Fabrication of dye-sensitized solar cells using natural dye for food pigment: Monascus yellow

被引：57

作者：

Ito, Seigo ^{[1
]}

Saitou, Tsubasa ^{[1
]}

Imahori, Hiroshi ^{[2
,3
]}

Uehara, Hideaki ^{[4
]}

Hasegawa, Naoki ^{[4
]}

机构：

[1] Univ Hyogo, Dept Elect Engn & Comp Sci, Grad Sch Engn, Himeji, Hyogo 6712280, Japan

[2] Kyoto Univ, Inst Integrated Cell Mat Sci, Nishikyo Ku, Kyoto 6158510, Japan

[3] Kyoto Univ, Dept Mol Engn, Grad Sch Engn, Nishikyo Ku, Kyoto 6158510, Japan

[4] Yaegaki Bioind Inc, Himeji, Hyogo 6794298, Japan

来源：

ENERGY & ENVIRONMENTAL SCIENCE | 2010年 / 3卷 / 07期

关键词：

CONVERSION-EFFICIENCY; TIO2; FILMS; PHOTOSENSITIZATION; PHOTOSYNTHESIS; PERFORMANCE;

D O I：

10.1039/c000869a

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A food pigment (Monascus yellow) extracted from Monascus fermentations (red yeast rice) has been studied as a novel sensitizing dye for dye-sensitized solar cells (DSCs). The photocurrent action spectrum was in agreement with the absorption spectrum of the dye adsorbed on a nanocrystalline-TiO(2) electrode. The DSC fabrication process has been optimized in terms of the rinsing solvent used after dye adsorption and the dye-uptake duration. After optimizing nanocrystalline-TiO(2) electrodes and pH conditions, the resulting maximal photovoltaic characteristics were an open-circuit voltage of 0.57 V, a short-circuit current of 6.1 mA cm(-2), and a fill factor of 0.66, yielding an energy conversion efficiency of 2.3%.

引用

页码：905 / 909

页数：5

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