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Home > Products > Solar Cell System > SCS600 Solar Cell Quantum Efficiency Measurement System

SCS600 Solar Cell Quantum Efficiency Measurement System

SCS600 is the second-generation product of the high-performance solar cell quantum efficiency / spectral response measurement system developed by Zolix. It can measure solar cells of various materials and is suitable for universities, research institutes and, R&D and production quality management in enterprises.
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SCS600 is the second-generation product of the high-performance solar cell quantum efficiency / spectral response measurement system developed by Zolix. It can measure solar cells of various materials and is suitable for universities, research institutes and, R&D and production quality management in enterprises. Compared with the first-generation product, the software is more user-friendly and easy to operate. Compatible with high-precision Keithley 2612B and 2636B digital source meters, which improves the data acquisition accuracy and bias test capability. Larger sample chamber and double doors make it easier to place and replace samples. In addition, Zolix provides customized services, so that the equipment can better meet customer needs.

Main Functions:

■ EQE, IQE/ Spectral Response/ IPCE
■ Integrated JSC
■ It can measure the sample in glove box, vacuum chamber and other equipment
■ Wide spectral measurement range: 250nm - 1700nm
■ Light beam induced current measurement
■ CCD camera monitoring
■ Bias light test and bias voltage test
■ Provide AC and DC double data acquisition functions
System Features
High stability light source, good system repeatability
Adopting the substitution method, light source stability is an important reason that affects the repeatability of the measurement results. Due to the different spectral response ranges of the detectors, the system provides high stability xenon lamp, tungsten lamp light source, their stability is higher than 99%, that ensure high repeatability and accuracy of measurement results.
 
Monitoring CCD
Clearly observe the light spot and precisely locate the sample.
Professional Optical Design
Total reflection optical path without aberration makes the measurement result more accurate.
Converging the broadband light source in the transmission mode will cause aberration, as shown in the figure below, the
spot size of different wavelengths is different, when testing small area detectors, there will be a large deviation.
The comparision of convergence light path imaging
High-intensity monochromatic light source makes the system signal-to-noise ratio higher
150W Xenon lamp output power curve
Adopting 150 W xenon lamp, the output power is larger than 6 mW/cm2 at 500 nm, over AM 1.5G spectral irradiance intensity.
Probe Light Spot
1 mm circular spot, suitable to measure the samples larger than 1mm.
Glove Box IPCE Test Accessory IPCE-PVK
■ Fits standard glove box
■ External light source to avoid affecting the temperature in the glove box
■ 3D adjustable sample position
■ Dual door for easy sample change
■ Monitoring CCD observes the sample position
Biased LED Light Source
The LED light source wavelengths cover a wide spectral range from 365nm to 980nm, they are dedicated to measure the multiple solar cells. When measuring one of the cells, the bias lights are required to turn on the other cells, and the bias lights can't turn on the cell under test.

Selection：

Model

Wavelength ( nm )

Power ( mW )

M365L

365

420

M405L

405

400

M450L

450

320

M550L

550

50

M610L

610

80

M690L

690

100

M760L

760

100

M880L

880

50

M980L

980

50

System Selection：

Model

SCS600-XE

SCS600-TH

SCS600-XT

 

Light source 

Xenon light source

Tungsten light source

Dual light source
Wavelength Range 300-1100 nm
(up to1700nm is option)		 400-2500 nm 300-2500 nm
Wavelength Accuracy ±0.2 nm
Wavelength Repeatability ±0.1 nm    
Minimum scanning step 0.005 nm    
Diffraction gratings One is 1200 lines/mm, one is 600 lines/mm, one is 300 lines/mm
Motorized filter wheel Automatically controlled by software
Wavelength resolution FWHM=0.1nm ( focal length: 300mm, grating: 1200g/mm, slit width: 0.01 mm )

 

Repeatability

200-400nm

≤2%

-

≤2%

400-1000nm

≤1%

≤1%

≤1%

1000-1700nm

≤1.5%

≤1.5%

≤1.5% @1000-2500nm

Test Conditions

Standard Detector

Light spot size

1x1m㎡~10x10m㎡
Sample dimensions 50 X 50 m㎡ to 100 X 100 m㎡

Probe Stage
Zolix has designed a variety of probe stages which are used for the quantum efficiency measurement and IV characteristic measurement of different solar cells, that are convenient for users to use.

Model

Function

Application

Maximum Sample Size

Other Instruction

IV-F1

Vacuum adsorption, suitable for large size cells

IV measurement

100mm*100mm

 

IV-F2

Vacuum adsorption, suitable for small size cells

IV measurement

50mm*50mm

 

QE-F4

Two sets of 3D adjustable probes, the base is an oxygen-free copper electrode

QE measurement

30mm*30mm

Suitable for front electrode and double- sided electrode cell

QE-F6-C

3M test clip, 2D adjustable position

IV/QE measurement

100mm*100mm

Suitable for dye-sensitized cells

 

QE-F6-D

Back-electrode sample stage feature a knob can be rotated to choose the measured cell for the multi-cell samples

 

IV/QE measurement

 

35mm*35mm

Need to be customized based on the sample size and electrode position

 

QE-F6-H

Back-electrode sample gas sealing stage feature a knob can be rotated to choose the measured cell for the multi-cell samples

 

IV/QE measurement

 

35mm*35mm

Need to be customized based on the sample size and electrode position, providing gas circulation environment