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Spectrochim Acta A Mol Biomol Spectrosc. 2017 Apr 5;176:91-98. doi: 10.1016/j.saa.2017.01.002. Epub 2017 Jan 4.

A cockspur for the DSS cells: Erythrina crista-galli sensitizers.

Author information

1
Laboratorio de Biomateriales, Facultad de Ciencias, Universidad de la República, Iguá 4225, 11400 Montevideo, Uruguay.
2
Ecole Polytechnique Federale de Lausanne, 1015 Lausanne, Switzerland.
3
Karlsruher Institut für Technologie, Karlsruhe, Germany.
4
Instituto de Investigaciones Biotecnológicas - Instituto Tecnológico de Chascomús (IIB-INTECH), Universidad Nacional de San Martín (UNSAM) - Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Intendente Marino km 8.2, CC 164, B7130IWA Chascomús, Buenos Aires, Argentina.
5
Laboratorio de Biomateriales, Facultad de Ciencias, Universidad de la República, Iguá 4225, 11400 Montevideo, Uruguay. Electronic address: fcerda@fcien.edu.uy.

Abstract

Dye sensitized solar cells were assembled employing a mixture of anthocyanins extracted from red ceibo's flowers. At the literature different extraction procedures are reported to extract anthocyanins from natural products and sensitize the cells. In order to compare them, different methods were followed to set the cells under the same conditions. Assembled cells showed very interesting conversion efficiency values, reaching a 0.73% value for extracts purified using C18 column, in open cells under illumination using a solar light simulator, 1 sun, 1.5 AM. Data reported herein prove that anthocyanins obtained from ceibo's flower, after simple further purification, might represent an excellent, cheap and clean alternative for the development of DSS cells.

KEYWORDS:

Anthocyanins; DSSC; Natural dye

PMID:
28081494
DOI:
10.1016/j.saa.2017.01.002

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