成果報告書詳細
管理番号20130000000661
タイトル*平成24年度中間年報 太陽エネルギー技術研究開発 太陽光発電システム次世代高性能技術の開発 ドレスト光子利用太陽電池技術の研究開発(3)
公開日2014/5/9
報告書年度2012 - 2012
委託先名国立大学法人東京大学
プロジェクト番号P07015
部署名新エネルギー部
和文要約
英文要約Title: Development of a dressed-photon-assisted solar cell technology (FY2012-FY2013) FY2012 Annual Report

1) Research and development of dressed-photon-assisted front films. (a) Development of dressed-photon-assisted front films technology. 1. The dressed photon films with the size of 10mm×10mm were fabricated. They are made from Silicon resin (a host material), ZnO quantum dots (guest material) and Dye molecule (guest material). Their absorption and photoluminescence spectrum were measured. As a result, we estimated the performance gain of the fabricated dressed photon front film was +0.8% for the Si solar cell with the efficiency of 20%. 2. We also fabricated the dressed photon films with the diameter of 4 inches. 3. The technical know-how of the dressed photon film was transferred to the NPO Research Institute of Nanophotonics and Mitsubishi Chemical Corporation. 2) Research and development of technologies for improving infrared light conversion efficiency of organic thin film solar cells. 1. The technical know-how of deposition method of the electrode of the organic thin-film solar cell was transferred to Mitsubishi Chemical Corporation. 2. The deposition of the electrode was tested using conventional spattering machine. The deposition method of the electrode using dressed photon requires DC bias voltage to the deposited organic thin-film solar cell and laser irradiation during the process. Therefore, the special spattering machine was prepared for the optimization of this process. 3) Research and development of technologies for evaluating dressed-photon-assisted solar cells. 1. Estimation method of the performance gain of dressed photon front films were established from their absorption spectra for the monochromatic light and broad band white light. 2. The method of extraction of significant structure from the electrode of the organic thin-film solar cell was developed using the interferometer measurement. 3. The Finite-difference time-domain method was stated using the experimental result of the 3)-2 for more efficiently electrode. 4. Increase in the efficiency of organic thin-film solar cell with the electrode deposited using dressed photon was confirmed for the red-light longer than the detection range of the organic thin-film solar cell with conventional electrode. 4) Feasibility study on improving efficiency of dressed-photon-assisted crystal silicon solar cells. 1. Photo-diode using single crystal silicon was fabricated as a small sized solar cell using our proposed annealing method using dressed photon. 2. The sensitivity for the infrared region (>1150nm) of the fabricated silicon photo-diode increased and was more than 3 times as high as that of the commercial photo-diode.
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