Rational Molecular Design for Highly Efficient Dye-Sensitized Solar Cells

2011 Fiscal Year Final Research Report

• Project/Area Number: 21350100
• Research Category: Grant-in-Aid for Scientific Research (B)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Functional materials/Devices
• Research Institution: Kyoto University
• Principal Investigator: IMAHORI Hiroshi 京都大学, 物質-細胞統合システム拠点, 教授 (90243261)
• Co-Investigator(Kenkyū-buntansha): UMEYAMA Tomokazu 京都大学, 工学研究科, 助教 (30378806)
• Project Period (FY): 2009 – 2011
• Keywords: 有機太陽電池 / 色素増感太陽電池 / ポルフィリン / ペリレン / オリゴチオフェン / フタロシアニン / 半導体電極 / 電子移動

Research Abstract

Recently, dye-sensitized solar cells have attracted much attention relevant to global environmental issues. Thus far, ruthenium(II) bipyridyl complexes have proven to be the most efficient TiO2 sensitizers in dye-sensitized solar cells. However, a gradual increment in the highest power conversion efficiency has been recognized in the past decade. More importantly, considering that ruthenium is a rare metal, novel dyes without metal or using inexpensive metal are desirable for highly efficient dye-sensitized solar cells. Largeπ-aromatic molecules, such as porphyrins, phthalocyanines, and perylenes, are important classes of potential sensitizers for highly efficient dye-sensitized solar cells, owing to their photostability and high light-harvesting capabilities that can allow applications in thinner, low-cost dye-sensitized solar cells. They were found to be promising as sensitizers for highly efficient dye-sensitized solar cells.

Research Products

• [Journal Article] Self-Assembled Porphyrins on Modified Zinc Oxide Nanorods : Development of Model Systems for Inorganic-Organic Semiconductor Interface Studies, H. Saarenpaa, E. Sariola-Leikas, A. Pyymaki-Perros (2012)
  • Author(s): J. Kontio, A. Efimov, H. Hayashi, H. Lipsanen, H. Imahori, H. Lemmetyinen, and N. V. Tkachenko
  • Journal Title: J. Phys. Chem. C Volume: 116 Pages: 2336-2343
  • DOI: DOI:10.1021/jp2104769
  • Peer Reviewed
• [Journal Article] Optical, Electrochemical, and Photovoltaic Effects of an Electron-Withdrawing Tetrafluoro phenylene Bridge in a Push-Pull Porphyrin Sensitizer used for Dye-Sensitized Solar Cells (2011)
  • Author(s): M. Simon, H. Iijima, Y. Toude, T. Umeyama, Y. Matano, S. Ito, N. V. Tkachenko, H. Lemmetyinen, and H. Imahori
  • Journal Title: J. Phys. Chem. C Volume: 115 Pages: 14415-14424
  • DOI: DOI:10.1021/jp2030208
  • Peer Reviewed
• [Journal Article] Bisquinoxaline-Fused Porphyrins for Dye-Sensitized Solar Cells (2011)
  • Author(s): H. Imahori, H. Iijima, H. Hayashi, Y. Toude, T. Umeyama, Y. Matano, and S. Ito
  • Journal Title: Chem Sus Chem Volume: 4 Pages: 797-805
  • DOI: DOI:10.10002/cssc.201100029
  • Peer Reviewed
• [Journal Article] Electron Transfer Cascade by Organic/Inorganic Ternary Composites of Porphyrin, Zinc Oxide Nanoparticle, and Reduced Graphene Oxide on Tin Oxide Electrode that Exhibits Efficient Photocurrent Generation (2011)
  • Author(s): H. Hayashi, I. V. Light cap, M. Tsujimoto, M. Takano, T. Umeyama, P. V. Kamat, and H. Imahori
  • Journal Title: J. Am. Chem. Soc Volume: 133 Pages: 7684-7687
  • DOI: DOI:10.1021/ja201813n
  • Peer Reviewed
• [Journal Article] Photo induced Charge Carrier Dynamics of Zn-Porphyrin-TiO2 Electrodes-the Key Role of Charge Recombination for Solar Cell Performance (2011)
  • Author(s): H. Imahori, S. Kang, H. Hayashi, M. Haruta, H. Kurata, S. Isoda, S. E. Canton, Y. Infahsaeng, A. Kathiravan, T. Pascher, P. Chabera, A. P. Yartsev, and V. Sundstrom
  • Journal Title: J. Phys. Chem. A Volume: 115 Pages: 3679-3690
  • DOI: DOI:10.1021/jp103747t
  • Peer Reviewed
• [Journal Article] Tunable, Strongly-Donating Perylene Photosensitizers for Dye-Sensitized Solar Cells (2011)
  • Author(s): S. Mathew and H. Imahori
  • Journal Title: J. Mater. Chem. Volume: 21 Pages: 7166-7174
  • DOI: DOI:10.1039/c1jm10993f
  • Peer Reviewed
• [Journal Article] Carbon Nanotube Wiring of Donor-Acceptor Nanograins by Self-Assembly and Efficient Charge Transport (2011)
  • Author(s): T. Umeyama, N. Tezuka, F. Kawashima, S. Seki, Y. Matano, Y. Nakao, T. Shishido, M. Nishi, K. Hirao, H. Lehtivuori, N. V. Tkachenko, H. Lemmetyinen, and H. Imahori
  • Journal Title: Angew. Chem. Int. Ed. Volume: 50 Pages: 4615-4619
  • DOI: DOI:10.1002/anie.201007065
  • Peer Reviewed
• [Journal Article] Enhanced Photocurrent Generation bySemiconducting Single Walled Carbon Nanotube Enriched Thin Film (2011)
  • Author(s): L. Wei, N. Tezuka, T. Umeyama, H. Imahori, and Y. Chen
  • Journal Title: Nanoscale Volume: 3 Pages: 1845-1849
  • DOI: DOI:10.1039/c0nr00986e
  • Peer Reviewed
• [Journal Article] Stoichiometric Complexation of Supramolecular Composites for Organic Solar Cells Revealed by Solid-State NMR (2011)
  • Author(s): H. Kaji, H. Hayashi, T. Yamada, M. Ueda, S. Kang, T. Umeyama, Y. Matano, and H. Imahori
  • Journal Title: Appl. Phys. Lett. Volume: 98 Pages: 113301
  • DOI: DOI:10.1063/1.3565237
  • Peer Reviewed
• [Journal Article] Photo physics and Photo electrochemical Properties of Nanohybrids Consisting of Fullerene-Encapsulated Single-Walled Carbon Nanotubes and Poly-(3-hexyl-thiophene) (2011)
  • Author(s): N. Tezuka, T. Umeyama, Y. Matano, T. Shishido, K. Yoshida, T. Ogawa, S. Isoda, K. Stranius, V. Chukharev, N. V. Tkachenko, H. Lemmetyinen, and H. Imahori
  • Journal Title: Energy Environ. Sci Volume: 4 Pages: 741-750
  • DOI: DOI:10.1039/c0ee00482k
  • Peer Reviewed
• [Journal Article] Good Solvent Effects of C70 Cluster Formations and Their Electron-Transporting and Photo electrochemical Properties (2010)
  • Author(s): N. Tezuka, T. Umeyama, Y. Matano, T. Shishido, M. Kawasaki, M. Nishi, K. Hirao, H. Lehtivuori, N. V. Tkachenko, H. Lemmetyinen, Y. Honsho, S. Seki, and H. Imahori
  • Journal Title: J. Phys. Chem. B Volume: 114 Pages: 14287-14297
  • DOI: DOI:10.1021/jp911141s
  • Peer Reviewed
• [Journal Article] Fabrication of Dye-Sensitized Solar Cells Using Natural Dye for Food Pigment : Monascus Yellow (2010)
  • Author(s): S. Ito, T. Saitou, H. Imahori, H. Uehara, and N. Hasegawa
  • Journal Title: Energy Environ. Sci. Volume: 3 Pages: 905-909
  • DOI: DOI:10.1039/c000869a
  • Peer Reviewed
• [Journal Article] Effects ofπ-Elongation and Fused Position of Quinoxaline-Fused Porphyrins as Sensitizers in Dye-Sensitized Solar Cells on Optical, Electrochemical, and Photovoltaic Properties (2010)
  • Author(s): A. Kira, Y. Matsubara, H. Iijima, T. Umeyama, Y. Matano, S. Ito, M. Niemi, N. V. Tkachenko, H. Lemmetyinen, and H. Imahori
  • Journal Title: J. Phys. Chem. C Volume: 114 Pages: 11293-11304
  • DOI: DOI:10.1021/jp1004049
  • Peer Reviewed
• [Journal Article] Effects of meso-Diarylamino Group of Porphyrins as Sensitizers in Dye-Sensitized Solar Cells on Optical, Electrochemical, and Photovoltaic Properties (2010)
  • Author(s): H. Imahori, Y. Matsubara, H. Iijima, T. Umeyama, Y. Matano, S. Ito, M. Niemi, N. V. Tkachenko, and H. Lemmetyinen
  • Journal Title: J. Phys. Chem. C Volume: 114 Pages: 10656-10665
  • DOI: DOI:10.1021/jp102486b
  • Peer Reviewed
• [Journal Article] Selective Formation and Efficient Photocurrent Generation of[70] Fullerene-Single-Walled Carbon Nanotube Composites (2010)
  • Author(s): T. Umeyama, N. Tezuka, S. Seki, Y. Matano, M. Nishi, K. Hirao, H. Lehtivuori, N. V. Tkachenko, H. Lemmetyinen, Y. Nakao, S. Sakaki, and H. Imahori
  • Journal Title: Adv. Mater Volume: 22 Pages: 1767-1770
  • DOI: DOI:10.1002/adma.200903056
  • Peer Reviewed
• [Journal Article] Oligothiophene Bearing 1-Oxo-1-hydroxydithieno[2, 3-b : 3', 2'-d] phosphole as Novel Anchoring Group for Dye-sensitized Solar Cells (2010)
  • Author(s): A. Kira, Y. Shibano, S. Kang, H. Hayashi, T. Umeyama, Y. Matano, and H. Imahori
  • Journal Title: Chem. Lett. Volume: 39 Pages: 448-450
  • DOI: DOI:10.1246/cl.2010.448
  • Peer Reviewed
• [Journal Article] Comparison of Cluster Formation, Film Structure, Microwave Conductivity, and Photoelectrochemical Properties of Composites Consisting of Single-Walled Carbon Nanotubes with C_<60>, C_<70>, and C_<84> (2010)
  • Author(s): N. Tezuka, T. Umeyama, S. Seki, Y. Matano, M. Nishi, K. Hirao, H. Lehtivuori, N. V. Tkachenko, H. Lemmetyinen, Y. Nakao, S. Sakaki, and H. Imahori
  • Journal Title: J. Phys. Chem. C Volume: 114 Pages: 3235-3247
  • DOI: DOI:10.1021/jp910832a
  • Peer Reviewed
• [Journal Article] Effects of Porphyrin Substituents and Adsorption Conditions on Photovoltaic Properties of Porphyrin-Sensitized TiO2 Cells (2009)
  • Author(s): H. Imahori, S. Hayashi, H. Hayashi, A. Oguro, S. Eu, T. Umeyama, and Y. Matano
  • Journal Title: J. Phys. Chem. C Volume: 113 Pages: 18406-18413
  • DOI: DOI:10.1021/jp907288h
  • Peer Reviewed
• [Journal Article] Effects of Electrode Structures on Photoelectrochemical Properties of ZnO Electrodes Modified with Porphyrin-Fullerene Composite Layers with Intervening Fullerene Monolayer (2009)
  • Author(s): H. Hayashi, A. Kira, T. Umeyama, Y. Matano, P. Charoensirithavorn, T. Sagawa, S. Yoshikawa, N. V. Tkachenko, H. Lemmetyinen, and H. Imahori
  • Journal Title: J. Phys. Chem. C Volume: 113 Pages: 10798-10806
  • DOI: DOI:10.1021/jp902623g
  • Peer Reviewed
• [Presentation] Novel Synthetic Strategy for Organic Solar Cells (2012)
  • Author(s): H. Imahori
  • Organizer: The 30th Korea University Memorial Celebration International Conference on Frontier Photo science and Functional Materials
  • Place of Presentation: Sejong, Korea
  • Year and Date: 20120603-05
• [Presentation] Rational Design of Organic Materials for Solar Energy Applications (2012)
  • Author(s): H. Imahori
  • Organizer: 243th American Chemical Society National Meeting
  • Place of Presentation: San Diego
  • Year and Date: 20120325-29
• [Presentation] Porphyrin-Based Organic Photovoltaics (2011)
  • Author(s): H. Imahori
  • Organizer: 2^<nd> International Conference on Green & Sustainable Chemistry 2011
  • Place of Presentation: Singapore, November
  • Year and Date: 20111416
• [Presentation] Rational Materials Design and Strategy for Organic Electronics and Solar Energy Conversion (2011)
  • Author(s): H. Imahori
  • Organizer: International Conference, Next Generation Solar Energy, From Fundamentals to Applications
  • Place of Presentation: Schloss Erlangen, Germany
  • Year and Date: 20111212-14
• [Presentation] Rational Materials Design and Strategy for Organic Electronics and Solar Energy Conversion (2011)
  • Author(s): H. Imahori
  • Organizer: First International Conference on Bioinspired Materials for Solar Energy Utilization
  • Place of Presentation: Chania, Crete, Greece, September
  • Year and Date: 20110912-17
• [Presentation] 光電変換材料を指向したナノカーボン材料の開発 (2011)
  • Author(s): 今堀博
  • Organizer: CREST有機太陽電池シンポジウム
  • Place of Presentation: 京都大学宇治キャンパス
  • Year and Date: 20110715-16
• [Presentation] Supramolecular Approach for Solar Energy Conversion (2011)
  • Author(s): H. Imahori
  • Organizer: Nanotechnology and Printed Electronics International Symposium2011(NanoPrint 2011)
  • Place of Presentation: Nanyang Technological University, Singapore
  • Year and Date: 20110704-05
• [Presentation] Porphyrins and Phthalocyanines for Dye-Sensitized Solar Cells (2011)
  • Author(s): H. Imahori
  • Organizer: 219th Meeting of The Electrochemical Society
  • Place of Presentation: Montreal
  • Year and Date: 20110501-06
• [Presentation] Artificial Photosynthesis and Solar Energy Conversion (2011)
  • Author(s): H. Imahori
  • Organizer: 3eme Cycle-Vortrag Swiss Lectureship
  • Year and Date: 20110314-18
• [Presentation] 有機材料を用いた人工光合成 (2011)
  • Author(s): 今堀博
  • Organizer: 第122回微小光学研究会
  • Place of Presentation: 京都工芸繊維大学
  • Year and Date: 2011-12-02
• [Presentation] 自己組織化と光電荷分離・電荷輸送機能発現 (2011)
  • Author(s): 今堀博
  • Organizer: 第1回実験化学との交流シンポジウム
  • Place of Presentation: 京都大学福井謙一記念センター
  • Year and Date: 2011-11-11
• [Presentation] ナノカーボン材料の化学修飾と光機能化 (2011)
  • Author(s): 今堀博
  • Organizer: 第30回無機高分子シンポジウム
  • Place of Presentation: 東京理科大学記念講堂神楽坂キャンパス
  • Year and Date: 2011-06-17
• [Presentation] Carbon Nanostructures and Aromatic・Systems for Artificial Photosynthesis and Solar Energy Conversion, Honorary Applied Chemistry Lecture Series (2011)
  • Author(s): H. Imahori
  • Organizer: Changchun Institute of Applied Chemistry, Chinese Academy of Sciences
  • Place of Presentation: Changchun, China
  • Year and Date: 2011-04-07
• [Presentation] Carbon Nanostructures for Photochemistry and Solar Energy Conversion (2010)
  • Author(s): H. Imahori
  • Organizer: Pacifichem 2010
  • Place of Presentation: Hawaii, USA
  • Year and Date: 20101215-20
• [Presentation] Nanocarbon Materials for Artificial Photosynthesis and Solar Energy Conversion (2010)
  • Author(s): H. Imahori
  • Organizer: International Symposium on the Chemistry of Synthetic Carbon Allotropes
  • Place of Presentation: Erlangen, Germany
  • Year and Date: 20101125-26
• [Presentation] Fullerenes for Artificial Photosynthesis and Solar Energy Conversion (2010)
  • Author(s): H. Imahori
  • Organizer: Fullerene Silver Anniversary Symposium
  • Place of Presentation: Hersonissos, Crete, Greece
  • Year and Date: 20101004-10
• [Presentation] Nanostructured Materials for Efficient Solar Energy Conversion (2010)
  • Author(s): H. Imahori
  • Organizer: IEEE NANO2010
  • Place of Presentation: Seoul, Korea
  • Year and Date: 20100817-20
• [Presentation] 高効率分子太陽電池を目指した分子創製 (2010)
  • Author(s): 今堀博
  • Organizer: CREST有機太陽電池シンポジウム
  • Place of Presentation: 京都大学宇治キャンパス
  • Year and Date: 20100716-17
• [Presentation] Porphyrins as Promising Donors in Molecular Photovoltaics (2010)
  • Author(s): H. Imahori
  • Organizer: Sixth International Conference on Porphyrins and Phthalocyanines
  • Place of Presentation: New Mexico
  • Year and Date: 20100704-09
• [Presentation] Rational Molecular Design for Efficient Solar Energy Conversion (2010)
  • Author(s): H. Imahori
  • Organizer: 18thInternational Conference on Photochemical Conversion and Storage of Solar Energy(IPS18)
  • Place of Presentation: Seoul, Korea
  • Year and Date: 20100625-30
• [Presentation] Nanocarbon-Based Photo electrochemical and Photovoltaic Devices (2010)
  • Author(s): H. Imahori
  • Organizer: 213th Meeting of The Electrochemical Society
  • Place of Presentation: Vancouver
  • Year and Date: 20100425-30
• [Presentation] Porphyrin Conjugated Coplymers for Bulk Heterojunction Solar Cells (2010)
  • Author(s): H. Imahori
  • Organizer: 213th Meeting of The Electrochemical Society
  • Place of Presentation: Vancouver
  • Year and Date: 20100425-30
• [Presentation] Porphyrins and Nanocarbon Materials for Dye-Sensitized Solar Cells (2010)
  • Author(s): H. Imahori
  • Organizer: The 11^<th> International Symposium on Eco-Materials Processing and Design
  • Place of Presentation: Sakai
  • Year and Date: 20100109-12
• [Presentation] Synthetic Approaches toward the Development of Highly Efficient Molecular Photovoltaics (2009)
  • Author(s): H. Imahori
  • Organizer: MRS meeting
  • Place of Presentation: Boston, USA
  • Year and Date: 20091129-1204
• [Presentation] Synthetic Challenge for Efficient Solar Energy Conversion (2009)
  • Author(s): H. Imahori
  • Organizer: 2009 International Symposium of Dye-Sensitized Solar Cells
  • Place of Presentation: Chung-Li, Taiwan
  • Year and Date: 20091022-23
• [Presentation] Molecular Engineering for Highly Efficient Organic Solar Cells (2009)
  • Author(s): H. Imahori
  • Organizer: The 4thKorea-Japan Bilateral Workshop on Dye-Sensitized and Organic Solar Cells
  • Place of Presentation: Seoul, Korea
  • Year and Date: 20090824-25
• [Presentation] Large・Aromatic Molecules as Sensitizers in Dye-Sensitized Solar Cells (2009)
  • Author(s): H. Imahori
  • Organizer: The Sixth China International Conference on High-Performance Ceramics
  • Place of Presentation: Harbin, China
  • Year and Date: 20090816-19
• [Presentation] Artificial Photosynthetic Mimics (2009)
  • Author(s): H. Imahori
  • Organizer: The Fifth iCeMS International Symposium
  • Place of Presentation: Kyoto, Japan
  • Year and Date: 20090727-28
• [Presentation] Artificial Photosynthetic Mesomaterials for Solar Energy Conversion (2009)
  • Author(s): H. Imahori
  • Organizer: The Fourth iCeMS International Symposium
  • Place of Presentation: Kyoto, Japan
  • Year and Date: 20090527-29
• [Presentation] Arrangement of Fullerenes on Sidewall of Single-Walled Carbon Nanotubes (2009)
  • Author(s): H. Imahori
  • Organizer: 211th Meeting of The Electrochemical Society
  • Place of Presentation: San Francisco
  • Year and Date: 20090524-28
• [Presentation] Self-Assembly of Amphiphilic Porphyrins (2009)
  • Author(s): H. Imahori
  • Organizer: 211th Meeting of The Electrochemical Society
  • Place of Presentation: San Francisco, USA
  • Year and Date: 20090524-28
• [Presentation] 化学の観点からの有機太陽電池設計 (2009)
  • Author(s): 今堀博
  • Organizer: 第56回応用物理学関係連合講演会
  • Place of Presentation: 筑波大学
  • Year and Date: 20090330-0402
• [Presentation] Molecular Design of Nanostructured Interfaces for Solar Energy Conversion (2009)
  • Author(s): H. Imahori
  • Organizer: The4th East Asia Symposium on Functional Dyesand Advanced Materials(EAS4)
  • Place of Presentation: Osaka, Japan
  • Year and Date: 20090102-0605
• [Presentation] 高効率有機太陽電池を目指した基本原理の解明 (2009)
  • Author(s): 今堀博
  • Organizer: CREST有機太陽電池シンポジウム
  • Place of Presentation: 京都
  • Year and Date: 2009-07-13
• [Book] Multiporphyrin Arrays (2012)
  • Author(s): H. Imahori
  • Total Pages: 439-498
  • Publisher: Singapore
• [Book] Fullerenes (2012)
  • Author(s): H. Imahori and T. Umeyama
  • Publisher: RSC Publishing
• [Book] Handbook of Carbon Nano Materials (2012)
  • Author(s): H. Imahori and T. Umeyama
  • Total Pages: 593-636
  • Publisher: Singapore
• [Book] Comprehensive Nanoscience and Technology (2012)
  • Author(s): H. Imahori, and V. Sundstrom
  • Total Pages: 325-359
  • Publisher: Academic Press
• [Book] Chemistry of Nanocarbons (2012)
  • Author(s): H. Imahori, D. M. Guldi, and S. Fukuzumi
  • Total Pages: 93-127
  • Publisher: John Wiley & Sons
• [Book] 化学マスター講座 (2010)
  • Author(s): 今堀博, 金光義彦, 有賀克彦
  • Publisher: 丸善
• [Book] 人工光合成と有機太陽電池 (2010)
  • Author(s): 今堀博
  • Total Pages: 74-80
  • Publisher: 化学同人
• [Book] Progress in Nano-Electro-Optics VII (2010)
  • Author(s): H. Imahori and T. Umeyama
  • Total Pages: 37-72
  • Publisher: Springer
• [Book] 超分子サイエンス & テクノロジー (2009)
  • Author(s): 今堀博, 梅山有和
  • Total Pages: 647-656
  • Publisher: エヌ・ティー・エス
• [Book] 有機薄膜太陽電池の最新技術II (2009)
  • Author(s): 梅山有和, 今堀博
  • Total Pages: 131-139
  • Publisher: CMC
• [Book] Bottom-up Nanofabrication (2009)
  • Author(s): H. Imahori and T. Umeyama
  • Total Pages: 347-373
  • Publisher: American Scientific Publishers
• [Remarks]
  • URL: http://www.moleng.kyoto-u.ac.jp/%7Emoleng_05/index.html
• [Patent(Industrial Property Rights)] 新規なポルフィリン錯体およびその用途 (2010)
  • Inventor(s): 今堀博
  • Industrial Property Rights Holder: 京都大学
  • Industrial Property Number: 特許、特願2010-053679
  • Filing Date: 2010-03-10