Improvement of efficiency and durability of organic thin-film solar cells and expansion of applications.
S11025
★The power of dye-sensitized polymer solar cells that have achieved high efficiency! ★What is the potential of solar cells that can be manufactured by coating and produced at low cost?
Lecturers Part 1: Associate Professor Hideo Okita, Graduate School of Engineering, Kyoto University, Major in Polymer Chemistry Part 2: Associate Professor Kazuhiro Marumoto, Graduate School of Pure and Applied Sciences, University of Tsukuba, Major in Advanced Science of Material Creation Part 3: Hiroaki Yamaoka, General Manager, OPV Business Promotion Office, Mitsubishi Chemical Corporation Target Audience: Researchers and personnel interested in organic thin-film solar cells Venue: 【Tokyo, Chuo Ward】Kyouka Square 2F, High-Tech Center, Conference Room 1 1-minute walk from Exit A3 of Hachobori Station (Tokyo Metro Hibiya Line/JR Keiyo Line) 5-minute walk from Exits A1 and A2 of Takaracho Station (Toei Subway Asakusa Line) Date and Time: October 27, 2011 (Thursday) 11:00 AM - 4:00 PM
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**Lecture 1: Overview of the Presentation** In recent years, polymer solar cells using blend films of conjugated polymers and fullerene derivatives as the active layer have attracted attention as next-generation solar cells. Polymer solar cells can be fabricated through a simple process of applying a solution, and with the application of printing technology, mass production is also possible, which is expected to significantly reduce production costs. For practical application, further improvements in efficiency are required, and capturing near-infrared sunlight is essential for this. This presentation will introduce dye-sensitized polymer solar cells, which are produced from a simple process of mixing three types of materials: conjugated polymers, fullerenes, and phthalocyanine-based dyes that have an absorption band in the near-infrared region, resulting in an expanded light-harvesting range and improved conversion efficiency. **Lecture 3: Overview of the Presentation** Looking ahead, we will discuss organic thin-film solar cells, which are expected to have new developments in the solar cell market. We will focus on a new concept organic thin-film solar cell being developed by Mitsubishi Chemical, outlining its features and milestones toward enhancing the performance of organic solar cells. We will also introduce efforts aimed at market introduction as a next-generation battery in the solar cell market, which is expected to expand.
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Part 1: High Efficiency Technologies in Polymer Thin Film Solar Cells [11:00-12:15] Speaker: Associate Professor Hideo Ohkita, Graduate School of Engineering, Kyoto University [Program] 1. Basics and Latest Trends in Polymer Solar Cells 2. What are Dye-Sensitized Polymer Solar Cells? 3. Multi-Color Dye Sensitization 4. Elucidation of the Dye Sensitization Mechanism 5. Why do Dyes Accumulate at Interfaces? Part 2: Microcharacterization of Organic Thin Film Solar Cells and Mechanisms of Device Performance Degradation [13:15-14:30] Speaker: Associate Professor Kazuhiro Marumoto, Graduate School of Tsukuba University 1. Overview of Organic Electronics 2. Molecular Orbitals of π Electrons in Organic Semiconductor Materials 3. Principles of Electron Spin Resonance (ESR) 4. Microcharacterization of Organic Thin Film Solar Cells Using ESR Part 3: Challenges in High Efficiency and Application Development of Organic Thin Film Solar Cells Speaker: Hiroaki Yamaoka, General Manager, OPV Business Promotion Office, Mitsubishi Chemical Corporation 1. Global Environment and Energy 2. Characteristics of Flexible Thin Film Solar Cells Using α-Si 3. Composition of Organic Thin Film Solar Cells 4. Introduction to Mitsubishi Chemical's Organic Thin Film Solar Cells 5. Applications of Organic Solar Cells
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