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제121회 대한화학회 학술발표회, 총회 및 기기전시회 안내 Solar-Driven Production of Hydrogen Peroxide from Water and Dioxygen and Its Usage in Fuel Cells and Green Oxidation

2018년 1월 23일 16시 57분 06초
INOR2-2 이곳을 클릭하시면 발표코드에 대한 설명을 보실 수 있습니다.
금 09시 : 25분
Inorganic Chemistry - Bioinspired Inorganic Catalysis
저자 및
Shunichi Fukuzumi
Faculty of Science and Technology, Meijo University, Japan
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승인 1건
Hydrogen peroxide (H2O2), which is used as a fuel in H2O2 fuel cells,1 is produced by two-electron/two-proton reduction of dioxygen (O2), two-electron/two-proton oxidation of water ( H2O), or combination of four-electron/four-proton or/and two-electron/two-proton oxidation of H2O and two-electron/two-proton reduction of O2.2 This lecture focuses on solar-driven production of H2O2 from H2O and O2 in the air and its usage in green oxidation reactions.2 H2O2 is produced by combination of the four-electron/four-proton oxidation of H2O oxidation and the photocatalytic two-electron/two-proton reduction of O2 using H2O oxidation catalysts and O2 reduction photocatalysts.3-5 The yield of H2O2 is improved when the compartment for the photocatalytic four-electron/four-proton or/and two-electron/two-proton oxidation of water with a semiconductor photocatalyst (WO3 or BiVO4) is separated from that for the catalytic two-electron/two-proton reduction of O2 with a cobalt(II) chlorin complex [CoII(Ch)] using the two-compartment cell separated by a Nafion membrane.6,7 The overall solar-driven oxidation of H2O by O2 to produce H2O2 is combined with catalytic oxidation of benzene by H2O2 to produce phenol, when the overall reaction is solar-driven hydroxylation of benzene by O2, which is the greenest oxidant, with H2O.8,9
1. S. Fukuzumi, Y. Yamada, ChemElectroChem, 2016, 3, 1978.
2. S. Fukuzumi, Y.-M. Lee, W. Nam, Chem.–Eur. J., 2018, 24, in press.
3. S. Kato, J. Jung, T. Suenobu, S. Fukuzumi, Energy Environ. Sci., 2013, 6, 3756.
4. Y. Isaka, S. Kato, D. Hong, T. Suenobu, Y. Yamada, S. Fukuzumi, J. Mater. Chem. A, 2015, 3, 12404.
5. Y. Aratani, T. Suenobu, K. Ohkubo, Y. Yamada, S. Fukuzumi, Chem. Commun., 2017, 53, 3473.
6. K. Mase, M. Yoneda, Y. Yamada, S. Fukuzumi, Nat. Commun., 2016, 7, 11470.
7. K. Mase, M. Yoneda, Y. Yamada, S. Fukuzumi, ACS Energy Lett., 2016, 1, 913.
8. Y. Aratani, T. Suenobu, Y. Yamada, S. Fukuzumi, Inorg. Chem., 2016, 55, 5780.
9. J. W. Han, J. Jung, Y.-M. Lee, W. Nam, S. Fukuzumi, Chem. Sci., 2017, 8, 7119.