60904-3)

 

  • The short-circuit current density can be calculated from the integration of the solar spectrum and quantum effciency.

 

 

Specifications

 

 Mesurement  Spectral response,quantum efficiency,I-V curve
 Wavelength range  300～1200nm
 Light source for monochromatic light  Xe lamp
 lrrdiation area for monochromatic light  20×20mm（can be expended to 50×50mm as an option）
 Wavelength purity  Variable,Max 20nm
 lrrdiation intensity  5～50μW/cm2 or more（Wavelength 350～1200nm）
 Positional non-uniformity  Within ±2.5%
 Constancy of wavelenth intensity  Within ±3%
 Irradiation mode  Constant energy and constant photon
 Meaurement mode  DC and AC（13～100Hz）
 Light source for White light  Xe lamp (Auto color bias)
 Irrdiation area or White light  20×20mm
 Spectral match  JIS C8912・C8933 ClassA
 Supported size of module  Max.size : 1.7×1.2×0.1M 30kg Structure:Aluminum frame Stainless steel plate
 Auxlilary bias light  Halogen lamp

 

 

Standard Configuration

 

●Xe lamp 150W (for monochromatic light)

●Xe lamp 150W Power supply(for monochromatic light)
●Light condensing optical system
●Monochromator
●Grating   600line/mm brazed at 300nm
●Grating　600line/mm brazed at 500nm
●Grating　600line/mm brazed at 800nm
●Light emitting optical system(auto continuous density variable ND filter)
●Variable frequency chopper　DC/13～100Hz
●High order light cut filters
●Xe lamp 150W（for White light）
●Xe lamp 150W Power supply(for White light）
●Optical system for white light （Bulit-in AM1.5G filter）

●Bias light for non measurement cells(halogen lamp)
●Sample compartment
●Source meter

●Lock-in amplifier
●Si Photo diode detector(for monochromatic light )
●TP unit
●Si detector holder

●Si Photo diode detector(for white light)

●Cable for solar cell(XLR-Alligator clip)
●Interface unit
●Note PC
 

 

Option

 

●Various sample holders

●Automatic filter switching mechanism for white bias(ND filter / color Filter)

 

 

Dimensions

 

●Power：AC100V  ±10V  50/60Hz   30A
●Main unit：Approx.W3100×Ｄ2000×H1800mm
●Weight：Approx.1000Kg

 

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