Present Status and Future Prospects of Silicon Thin-Film Solar Cells
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概要
- 論文の詳細を見る
In this report, an overview of the recent status of photovoltaic (PV) power generation is first presented from the viewpoint of reducing CO2 emission. Next, the Japanese roadmap for the research and development (R&D) of PV power generation and the progress in the development of various solar cells are explained. In addition, the present status and future prospects of amorphous silicon (a-Si) thin-film solar cells, which are expected to enter the stage of full-scale practical application in the near future, are described. For a-Si single-junction solar cells, the conversion efficiency of their large-area modules has now reached 6--8%, and their practical application to megawatt solar systems has started. Meanwhile, the focus of R&D has been shifting to a-Si and microcrystalline silicon (μc-Si) tandem solar cells. Thus far, a-Si/μc-Si tandem solar cell modules with conversion efficiency exceeding 13% have been reported. In addition, triple-junction solar cells, whose target year for practical application is 2025 or later, are introduced, as well as innovative thin-film full-spectrum solar cells, whose target year of realization is 2050.
- 2011-03-25
著者
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Konagai Makoto
Department Of Electrical & Electronic Engineering Tokyo Institute Of Technology
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Konagai Makoto
Department of Physical Electronics, Graduate School of Science and Engineering, Tokyo Institute of Technology, 2-12-1-S9-9 O-okayama, Meguro, Tokyo 152-8552, Japan
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