Optical study of two-dimensional organic-inorganic perovskite materials for solar cell applications
Project/Area Number |
26600119
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Research Category |
Grant-in-Aid for Challenging Exploratory Research
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Allocation Type | Multi-year Fund |
Research Field |
Optical engineering, Photon science
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Research Institution | Sophia University |
Principal Investigator |
EMA Kazuhiro 上智大学, 理工学部, 教授 (40194021)
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Co-Investigator(Renkei-kenkyūsha) |
KUNUGITA Hideyuki 上智大学, 理工学部, 准教授 (50296886)
TAKEOKA Yuko 上智大学, 理工学部, 准教授 (50338430)
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Research Collaborator |
UDAGAWA Yosuke
KIYOTA Yuki
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Project Period (FY) |
2014-04-01 – 2017-03-31
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Project Status |
Completed (Fiscal Year 2016)
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Budget Amount *help |
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2015: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2014: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
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Keywords | 無機有機ハイブリッド物質 / 励起子 / 太陽電池 / 量子井戸 / 励起子物性 / 層状ペロブスカイト |
Outline of Final Research Achievements |
We studied optical properties in two-dimensional structure (quantum well) of inorganic-organic hybrid perovskite material which attracts much attention in recent years for application to solar cell. Specifically, we studied excitonic properties and solar-power generation for two-dimensional structure, and excitonic properties for three-dimensional structure. Although several reports showed that excitons are absent in the three-dimensional materials, we have evaluated the exciton binding energy by precise optical measurements to be 20 ~ 40 meV for CH3NH3PbBr3 and 10 ~ 20 meV for CH3NH3PbI3. This result indicates that the excitons are stable even at room temperature in CH3NH3PbBr3, and excitons are dissociated in CH3NH3PbI3. Furthermore, we have succeeded in fabrication of the solar cell structure using the two-dimensional structure. We have confirmed that the solar cell shows power generation, although the power conversation efficiency was low at present.
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Report
(4 results)
Research Products
(21 results)
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[Journal Article] Excitonic Feature in Hybrid Perovskite CH3NH3PbBr3 Single Crystals2015
Author(s)
Hideyuki Kunugita, Tsubasa Hashimoto, Yuki Kiyota, Yosuke Udagawa, Yuko Takeoka, Yuiga Nakamura, Junro Sano, Tomonori Matsushita, Takashi Kondo, Tsutomu Miyasaka, and Kazuhiro Ema
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Journal Title
Chem. Lett.
Volume: 44
Issue: 6
Pages: 852-854
DOI
NAID
Related Report
Peer Reviewed / Open Access / Acknowledgement Compliant
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[Presentation] Estimation of the exciton binding energy in CH3NH3PbBr3 Single Crystal2016
Author(s)
Yosuke Udagawa, Yuki Kiyota, Hideyuki Kunugita, Yuko Takeoka, Yuiga Nakamura, Junro Sano, Tomonori Matsushita, Takashi, Kondo, and Kazuhiro Ema
Organizer
XXV International Materials Research Congress (IMRC)
Place of Presentation
Cancun, Mexico
Year and Date
2016-08-14
Related Report
Int'l Joint Research
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[Presentation] 有機無機ペロブスカイト化合物の励起子物性2015
Author(s)
清田祐貴, 宇田川洋祐, 中村唯我, 佐野惇郎, 松下智紀, 欅田英之, 竹岡裕子, 近藤高志, 江馬一弘
Organizer
日本物理学会2015年秋季大会
Place of Presentation
関西大学千里山キャンパス
Year and Date
2015-09-16
Related Report
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[Presentation] Optical and excitonic properties in lead-halide-based perovskite-type crystals CH3NH3PbBr32015
Author(s)
T. Hashimoto, Y. Kiyota, Y. Udagawa, R. Ishii, Y. Kagaya, H. Kunugita, Y. Takeoka, K. Ema, Y. Nakamura, J. Sano, T. Matsushita, T. Kondo, and T. Miyasaka
Organizer
Fourth International Conference on Multifunctional, Hybrid and Nanomaterials (Hybrid Materials 2015)
Place of Presentation
Sitges, Spain
Year and Date
2015-03-09 – 2015-03-13
Related Report
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