Dye-sensitized solar cells with natural dyes extracted from rose petals

被引：34
|
作者：
Gokilamani, N. [1 ]
Muthukumarasamy, N. [1 ]
Thambidurai, M. [2 ]
Ranjitha, A. [1 ]
Velauthapillai, Dhayalan [3 ]
Senthil, T. S. [4 ]
Balasundaraprabhu, R. [5 ]
机构：
[1] Coimbatore Inst Technol, Dept Phys, Coimbatore, Tamil Nadu, India
[2] Seoul Natl Univ, Dept Elect & Comp Engn, Global Frontier Ctr Multiscale Energy Syst, Seoul 151744, South Korea
[3] Univ Coll Bergen, Dept Engn, Bergen, Norway
[4] Yeungnam Univ, Dept Chem, Gyongsan, South Korea
[5] PSG Coll Technol, Dept Phys, Coimbatore, Tamil Nadu, India
来源：
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS | 2013年 / 24卷 / 09期
关键词：
NANOCRYSTALLINE TIO2 FILMS; EFFICIENT PHOTOSENSITIZATION; POMEGRANATE PIGMENTS; ELECTRON-TRANSFER; AQUEOUS-MEDIUM; ANTHOCYANINS; CONVERSION; FLOWERS;
D O I：
10.1007/s10854-013-1261-8
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Nanocrystalline TiO2 dye-sensitized solar cells have been fabricated using TiO2 photoelectrode sensitized using the extracts of red rose and table rose as natural sensitizers and their characteristics have been studied. The extracts having anthocyanin pigment (pelargonidin, peonidin and cyanidin), which have hydroxyl and carboxylic groups in the molecule can attach effectively to the surface of TiO2 film. The solar cell constructed using the red rose sensitized TiO2 photo-electrode exhibited a short-circuit photocurrent of 4.57 mA/cm(2) and a power conversion efficiency of 0.81 % and that of table rose sensitized TiO2 photo-electrode exhibited a short-circuit photocurrent of 4.23 mA/cm(2) and a power conversion efficiency of 0.67 %. Natural dye sensitized TiO2 photo electrodes present the prospect to be used as an environment-friendly, low-cost alternative system.
引用
收藏
页码：3394 / 3402
页数：9
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