Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 58, Issue 16, Pages 5402-5406Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201901961
Keywords
hydrogen peroxide; metal-organic frameworks; oxidation reactions; photocatalysis; two-phase reactions
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Funding
- Japan Society for the Promotion of Science (JSPS) [26220911, 16K14478]
- MEXT
- JSPS Research Fellowships for Young Scientists [16J08114]
- MEXT program Elements Strategy Initiative to Form Core Research Center
- Grants-in-Aid for Scientific Research [16K14478, 16J08114] Funding Source: KAKEN
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Much effort has been devoted to photocatalytic production of hydrogen peroxide (H2O2) as an alternative to fossil fuels. From an economic point of view, reductive synthesis of H2O2 from O-2 coupled with the oxidative synthesis of value-added products is particularly interesting. We herein report application of MIL-125-NH2 , a photoactive metal-organic framework (MOF), to a benzylalcohol/water two-phase system that realized photocatalytic production and spontaneous separation of H2O2 and benzaldehyde. Hydrophobization of the MOF enabled its separation from the aqueous phase. This resulted in enhanced photocalalytic efficiency and enabled application of various aqueous solutions including extremely low pH solution which is favorable for H2O2 production but fatal to MOF structure. In addition, a highly concentrated H2O2 solution was obtained by simply reducing the volume of the aqueous phase.
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