2015 Fiscal Year Final Research Report
Photo-induced high-purity hydrogen production by integration of nanostructured semiconductor photocatalysts and hydrogen permeable membranes
| Project/Area Number |
25709024
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| Research Category |
Grant-in-Aid for Young Scientists (A)
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| Allocation Type | Partial Multi-year Fund |
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| Research Field |
Electronic materials/Electric materials
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| Research Institution | Keio University |
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Principal Investigator |
Noda Kei 慶應義塾大学, 理工学部, 准教授 (30372569)
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| Project Period (FY) |
2013-04-01 – 2016-03-31
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| Keywords | 半導体ナノ構造 / 光触媒 / 水素生成 |
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| Outline of Final Research Achievements |
Photo-induced high-purity hydrogen production was investigated by using bilayer membranes composed of nanostructured semiconductor photocatalysts and hydrogen permeable membranes.
Firstly, a bilayer structure comprised by anodized TiO2 nanotube array and palladium electroless-plated film was considered, and all electrochemical fabrication of the ultrathin bilayer membranes with a thickness of a few micrometers was established. Then, high-purity hydrogen production from water photolysis with methanol as a sacrificial reagent was demonstrated as well as the establishment of evaluation methods of hydrogen production rate and apparent quantum yield in the bilayer membranes.
In addition, gas-phase photocatalysis of methanol over platinum-loaded iron oxide nanotube arrays was examined in high vacuum. As a result, hydrogen production was detected under visible-light illumination, suggesting that some interesting phenomena characteristic of gas-phase photocatalysis were successfully monitored.
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| Free Research Field |
電子・電気材料工学
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