A research team led by Specially Appointed Assistant Professor Yoshinobu Kamakura and Professor Kazuhiko Maeda from Tokyo Institute of Technology (Tokyo Tech), which included Professor Daisuke Tanaka from the School of Science at Kwansei Gakuin University, has developed a new kind of photocatalyst for CO₂ reduction based on a coordination polymer (CP) containing lead–sulfur (Pb–S) bonds. Known as KGF-9, the novel CP consists of an infinite (–Pb–S–) _n structure with properties unlike any other known photocatalyst. The project's research results were published in ACS Catalysis on August 5, 2022.

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Efficient Carbon Dioxide Reduction under Visible Light with a Novel, Inexpensive Catalyst