The Ossila Solar Cell I-V Test System (Automated) is a compact source measure setup for characterizing photovoltaic devices. It records the current-voltage curve of a solar cell, and the included PC software then derives the key device metrics: power conversion efficiency (PCE), fill factor (FF), short-circuit current density (Jsc), open-circuit voltage (Voc), maximum power (Pmax), shunt resistance (Rsh) and series resistance (Rs).
The automated version uses a multiplexing test board that switches between the individual pixels on a substrate without manual reconfiguration. This speeds up measurement and allows lifetime tracking of several pixels at once, while temperature and light are also logged during each run. Riser boards are available for Ossila substrates of 20 mm x 15 mm (T2003B), 25 mm x 25 mm (T2003E) and 75 x 25 mm (T2003F), and a generic variant is offered for use with other substrate setups.
The system sources voltages from -10 V to +10 V with a resolution of 170 µV and measures currents from ±10 nA up to ±200 mA. The software includes characterization, stabilized current output, solar lifetime and maximum power point tracking modes, with custom settle times and forward/backward sweeps for hysteresis. A solar simulator is needed for standard efficiency measurements.
- Measuring I-V curves of solar cells and automatically calculating PCE, FF, Jsc, Voc, Pmax, Rsh and Rs.
- Tracking the stability and lifetime of multiple pixels on a device through periodic I-V characterization.
- Evaluating hysteresis in photovoltaic devices with consecutive forward and backward sweeps.
- Following the maximum power point, Jmp and Vmp of a solar cell over time.
- Monitoring how the stabilized current output of a device evolves over time.
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- Product code: T2003G3
- Voltage source range: ± 10 V
- Voltage source resolution: 170 µV
- Voltage source accuracy: 10 mV
- Voltage measure resolution: 10 µV
- Current measure range: ± 20 µA to ± 200 mA
- Best current resolution: 0.1nA
- Burden voltage: <20 mV
- Substrate compatibility: S211 (T2003B), S2006 (T2003E), S241, S251 (T2003F)
- Automated system dimensions (W x H x D): 150 mm x 55 mm x 300 mm
- Power adapter: 24 VDC
- Connectivity: USB 2.0, or Ethernet (requires DHCP)
- Operating system: Windows 11 (64-bit)
- Minimum RAM: 4 GB
- Monitor resolution: 1680 x 1050
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