2015 Fiscal Year Final Research Report
Mechanism of photocatalytic hydrogen production over graphite silica/TiO2 and their artificial synthesis
| Project/Area Number |
26810117
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Multi-year Fund |
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| Research Field |
Inorganic industrial materials
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| Research Institution | Yamagata University |
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Principal Investigator |
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| Co-Investigator(Renkei-kenkyūsha) |
HIROSE Fumihiko 山形大学, 大学院理工学研究科, 教授 (50372339)
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| Project Period (FY) |
2014-04-01 – 2016-03-31
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| Keywords | グラファイトシリカ / TiO2 / 水素製造 |
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| Outline of Final Research Achievements |
The mechanism of enhanced hydrogen production by GS over TiO2 has been studied. Previous studies show that clay portion of GS contributes to hydrogen production. Therefore, we used several natural clays (e.g. dolomite, sericite) and synthesized sericite to observe their effect on hydrogen production over TiO2. We also studied the effect of pH and the bandgaps of photocatalysts on hydrogen production over GS/TiO2. It is found that that pH or bandgap has no effect on hydrogen production over GS/TiO2. Moreover, we developed a new method for the fabrication of ultrafine nanoparticles of metal oxides. The average size of the nanoparticles is found to be 11nm with reduced oxygen vacancies in the crystal. The nanomaterials are potential for application in catalysis, sensor, electromagnetism and other optoelectronic devices.
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| Free Research Field |
材料化学
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