BRITTLE MATERIAL FILM AND MANUFACTURING METHOD THEREOF, PHOTOELECTRODE, AND DYE-SENSITIZED SOLAR CELL

• Main Authors: IIJIMA KEISUKE, SUZUKI TAKASHI, TOKITA DAISUKE
• Format: Patent
• Language: English; Japanese
• Published: 26.03.2020
• Subjects: BASIC ELECTRIC ELEMENTS; CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE; ELECTRICITY

To provide, for example, a brittle material film capable of further increasing the power generation efficiency of a dye-sensitized solar cell, a manufacturing method thereof, a photoelectrode having the brittle material film, and a dye-sensitized solar cell having the photoelectrode.SOLUTION: A brittle material film 1 is made of a brittle material, and has a surface roughness of 0.3 μm or more in center line average roughness Ra and 200 μm or less in average length RSm of a roughness curve element.SELECTED DRAWING: Figure 1 【課題】例えば、色素増感型太陽電池の発電効率をさらに高めることができる脆性材料膜およびその製造方法、その脆性材料膜を有する光電極、その光電極を有する色素増感型太陽電池を提供する。【解決手段】脆性材料膜１は、脆性材料からなり、表面粗さが、中心線平均粗さＲａで０．３μｍ以上であり、粗さ曲線要素の平均長さＲＳｍで２００μｍ以下である。【選択図】図１