KA6000 – The Most Comprehensive IV Measuring and Analysis Software for Perovskite Solar Cells Original link：https://enlitechnology.com/home/products/software/ivs-ka6000/ *About Enlitech Enlitech was founded in March 2009. The core technologies include artificial light source and spectrum analyzing technique.Enlitech’s four main product markets include image sensor testing solutions, advanced photoelectric detector testing systems, quantum efficiency test solutions, and various light simulators. Our popular products are QER and SS-X solar simulator. If you are interested, please visit the official website to understand more! https://enlitechnology.com/

1. KA6000 – The Most Comprehensive IV
Measuring and Analysis Software for
Perovskite Solar Cells
Enli Technology Co. Ltd.
September 14, 2021
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2. 2
Contents
 Introduction
 Features and Specifications
 Difference between IVS-KA6000 and Other Brands
 New features and download resources

3. 3
Introduction
With over 10 years of experience, IVS-KA6000 PV Test IV software has
been developed by Enli Technology. IVS-KA5000, the previous generation,
has more than 500 users. IVS-KA6000 is evolved from IVS-KA5000 based on
users’ feedback and experience. IVS-KA6000 can control a variety of SMUs
and perform data collection of current and voltage based on setting
parameters by users. The formulas and algorithms of IVS-KA6000 are based
on the foundation developed and released by NREL.
Users can clearly understand how to improve the efficiency in solar cell
research by IVS-KA6000. Besides, IVS-KA6000 software has assisted many
customers to continuously break through the record of the highest cell-
conversion-efficiency and published on NREL’s best cell efficiency chart. For
example, 23.3% perovskite solar cells of the Chinese Academy of Sciences
(2019), 24.8% perovskite solar cells of UNIST (2020), 15.7% organic solar cell
of Y6 material from South China University of Technology and Central South
University (2019), 18% organic solar cells of the Institute of Chemistry of the
Chinese Academy of Sciences (2020), etc.

4. 4
Features and Specifications

5. 5
Features and Specifications
1. Measurements: Isc, Voc, Jsc, Jmax,
Pmax, Vmax, Imax, η, FF, Rs, Rsh
2. Automatic IV measurement under steady-
state conditions. (The best solution for
measuring perovskite solar cells)
3. IV curve overlay display.
4. Forward scan/ Reverse scan/ Automatic
forward and reverse scanning
measurement
5. Automatic polarity reversal test.
6. 2 segment IV measurement.
7. Quick note.
8. Semi-log display.
9. Jsc display.
10. Voltage and current monitoring
measurement.
11. IV configuration recipe.
12. Light soaking & MPPT measurement.
13. Multi-channel automatic measurement.
(Integrated function)
14. Light-intensity-dependent measurement.
(Integrated function)
15. Real-time correction function according to
IEC.
16. NREL Asymptotic measurement.
17. Backup measurement data automatically.
18. File export format: CSV/TXT File.

6. 6
Features and Specifications
 Supported Instrument
• Keithley 2400 series
• Keithley 2450
• Keithley 2600 series (with latest firmware)
• Keysight B2900 series
 System Integration
SS-X Solar Simulator
• Remote control light intensity.
• Light-intensity-dependent
measurement.
 Auto Switch Box
• Multi-channel automatic measurement
 Thermometer
• Record the temperature during
measurement.
• Perform temperature coefficient
correction.
 Data Analysis with KA-viewer Software
• Ideal factor “n”
• MMF correction
• SCLC fitting
• Diode model fitting
• Temperature coefficient correction
• Tandem cell IV calculator

7. 7
Difference between IVS-KA6000 and Other
Brands
Most of the IV testing software on the market is positioned as an
accessory to the solar simulator and only provides basic test and easy
analysis. Most of them won’t develop new functions according to user’s
experience and requirement.

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Simple IV test software from other brands only provides basic IV measurement
and analysis. However, feedback from customer usage and requirements
cannot be satisfied. For the development of new-type solar cells, typical simple
IV test software cannot support relevant measurement and analytical
technology and is hard to help user make a breakthrough.
Rough IV software imitating
IVS-KA.

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For example, due to the hysteresis effect of perovskite solar cell, changes in
voltage and electric field affect the carrier mobility and charge accumulation.
This hysteresis effect makes different IV curves for the same solar cell when
doing forward-voltage-sweep and reversing-voltage-sweep.
Different results of IV curve for
forward and reverse scan are
observed for the same perovskite
solar cell. A significant difference
between two curves represents
different results of the conversion
efficiency.

10. 10
The IV software developed by Enli Technology is the pioneer in the
industry in perovskite and organic solar cells and achieves many
important functions, including:
1. Forward and Reverse IV Scan Function
2. Sweep Voltage Increase Rate Control
3. I-t, V-t, MPPT Tracking Function
4. Single Sample Multi Sub-Cell Automatic Test
5. Light soaking and MPPT (Max power point tracking) testing tool
6. Correction function according to IEC international standard
7. Automatic light-intensity-dependent measurement
8. NREL asymptotic measurement

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1. Forward and Reverse IV Scan Function:
Traditionally, individual measurement condition settings twice are
necessary. Reverse IV-scan can be started until completing forward IV-scan
condition settings, forward IV-scan test, and then reverse IV-scan condition
settings in order. Besides, two individual IV curves need to be plotted together
by manual after finishing all measurements. Traditional method is extremely
time-consuming.
Enli Technology is the first supplier of IV software to realize automatic
forward and reverse IV scanning functions. In 2015, pervious generation, IVS-
KA5000 has implemented these functions. Besides, more than 100 laboratories
developing high-efficiency solar cells adopt IVS-KA5000 to help users to
accelerate the breakthrough of conversion efficiency (PCE).

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2. Sweep-Voltage-Increase-Rate-Control:
The voltage-increase-rate will affect the IV curve results of perovskite solar
cells. Since 2016, the voltage-increase-rate-control has been a standard
function of the IVS-KA software. IVS-KA software attached this control function
help users to deeply analyze the material system and hysteresis effect of
perovskite solar cells.
The IV curve results of the
perovskite solar cell under
different sweep-voltage-
increase-rate conditions.
(Source: The Journal of
Physical Chemistry Letters).

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3. I-t, V-t, MPPT Tracking Function:
To analyze the stability of new material system, in 2017, IVS-KA software
added the “I-t Monitor” function to monitor the time-dependent current of single
solar cell. Moreover, monitor functions of time-dependent voltage(V-t) and
maximum-power-point-tracking (MPPT) are integrated to IVS-KA6000. It will be
a convenient tool to users to study the stability of new types of solar cells such
as perovskite or organic.
Many time-tracking functions are
implemented in IVS-KA6000,
including I-t, V-t, and MPPT. IVS-
KA6000 will be a powerful and
convenient tool to users and
researchers. (Source: Nano Energy).

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IT (Current versus time) monitoring tool.

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4. Single Sample Multi Sub-cell Automatic Test:
With the development of efficiency research, everyone values the authenticity and
reproducibility of the improvements to solar cells with different manufacturing process.
Providing statistical data on experimental results is the effective way to confirm the
reality, as shown below. To get statistical data, a large number of solar cells will be tested,
and generate repeated measurements. If the automatic testing for a single sample with
multi-sub-cells is realized, the research and efficiency of the laboratory will be greatly
improved. And thereby speeds up the publication rate of papers.
The PCE efficiency distribution of 23.3% perovskite
solar cells with different manufacturing processes
published by Nature Photonics. To get this
statistical distribution, two separated groups
(experiment and control) were performed IV
measurements and PCE analysis. This diagram
demonstrates the overall reproducibility of
experimental results and the authenticity of the
data.

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IVS-KA6000 can not only integrate the former 8-channel four-wire multiplexer
manufactured by Enli Technology but also support 32-channel automatic multiplexer. It
can automatically switch test for 32 independent sub-cells and greatly shorten user’s
testing time without switching and reconnecting cable. Besides, it reduces the possible
artificial-measurement-errors.
Integrated Auto-switch box and test
fixtures for automatic multi-channel
measurement.
IVS-KA6000 Single Sample Multi Sub-cell Automatic
Test: Channel-setting screen.
IVS-KA6000 Single Sample Multi Sub-cell
Automatic Test.

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5. Light soaking and MPPT (Max power point tracking) testing tool:
IVS-KA6000 has several powerful testing tools. Such as light soaking
(MPPT) testing tool, current and voltage monitoring. There are convenient tools
for users to study the stability of many new types of solar cells such as
perovskite or organic solar cells.
IVS-KA6000 Single Sample Multi Sub-
cell Automatic Test.
Result data of the light soaking (MPPT)
measurement.

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6. Correction function according to IEC international standard:
IEC standards define standard test conditions (STC), which are irradiation
spectrum is AM1.5G, the light intensity is 1000W/m^2, and the temperature of
the solar cell is 25°C. IVS-KA6000 has 3 correction functions. They are
temperature coefficient correction, irradiance correction, and MMF correction.
These correction functions can make the test data more authentic and reliable,
which will be beneficial to the development of research projects or the
publication of journals.
IVS-KA6000 can perform MMF or temperature coefficient correction immediately
by user-friendly interface.

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7. Automatic light-intensity-dependent measurement:
Integration with the SS-X Solar simulator,
which can control the different testing
procedures such as light-intensity-dependent
testing or light ON/OFF delay control.
IVS-KA6000 supports the popular SMU (Please refer to the supported SMU below), SS-X
Solar Simulator or Auto-Switch Box. The integration of these instruments can be used to
complicated measurement. Example:
The IV curve of the solar cell
under different irradiance
intensities through the light-
intensity-dependent
measurement of IVS-KA6000
combined with the SS-X Solar
Simulator.

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8. NREL asymptotic measurement
About the details of NREL asymptotic measurement procedures, please be free
to contact us for more information or demonstrations.
https://www.youtube.com/watch?v=lh61ykLxwoc

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New features and download resources
All SS-X series solar simulators can be controlled by the IVS-KA6000 software which is
the most powerful IV measuring software for accurate PV characterizations. Not just the
optical shutter, the output light irradiance also can be manipulated by the IVS-KA6000 IV
software, which can help users easily finished the complex IV tests under different light
intensities or Sun-Voc testing.
The latest version of IVS-KA6000 Perovskite Solar Cells IV Measuring and Analysis
Software has added current monitoring and measurement functions with shutter
cycle control. It is currently open for download and update. Users of IVS-KA6000
are welcome to download.
Free trial of IVS-KA6000 IV Measuring and Analysis Software is also available for a
limited time. Welcome to download the IVS-KA6000 software in “Resources and
Downloads” section of the page and experience!
Download Page： https://enlitechnology.com/home/products/software/ivs-ka6000/

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1.Welcome to click to read the original text & download trial:
https://enlitechnology.com/home/products/software/ivs-ka6000/
2. If you want to know more about the application of IVS-KA6000,
please read the following article:
https://enlitechnology.com/pv-application/ss-adv-energy-mater-02/

23. Thank you for your
time and
attention.
ENLITECH CONFIDENTIAL
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24. 24
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