Efficient Dye-Sensitized Solar Cells Using Red Turnip and Purple Wild Sicilian Prickly Pear Fruits

被引：180
作者：
Calogero, Giuseppe [1 ]
Di Marco, Gaetano [1 ]
Cazzanti, Silvia
Caramori, Stefano
Argazzi, Roberto [2 ]
Di Carlo, Aldo [3 ]
Bignozzi, Carlo Alberto
机构：
[1] CNR, Ist Proc Chim Fis, I-98158 C Da Papardo, Faro Superiore, Italy
[2] Univ Ferrara, Dipartimento Chim, ISOF, CNR, I-44100 Ferrara, Italy
[3] Univ Roma Tor Vergata, Dipartimento Ingn Elettron, I-00173 Rome, Italy
来源：
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES | 2010年 / 11卷 / 01期
关键词：
solar cells; betalaine; opuntia; red turnip; natural dyes; solar energy; NANOCRYSTALLINE TIO2 FILMS; NATURAL DYES; PHOTOSENSITIZATION; STABILITY; COMPLEX; LIGHT; CN; CL;
D O I：
10.3390/ijms11010254
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
Dye-sensitized solar cells (DSSCs) were assembled by using the bougainvillea flowers, red turnip and the purple wild Sicilian prickly pear fruit juice extracts as natural sensitizers of TiO2 films. The yellow orange indicaxanthin and the red purple betacyanins are the main components in the cocktail of natural dyes obtained from these natural products. The best overall solar energy conversion efficiency of 1.7% was obtained, under AM 1.5 irradiation, with the red turnip extract, that showed a remarkable current density (Jsc = 9.5 mA/cm(2)) and a high IPCE value (65% at lambda = 470 nm). Also the purple extract of the wild Sicilian prickly pear fruit showed interesting performances, with a Jsc of 9.4 mA/cm(2), corresponding to a solar to electrical power conversion of 1.26%.
引用
收藏
页码：254 / 267
页数：14
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