Novel D-π-A dye as a co-sensitizer of indoline and benzothiadiazole dyes to enhance photovoltaic performance of dye-sensitized solar cells

被引：4

作者：

Gezgin, Merve ^{[1
]}

Arslan, Bans Seckin ^{[1
]}

Avci, Davut ^{[2
]}

Nebioglu, Mehmet ^{[1
,3
]}

Sisman, Iikay ^{[1
,3
]}

机构：

[1] Sakarya Univ, Fac Sci, Dept Chem, TR-54050 Sakarya, Turkiye

[2] Sakarya Univ, Fac Sci, Dept Phys, TR-54050 Sakarya, Turkiye

[3] Sakarya Univ, Biomed Magnet & Semicond Mat Res Ctr BIMAS RC, TR-54050 Sakarya, Turkiye

来源：

JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY | 2025年 / 458卷

关键词：

Solar energy conversion; Dye-sensitized solar cells; D-it-A dye; Co-sensitization; DFT; EXCITON BINDING-ENERGY; ORGANIC-DYE; CHARGE RECOMBINATION; EFFICIENCY; PORPHYRIN; ABSORPTION;

D O I：

10.1016/j.jphotochem.2024.115977

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A novel D-it-A type of dye (BIM33) comprising diphenylamine as electron donor, diphenylacridine as a it-bridge and cyanoacrylic acid as an anchoring unit has been synthesized and used as sensitizer and co-sensitizer in dyesensitized solar cells (DSSCs). The DSSC based on BIM33 achieved a power conversion efficiency (PCE) of 3.19 % under one sun (AM 1.5G). To improve the photovoltaic performance of the DSSCs, this orange dye was also cosensitized with red benzothiadiazole (C1) and purple indoline (D205) organic dyes. The DSSCs based on cosensitizers BIM33/D205 and BIM33/C1 showed superior PCEs of 6.57 % (JSC = 13.69 mA cm- 2, VOC = 0.766 V, and FF = 0.63) and 6.82 % (JSC = 14.47 mA cm- 2, VOC = 0.722 V, and FF = 0.65), respectively, exhibiting significant improvements of 28 % and 36 % compared to the DSSCs based on D205 and C1, respectively. The high photovoltaic performance of the co-sensitized DSSCs may be explained by the broader visible light absorption and a denser packing of the dyes on the TiO2 surface.

引用

页数：9

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