Section 1: Company Introduction
Wuhan BanGu Technology Co., Ltd. is a technology-driven innovative company, specializing in the production of3AGradeLEDSteady-state solar simulator, solar cellIVTest systems, multi-channel solar cell stability test systems, etc., are widely used in scientific research institutions and universities for research practices in fields such as optoelectronic materials, solar cells, photosensitive materials, and biochemical sciences.
The company is composed of technical personnel with many years of experience in photovoltaic, microelectronics, software engineering, and other fields, boasting a comprehensive product planning, research and development, testing, quality control system. The company continuously monitors advanced technologies at home and abroad and maintains close cooperation with several domestic research institutions, ensuring the continuous update of product technology.
We always adhere to a customer-centric business philosophy, maintaining close communication and collaboration with clients and partners, continuously improving our products, and preserving our innovative vitality. The company is willing to closely cooperate with domestic and international research users and industrial users to jointly advance the development of photovoltaic technology and new materials.
II. System Introduction
All performance characterization methods of solar photovoltaic devices,IVCharacteristics testing is undoubtedly a直观、有效、and widely used method. It involves measuringIVCharacteristics curves, along with further data analysis, directly reveal the various physical properties of photovoltaic devices, including the efficiency of photoelectric conversion, fill factor, short-circuit current, and open-circuit voltage. These data serve as a reliable basis for the research, quality inspection, and application of photovoltaic devices.
Section 3: System Composition
3.1Hardware System
3.1.1、3AGradeLEDSunlight Simulator
BG-LED-AAASeriesLEDThe Sun Simulator is an ideal sunlight source for scientific research, representing an upgrade to the current xenon lamp-based sunlight simulators. Its superior features make it more suitable for research on solar cells, semiconductor materials, and biological sciences.
Product Features:
• CompliantIEC 60904-9，JIS 8904-9AndASTM E927-10About Spectral MatchingA+Uniformity of radiation spaceAUnreliable timingA+Requirements.
• Utilizing imported high-powerLEDChips, utilizing various different wavelengthsLEDPerform spectral fitting for a more accurate simulation of sunlight.
• Luminaire lifespan >10000Hours, no longer needing to regularly replace expensive and dangerous bulbs.
• Independent spectral control, in350nm～1100nmWithin the spectral range,
• 7InchLCDTouchscreen control, graphical interface operation, quick and easy to use.
Technical Specifications:
Model | BG-LED-AAA-50 | BG-LED-AAA-100 | BG-LED-AAA-300 |
Light Source Type | Steady StateLEDLight Source | ||
Spectral Range | 350~1100Or300~1200 | ||
Effective Spot Size Area | 50mm×50mm | 100mm×100mm | 300mm×300mm |
Spectral match accuracy | A+ | ||
Uniformity | A | A | A+ |
Time instability | A+ | ||
Luminaire lifespan | ＞10000Hour | ||
Typical Output Power | 100 to 1100 W/m2 (0.1 to 1.1 SUN) Adjustable | ||
Supply Voltage | AC220V/50HZ | ||
Spectral Chart:
3.1.2Digital Source Table
This system supportsKeithley24xxSeries Source Table
3.1.3Standard Solar Cell
Standard solar cell design and packaging fully comply with IEC60904-2 Requirements: Used for irradiance calibration of various steady-state or transient solar simulators. The spectral response range of standard solar cells covers 300~1200） nmThe battery housing includes an output for current signals and an output for temperature signals, both signal outputs are wired using the four-wire method. The internal battery cells are sized as follows: 20mm X 20mmChoose from standard single crystal, polycrystalline, PERK、 HIT Or provided by the customer. Pre-buried directly below the battery sheet PT100 High-precision thermistor, capable of outputting battery sheet temperature signals. Signal output interface is original. LEMO Interface, configured with two signal output lines (one end) LEMO Four-line male connector, one end with four banana jacks. Custom interfaces can be specified in advance. Battery packaging glass can be customized according to customer requirements.
3.1.4Low-resistance test fixture
This product is suitable for electronic devices with a single common electrode pair for a single opposing electrode, such as perovskite solar cells, organic solar cells.OLED，QDsLEDWait.
LC-LRLow-impedance Test Clip Parameters | |
Structure | Clamp switch with separate structure |
Main Material | Bakelite+POM |
Gold-plated interface | All interfaces are gold-plated. |
Switches | OTAXGold-plated pin switch |
Probe | Flat head, diameter1mmElasticated30g |
Interface | Gold PlatedIDCBull-nose plug (reverse-proof) |
Cable assembly | IDC10P / IDC20PConnectors 0.3mm2*500mm |
Each channel resistance | < 0.2Ω（50cmCable assembly |
Other | Replaceable probe circuit board, adaptable1.1mmOr2.2mmWafer |
Testing Method | Supports dual-line and quad-line measurement |
3.2Software System
This software supportsGPIB CardsRS-232 Serial port, suitable for Keithley24xx Electrical outputs and testing of the series digital source tables.
• Applicable to Keithley 24XX Series Source Sheet
• Fully Automatic Current and VoltageI-V、I-T、V-T Curvature Measurement
• IV Curved multi-layered graph display, supports data export
• Positive Scan Reverse Scanning Automatic forward and reverse scan measurement
• Measurable Parameters: Open Circuit Voltage （Voc） Short-circuit current （Lsc） High-power battery output （Pmax） Pmax Real-time voltage （Vmax）、Pmax Real-time current （Imax） Conversion EfficiencyPCE)、Fill Factor （FF） Series Resistor （Rs） In parallel resistor （Rsh）
• V. Customer Cases
1.Some perovskite solar cell R&D line
Perovskite solar cellsIVTest | 3A+GradeLEDSolar Simulator | 300mm×300mm
