High-rigidity quinoxalinyl-based co-sensitizer and co-sensitized solar cell

• Main Authors: ZHANG YONGZHAO, TONG GUOTONG, JIN LIN, WU JIAN, LYU LUPING
• Format: Patent
• Language: Chinese; English
• Published: 05.07.2022
• Subjects: BASIC ELECTRIC ELEMENTS; CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE; ELECTRICITY

The invention discloses a co-sensitizer based on a high-rigidity quinoxaline group. The co-sensitizer comprises a high-rigidity quinoxaline group dye and a ruthenium dye HD-2, the high-rigidity quinoxaline-based dye is a quinoxaline-based dye LY01, a quinoxaline-based dye LY02 and a quinoxaline-based dye LY03. Compared with single HD-2, a battery co-sensitized by the high-rigidity quinoxaline-based dye and the ruthenium dye HD-2 shows higher efficiency, the space between heavy HD-2 molecules can be filled by the adopted high-rigidity quinoxaline-based dye, the TiO2 surface is more effectively covered, and the FF value of the obtained battery is improved. 本发明公开了一种基于高刚性喹喔啉基的共敏化剂，包括高刚性喹喔啉基染料和钌染料HD-2；所述的高刚性喹喔啉基染料为喹喔啉基染料LY01、LY02和LY03。同单独的HD-2相比，用高刚性喹喔啉基染料和钌染料HD-2共敏化的电池表现出更高的效率，所采用的高刚性喹喔啉基染料可以填补笨重的HD-2分子之间的空间，导致在TiO2表面更有效的覆盖，得到电池的FF值都得到了改善。