In situ modification of Co-MOF with graphene oxide for enhanced photocatalytic hydrogen production |
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Affiliation: | 1. Faculty of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznanskiego 8, 61-614 Poznan, Poland;2. Center for Advanced Technology, Adam Mickiewicz University, Uniwersytetu Poznanskiego 10, 61-614 Poznan, Poland |
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Abstract: | Metal-organic frameworks (MOFs) are one of the most promising precursors for the fabrication of advanced photocatalysts. In this report, we present a stable in water MOF based on earth-abundant cobalt (Co-BDC) as a highly active catalyst for visible-light-driven H2 generation. The rate of H2 production sensitized by eosin Y (EY) over Co-BDC reached 14.5 mmol g?1 h?1. By in situ addition of graphene oxide suspension to the photocatalytic system, the hydrogen production efficiency was further enhanced by a factor of 6.6. |
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Keywords: | Photocatalysis Metal-organic frameworks Cobalt species Hydrogen generation XPS analysis |
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