High stability photosensitizers for dye-sensitized solar cells: Synthesis, characterization and optical performance

被引：19

作者：

Hosseinnezhad, Mozhgan ^{[1
,2
]}

Movahedi, Javad ^{[3
]}

Nasiri, Sohrab ^{[4
]}

机构：

[1] Inst Color Sci & Technol, Dept Organ Colorants, POB 16656118481, Tehran, Iran

[2] Inst Color Sci & Technol, Ctr Excellence Color Sci & Technol, POB 16656118481, Tehran, Iran

[3] Shahrood Univ Technol, Dept Phys, POB 36155-316, Shahrood, Iran

[4] Kaunas Univ Technol, Dept Polymer Chem & Technol, Radvilenu Pl 19, LT-50254 Kaunas, Lithuania

来源：

OPTICAL MATERIALS | 2020年 / 109卷

关键词：

Donating substituents; Photosensitizer; DSSCs; Thioindigo; Performance; ANCHORING GROUP; ORGANIC-DYES; ZNO; EFFICIENCY; NANOPARTICLES; ACID;

D O I：

10.1016/j.optmat.2020.110198

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The output of various donating substituents on the optical behavior of new photosensitizers in the solar cells was investigated. The pure intermediates and dyes were identified via an analytical procedure and confirmed the chemical structure. Zinc oxide and titanium dioxide were operated to fabricate the nanocrystalline layer of the solar cells. The UV-Visible spectra of all synthesized dyes on ZnO and TiO2 illustrated blue shift due to the J-aggregation of organic dyes on the semiconductor substrate. To predict the usability of dyes in the structure of the solar cells, two methods, DFT and CV were employed. Finally, the DSSCs devices were prepared based on synthesized dyes and ZnO or TiO2. The highest photocurrent was achieved for individual device-TiO2 sensitized with Dye 2 containing thioindigo and cyanoacrylic acid. The operation of photovoltaic device based on zinc oxide was lower than that of titanium dioxide.

引用

页数：8

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