Professor Moon Ju-ho of Yonsei University, the Leading Figure in Green Hydrogen, Named 'Scientist of the Month'

Professor Moon Ju-ho of Yonsei University (center). Photo by Ministry of Science and ICT.

[Asia Economy Reporter Kim Bong-su] The Ministry of Science and ICT and the National Research Foundation announced on the 5th that Professor Moon Ju-ho of the Department of Materials Science and Engineering at Yonsei University has been selected as the recipient of the 'Scientist of the Month' award for January.

This award is given monthly to one researcher who has contributed to the advancement of science and technology through outstanding research and development achievements, with the Minister of Science and ICT Award and a prize of 10 million KRW.

Professor Moon was recognized for his significant achievements in green hydrogen production research based on solar cell technology. He was the first in the world to propose a device that produces hydrogen using a semi-transparent solar cell based on an aluminum oxide structure.

The existing 'solar-hydrogen production system' faced challenges of high cost and low efficiency due to expensive semiconductor materials and complex production processes. Professor Moon's research team succeeded in developing a stacked tandem device with high solar-to-hydrogen conversion efficiency, achieving low-cost, high-efficiency green hydrogen production using inexpensive semiconductors. Notably, by achieving a solar-to-hydrogen conversion efficiency exceeding 10% for the first time in the world, the paper on high-efficiency green hydrogen production technology based on the 'solar cell-photoelectrode water splitting device' developed by Professor Moon's team was published in the international journal Energy & Environmental Science in November 2020.

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