2011 Fiscal Year Final Research Report
Control of the meso-architecture using self-assembly of the organic semiconductor having dendritic substituents
| Project/Area Number |
21510103
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Nanostructural science
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| Research Institution | Okayama University |
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Principal Investigator |
TAKAGUCHI Yutaka 岡山大学, 大学院・環境学研究科, 准教授 (10293482)
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| Co-Investigator(Renkei-kenkyūsha) |
TAJIMA Tomoyuki 岡山大学, 大学院・環境生命科学研究科, 講師 (90467275)
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| Project Period (FY) |
2009 – 2011
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| Keywords | ナノ構造化学 / フラーレン / デンドリマー / 自己組織化 / 有機半導体 |
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| Research Abstract |
In order to control the meso-architecture of self-assembled semiconducting materials, several new dendrimers have been synthesized. For instance, a fullerodendron having sugar moieties at the terminals, DBN-focal dendrons and their fullerene adducts, and a dendrimer having diphenyl diselenide at the core. Interestingly, fullerodendrons are self-assembled on the surface of single-walled carbon nanotubes(SWCNTs) to form the SWCNT/fullerodendron supramolecular nanocomposite that have nicely ordered photofunctional interface generating charge separated state via photoinduced electron transfer process. Furthermore, the supramolecular nanocomposite was covered by SiO_2 to produce the SWCNT/fullerodendron/SiO_2 coaxial nanohybrid that can be used for the photocatalyst for water splitting. It is notable that the quantum yield of H2 generation reaches to 31% upon visible light irradiation.
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[Remarks] 受賞高口豊,平成23年度岡山工学振興会科学技術賞,"有機太陽電池材料を指向したフラーレン誘導体の合成",岡山工学振興会, 2011年7月12日.
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[Remarks] 新聞報道(1件)高口豊,"炭素使い新光触媒(可視光で水素発生効率31%)",山陽新聞, 2011年11月18日.
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