Anthocyanins and betalains as light-harvesting pigments for dye-sensitized solar cells

被引：284

作者：

Calogero, Giuseppe ^{[1
]}

Yum, Jun-Ho ^{[2
]}

Sinopoli, Alessandro ^{[1
]}

Di Marco, Gaetano ^{[1
]}

Graetzel, Michael ^{[2
]}

Nazeeruddin, Mohammad Khaja ^{[2
]}

机构：

[1] CNR, IPCF, I-98158 Messina, Italy

[2] Ecole Polytech Fed Lausanne, SB, ISIC, LPI, CH-1015 Lausanne, Switzerland

来源：

SOLAR ENERGY | 2012年 / 86卷 / 05期

关键词：

Dye-sensitized solar cells; Natural dyes; Anthocyanins; Betalains; Solar energy; Titanium oxide; NANOCRYSTALLINE TIO2 FILMS; CHARGE-TRANSFER; NATURAL DYES; POMEGRANATE PIGMENTS; HIGH-EFFICIENCY; PHOTOSENSITIZATION; CONVERSION; STABILITY; RUTHENIUM; COMPLEX;

D O I：

10.1016/j.solener.2012.02.018

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

We present the photoelectrochemical properties of dye-sensitized solar cells using natural pigments containing betalains and anthocyanins as sensitizers. The dyes extracted from grape, mulberry, blackberry, red Sicilian orange, Sicilian prickly pear, eggplant and radic-chio have shown a monochromatic incident photon to current efficiency (IPCE) ranging from 40% to 69%. Short circuit photocurrent densities (J(sc)) up to 8.8 mA/cm(2), and open circuit voltage (V-oc) ranging from 316 to 419 mV, were obtained from these natural dyes under 100 mW/cm(2) (AM 1.5) simulated sunlight. The best solar conversion efficiency of 2.06% was achieved with Sicilian prickly pear fruits extract. The influence of pH and co-absorbers on natural sensitizers, were investigated and discussed. (C) 2012 Elsevier Ltd. All rights reserved.

引用

页码：1563 / 1575

页数：13

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