| Project/Area Number |
25620021
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| Research Category |
Grant-in-Aid for Challenging Exploratory Research
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| Allocation Type | Multi-year Fund |
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| Research Field |
Organic chemistry
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| Research Institution | Tohoku University |
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Principal Investigator |
YAMAMOTO Yoshinori 東北大学, 原子分子材料科学高等研究機構, 名誉教授 (60029519)
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| Project Period (FY) |
2013-04-01 – 2015-03-31
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| Project Status |
Completed (Fiscal Year 2014)
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| Budget Amount *help |
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2014: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2013: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
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| Keywords | 重水素同位体効果 / 光電変換効率 / 官能基化フラーレン / 触媒的フラーレンの官能基化 / 電子アクセプタ材料 |
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| Outline of Final Research Achievements |
Our research aimed to synthesis of a new series of deuterated functional fullerenes for high performance organic bulk-heterojunction (BHJ) solar cells along with to develop novel catalytic fullerene functionalization reactions. As a result, the use of mono-substituted deuterofullerenes as a new series of electron acceptors for BHJ solar cells improved the power conversion efficiency up to 4.16% which was higher than their protonated fullerene analogues and the standard PC61BM device under the same conditions. Moreover, we have developed various new transition-metal-catalyzed fullerene functionalizations, such as Co-catalyzed highly mono-selective fullerene cycloaddition, Cu-catalyzed C-H amination of hydrofullerenes and Ni-catalyzed direct dibenzylation of fullerene for synthesis of 1,4-difunctional fullerenes.
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