A New Unsymmetrical Zinc Phthalocyanine as Photosensitizers for Dye-sensitized Solar Cells

被引：17

作者：

Zhang, Dan ^{[1
]}

Zhang, Xue-Jun ^{[1
]}

Zhang, Lei ^{[1
]}

Mao, Li-Jun ^{[1
]}

机构：

[1] N Univ China, Dept Chem, Coll Sci, Taiyuan 030051, Shanxi, Peoples R China

来源：

BULLETIN OF THE KOREAN CHEMICAL SOCIETY | 2012年 / 33卷 / 04期

关键词：

Phthalocyanine; Unsymmetrical; Dye-sensitized solar cells; Electrochemistry; NANOCRYSTALLINE TIO2 FILMS; NEAR-IR SENSITIZATION; TITANIA FILMS; EFFICIENT; ELECTRODES; PORPHYRINS; CO;

D O I：

10.5012/bkcs.2012.33.4.1225

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A new unsymmetrical zinc phthalocyanine has been designed and synthesized based on the 'push-pull' and extended pi-conjugation concept for the dye-sensitized solar cells. Three tert-butoxy groups, which act as electron releasing ('push'), enhance the solubility of phthalocyanine in common organic solvents and reduce the aggregation. Hydroxy substituted 9,10-anthraquinones act as electron acceptors ('pull') for the study of photoinduced electron transfer processes as well as grafting onto nanocrystalline TiO2. The new unsymmetrical zinc phthalocyanine was fully characterized by FTIR, UV-vis, H-1 NMR, cyclic voltammetry and differential pulse voltammetry. The new sensitizer was tested in dye-sensitized solar cells, and gave a better performance.

引用

页码：1225 / 1230

页数：6

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