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2021 Adv. Mater. (IF 30.849): CsPbI3 Inorganic Perovskite Crystal Verified to Reach over 20% Efficiency

SS-X solar simulator makes the breakthrough possible!

  A recent study published in the Advanced Materials (IF 30.849) journal proved that the secondary growth of inorganic perovskite crystals can compensate for the defects in the CsPbI3 perovskite and realize high-efficiency inorganic solar cells.

  The defects of CsPbI3 inorganic perovskite usually cause phase instability and limited device performance. In this study, scientists reacted the defective inorganic CsPbI3 perovskite in a solid state to induce secondary crystal growth (indicated by CsPbI3-SR). Through the carrier dynamics results, it is confirmed that the secondary crystal growth can significantly reduce defects, realize defect compensation and improve thermal stability and humidity stability.

  Scientists chose Enlitech’s solar simulator and QE-R quantum efficiency measurement system to verify that the solar cell based on CsPbI3-SR can provide 20.04% efficiency and excellent operational stability, which is a new concept that is expected to be used in various optoelectronic applications. In addition to the EQE (External Quantum Efficiency) spectrum analysis of inorganic perovskite solar cells, the quantum efficiency measurement system also provides the ratio of Jsc (short-circuit current density) to the short-circuit current of the solar cell under the solar simulator to prove the authenticity of the experiment. At the same time, Enlitech’s solar simulator and the KA-6000 software provide monitoring of the short-circuit current over time to prove the stability of the inorganic perovskite solar cell!

Recommended Instruments: Solar Simulator, QE-R Quantum Efficiency Measurement system

Recommend Software: KA6000 – The Most Comprehensive IV Measuring and Analysis Software for Perovskite Solar Cells

Key Word: Solar Simulator, Quantum Efficiency, Perovskite, IV Measuring, sun simulator, light simulator

Article link: https://onlinelibrary.wiley.com/doi/10.1002/adma.202103688

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