Natural dyes as sensitizers for dye-sensitized solar cells

被引：0
作者：
Qin, Chu [1 ]
Yang, Dingyu [2 ]
Gu, Peng [2 ]
Zhu, Xinghua [2 ]
Sun, Hui [2 ]
机构：
[1] Sichuan Univ, Coll Mat Sci & Engn, Chengdu 610065, Sichuan, Peoples R China
[2] Chengdu Univ Informat Technol, Coll Optoelect Technol, Chengdu 610225, Sichuan, Peoples R China
来源：
FUNCTIONAL MATERIALS LETTERS | 2018年 / 11卷 / 03期
关键词：
Dye-sensitized solar cells; natural dyes; TiO2; optical characteristics; RED CABBAGE; EXTRACTS; ANTHOCYANINS; PERFORMANCE; ANTIOXIDANT; FLOWERS; PIGMENT; DSSCS;
D O I：
10.1142/S1793604718500510
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The dye-sensitized solar cells (DSSCs) have been fabricated by using a series of natural dyes extracted from euonymus japonicus and purple plants. The optical characteristics and chemical structure of dyes were investigated by UV-visible spectroscopy and Fourier infrared spectroscopy. It is found that the absorption of sunlight and bonding performance to TiO2 electrode of dyes had significantly effects on the conversion efficiency of solar cells. The results show the cells using blueberry as sensitizer achieved best conversion efficiency of 0.218%, attributed to its strong absorption and excellent bonding to the TiO2 electrode, correspondingly, the short-circuit photocurrent density (J(sc)) and open-circuit voltage (V-oc) were 1.3 mA/cm(2) and 430 mV, respectively.
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页数：4
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