Perovskite is one of the promising materials for the next generation of solar panels because of its low-cost, but the problem is that they deteriorate quickly when exposed to ambient air. With the continuous improvement of efficiency and stability, perovskite solar cells (PSCs) are gradually approaching practical applications. PSCs may show the special application in space where oxygen and moisture (two major stressors for the stability) barely exist.
According to SolarDaily news, Researchers demonstrated the attempt for the stability study of large-area perovskite solar cells (active area of 1.00 cm2) in near space. The devices were fixed on the high-altitude balloon rising from ground to near space at an altitude of 35 km in Inner Mongolian Area, China.
The near-space atmosphere at 35 km contains a trace amount of both moisture and ozone, resulting in AM0 solar spectrum with the light intensity of 136.7 mW/cm2. This atmosphere also contains several high-energy particles and radiation (such as neutrons, electrons, and gamma rays), originating from the galactic cosmic rays and solar flares.
Researchers anticipate that this study will play very crucial roles in the future stability research of perovskite solar cells. This work also opens the route for perovskite solar cells in future space application. ——————–***——————–
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Date: Mar 16, 2019 @ 10:14
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