Precision design of functional materials with nanoscale molecular heterojunction
| Project/Area Number |
24350055
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Partial Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Polymer chemistry
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| Research Institution | Tokyo Institute of Technology |
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Principal Investigator |
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| Co-Investigator(Kenkyū-buntansha) |
SHOJI Yoshiaki 東京工業大学, 資源化学研究所, 助教 (40525573)
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| Project Period (FY) |
2012-04-01 – 2015-03-31
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| Project Status |
Completed (Fiscal Year 2014)
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| Budget Amount *help |
¥18,330,000 (Direct Cost: ¥14,100,000、Indirect Cost: ¥4,230,000)
Fiscal Year 2014: ¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
Fiscal Year 2013: ¥8,710,000 (Direct Cost: ¥6,700,000、Indirect Cost: ¥2,010,000)
Fiscal Year 2012: ¥6,890,000 (Direct Cost: ¥5,300,000、Indirect Cost: ¥1,590,000)
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| Keywords | へテロ接合 / 自己組織化 / 分子集合体 / 有機半導体 / 有機薄膜太陽電池 / 分子性固体 / 超分子化学 / 有機化学 / ヘテロ接合 / 超分子科学 |
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| Outline of Final Research Achievements |
This research aimed at providing new design strategies to achieve controlled synthesis of organic materials with a nanoscale heterojunction of electronically different molecular units. We developed new organic semiconductors composed of electron donor and acceptor units as a component for donor/acceptor-type polymers applicable to organic solar cells. We found liquid crystalline molecules, having an extended pi-conjugated core and purposely-designed side chains, adopt homeotropic columnar orientation, beneficial for bilayer-type solar cells with a large-area heterojunction. We also showed that a particular space-filling design, relying on 2D nested hexagonal packing of a triptycene derivative allows the formation of large-area thin films with exceptionally long-range 2D structural integrity up to the centimeter length scale. Suitable modification of the triptycene building block would enable precision synthesis of new functional materials with molecular level heterojunctions.
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Report
(4 results)
Research Products
(59 results)
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[Journal Article] Amphiphilic Design of a Discotic Liquid-Crystalline Molecule for Dipole Manipulation: Hierarchical Columnar Assemblies with a 2D Superlattice Structure2013
Author(s)
M.-C. Yeh, Y.-L. Su, M.-C. Tzeng, C. W. Ong, T. Kajitani, H. Enozawa, M. Takata, Y. Koizumi, A. Saeki, S. Seki, T. Fukushima
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Journal Title
Angewandte Chemie International Edition
Volume: 52
Issue: 3
Pages: 1031-1034
DOI
Related Report
Peer Reviewed
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