The reporter learned from the University of Science and Technology of China on the 26th that the team of Professor Tao Chen and Professor Changfei Zhu and collaborators developed a hydrothermal deposition method to prepare selenium antimony sulfide semiconductor thin film materials and applied them to solar cells to achieve photoelectric conversion. 10% efficiency breakthrough. This result was recently published on "Nature Energy".
As a world-renowned solar mounting system manufacturer, this huge technological advancement is undoubtedly a great boost for CHIKO Solar's development on the way forward. The development of solar panel revenue promotes the progress of the photovoltaic industry and also promotes the upgrade of support technology and solutions.
Selenium antimony sulfide is an emerging photovoltaic material used in the photovoltaic field in recent years. Its band gap is adjustable in the range of 1.1-1.7 electron volts, which meets the best solar spectrum matching. At the same time, selenium antimony sulfide has a high absorption coefficient, and a film with a thickness of about 500 nanometers can achieve the best absorption. Therefore, it also has potential applications in ultra-light and portable power generation devices.
In view of the good stability and abundant element reserves of selenium antimony sulfide, the further improvement of photoelectric conversion efficiency is expected to promote the application. The hydrothermal deposition method developed by this research result can generate dense, flat and uniformly distributed light absorption film in the supercritical state by hydrothermal deposition, which is conducive to carrier transmission, combined with light absorption and anion-cation ratio The regulation and control of point defects finally achieved a breakthrough in photoelectric conversion efficiency. From the perspective of material preparation, the hydrothermal deposition method developed in this research is a simple and low-cost thin film preparation method.
The reviewers of "Natural Energy" spoke highly of this work, believing that this is a milestone efficiency, bringing new dawn to the development of selenium antimony sulfide solar cells!
Above news from CHIKO Sales & Marketing department
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