New types of photovoltaic devices such as perovskite and organic solar cells are highly sensitive to water vapor and oxygen. In an ordinary open testing environment, samples exposed to air are prone to decomposition and deterioration, causing I-V curves to shift, efficiency data to be distorted, and stability test results to lose their reference value. This is a common experimental problem often encountered by many photovoltaic researchers. The Sevan Optoelectronics 7-SCF03 sealed testing platform is specifically designed for environmentally sensitive photovoltaic devices. The sealed cavity structure, combined with optical windows and gas interface, enables the completion of photovoltaic performance characterization in an inert atmosphere, safeguarding the original performance of the samples and ensuring the authenticity and reliability of the experimental data.

The entire machine adopts a compact sealed cavity design, with reliable cavity sealing. It can introduce inert gases such as nitrogen to replace the internal air, isolating oxygen and water vapor erosion, inhibiting material degradation during the testing of organic and perovskite devices, avoiding sample degradation during testing, and especially suitable for stability research of devices and performance characterization under short-term illumination. It solves the problem of rapid failure of samples in an open environment. The top of the cavity is equipped with a UV quartz optical window, with excellent wide-band transmittance performance. It can allow normal incidence of ultraviolet-visible-near-infrared wavelengths, compatible with monochromatic light, simulated sunlight irradiation, and directly connect to the spectral response testing system and sunlight simulator without opening the cavity, enabling electrical testing under illumination conditions, achieving synchronous operation of illumination and sealed atmosphere, and eliminating the need to repeatedly remove the samples, reducing secondary damage to the samples from the external environment.

The equipment is equipped with a multi-position electrode selection switch, which outputs electrical signals through a standard BNC interface. The wiring is simple and stable, and can be directly connected to the source meter and signal acquisition equipment, quickly establishing a complete test link for I-V characteristics, photocurrent, and spectral quantum efficiency. The operation of switching multiple electrodes is simple, without the need to repeatedly disassemble and assemble wiring, improving the testing efficiency of the samples.

The entire body is made of aluminum alloy, with a compact and stable structure, small in size, and can be directly placed on the optical platform, easily integrated into existing photovoltaic testing systems, with a low learning threshold, and does not require complex modifications to be put into experiments. Different from large glove box systems, the 7-SCF03 sealed testing platform combines atmosphere protection, optical incidence, and electrical output, guarding sample performance, outputting reproducible and reliable test data, and helping new photovoltaic device research to advance.

Applicable scenarios: organic solar cells, perovskite cells, air-sensitive photovoltaic devices; can be used in conjunction with sunlight simulators, 7-SCSpec spectral response testing systems, and source meters.