Summary:
- This article discusses the development of a new type of solar cell that is more efficient and cost-effective than traditional solar cells.
- The solar cell uses a material called perovskite, which can be easily and cheaply produced, making it a promising alternative to silicon-based solar cells.
- The researchers were able to achieve a high efficiency rate of over 20% in their perovskite solar cell, which is a significant improvement over previous versions of this technology.