SCS600 series SolarCell Quantum Efficiency Measurement System

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SCS600 series SolarCell Quantum Efficiency Measurement 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.

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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

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

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㎡

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