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Published on: February 11, 2016
Photocatalytic reduction of CO₂: from molecules to semiconductors
Tatsuto Yui1, Yusuke Tamaki, Keita Sekizawa
1Department of Chemistry, Graduate School of Science and Engineering, Tokyo Institute of Technology, 2-12-1-E1-9 Ookayama, Meguro-ku, Tokyo, 152-8551, Japan.
Abstract:
We are facing three serious problems related to fossil resources, i.e., shortage of energy, shortage of carbon resources, and the global worming problem. Development of practical systems for converting CO₂ to useful chemicals using solar light, i.e., photocatalytic CO₂ reduction systems, should be one of the best solutions for these problems. In this article, we review photocatalytic CO₂ reduction systems, which are classified in two categories: (1) homogeneous reaction systems mainly using transition metal complexes, and (2) heterogeneous systems mainly using inorganic semiconductor as a light absorber.
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