From salmon pink to blue natural sensitizers for solar cells: Canna indica L., Salvia splendens, cowberry and Solanum nigrum L.

被引：86
作者：
Luo, Peihui [1 ]
Niu, Haijun [1 ,2 ]
Zheng, Gang [1 ]
Bai, Xuduo [1 ]
Zhang, Milin [2 ]
Wang, Wen [3 ]
机构：
[1] Heilongjiang Univ, Key Lab Funct Macromol Chem, Key Lab Funct Inorgan Mat Chem, Minist Educ, Harbin 150080, Peoples R China
[2] Harbin Engn Univ, Coll Mat Sci & Chem Engn, Harbin 150001, Peoples R China
[3] Harbin Inst Technol, Sch Mat Sci & Engn, Harbin 150001, Peoples R China
来源：
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY | 2009年 / 74卷 / 04期
基金：
美国国家科学基金会; 中国博士后科学基金;
关键词：
Natural dye-sensitized solar cell; Canna indica L; Salvia splendens; Cowberry; Solarium nigrum L; NANOCRYSTALLINE TIO2 FILMS; SOLID-STATE; EFFICIENT PHOTOSENSITIZATION; DYE; ANTHOCYANINS; PIGMENTS; ELECTRODES; DIFFUSION; IMPEDANCE; FLOWERS;
D O I：
10.1016/j.saa.2009.08.039
中图分类号：
O433 [光谱学];
学科分类号：
0703 ; 070302 ;
摘要：
Study on dye-sensitized solar cells (DSSCs) with extracts of Canna indica L. Salvia splendens, Solanum nigrum L. as sensitizeis is firstly reported in this paper. DSSCs were assembled by using natural dyes extracted from C indica L.. S. splendens, cowberry and S. nigrum L. as sensitizers. I he energy conversion efficiency or the cells sensitized with dyes of C. indica L. S splendens. cowberry and S nigrum L. was 0.29%. 0.26%. 0.13% and 0.31%. respectively. A novel technique was taken to fabricate TiO(2). electrode films by electrophoresis, We present FTIR and UV-vis spectroscopy studies Of Structures and light absorption of these four kinds of natural dyes. The electrochemical impedance spectroscopy (EIS) Was used to analyze the interface resistance of cells. The result indicated that high resistance existed in the interfaces of cell with cowberry extract as sensitizer. (C) 2009 Elsevier B.V. All rights reserved
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页码：936 / 942
页数：7
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