2010 Fiscal Year Final Research Report
Nano-structural control for higher efficiency organic solar cells
| Project/Area Number |
20360003
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Applied materials science/Crystal engineering
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| Research Institution | University of Tsukuba |
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Principal Investigator |
AKIMOTO Katsuhiro University of Tsukuba, 大学院・数理物質科学研究科, 教授 (90251040)
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| Co-Investigator(Kenkyū-buntansha) |
SAKURAI Takeaki 筑波大学, 大学院・数理物質科学研究科, 講師 (00344870)
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| Project Period (FY) |
2008 – 2010
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| Keywords | 太陽光発電材料 / 太陽電池 / 新エネルギー / 有機半導体 / 有機薄膜 / 光電変換 |
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| Research Abstract |
The effects of the molecular orientation and the electronic structure at the interface between molecule and metal atoms were studied aiming at an improvement of organic solar cell performance. It was found that the molecular orientation is controllable by inserting a thin buffer layer and that the molecular orientation is one of the important factors to improve the device performance. Formation of interface states through an interaction between LUMO and metal atomic orbitals was confirmed by ultraviolet electron spectroscopy and the simulation of density functional theory. It is suggested the interaction between LUMO and metal atomic orbitals plays an important role in electron transport at the metal/molecule interface.
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Research Products
(33 results)
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[Presentation] Study on Electronic Structure of Au, Ag, and Ca-doped Bathocuproine Layers2009
Author(s)
H.Kitazume, S.Toyoshima, T.Sakurai, M.Aoki, S. Masuda, K. Akimoto
Organizer
2009 International Conference on Solid State Devices and Materials (SSDM 2009)
Place of Presentation
Sendai Kokusai Hotel, Sendai, Japan, P-10-15.
Year and Date
2009-10-08
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