Dr. Dong-suk Kim's research team at KIER developed a Perovskite solar cell with an efficiency of up to 25.6% in collaboration with UNIST and researchers at the Lausanne Institute of Technology (EPFL) in Switzerland. This cell recorded the highest level (25.6%) of the Perovskite solar cell efficiency among officially reported on research papers. The research results were published on the Nature, the world’s most prestigious science journal, on April 5.