Título:
Blueberries as a source of energy: physical chemistry characterization of their anthocyanins as dye-sensitized solar cells’ sensitizers
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Autor:
Montagni, Tatiana
Rodríguez Chialanza, Mauricio
Cerdá, María Fernanda
Rodríguez Chialanza, Mauricio
Cerdá, María Fernanda
Tutor:
Tipo de documento:
Artículo
Editor:
Palabras clave:
Delphinidin
Impedance
DSSC
Nanoparticles
Impedance
DSSC
Nanoparticles
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Año de publicación:
2023
Contenido:
Resumen:
This work aimed to show the possibility of applying anthocyanins extracted from blueberries following a straightforward path as potential impregnation dyes in dye-sensitized solar cells (DSSCs), particularly in the presence of co-adsorbents, such as silver nanoparticles, as an alternative in order to profit from large amounts of discarded fruits. Following a simple procedure, anthocyanins (mainly delphinidin-3-glucoside) were obtained from blueberries (Southern Highbush type). Complete characterization was carried out in order to prove the utility of delphinidin-3-glucoside as a sensitizer in DSSCs. The analyzed anthocyanin is suitable for sensitizing because of its high molar absorptivity values within the visible region of the light spectra, the adsorption ability to a FTO/TiO2
electrode (FTO, fluorine-doped tin oxide) as confirmed by Fourier transform infrared (FTIR) as well as
thermogravimetry coupled to differential scanning calorimetry (TG-DSC), a potential oxidation value near 1 V, and adequate thermal as well as light stabilities. Moreover, the cell’s conversion efficiency is improved in the presence of silver nanoparticles, reaching 0.24% (nearly a 25% increase). The sum of all these characteristics points to the application of delphinidin-3-glucoside as a sensitizer in DSSCs, offering a technological use with potential interest for countries where agricultural production offers an abundant origin of extraction.
Descripción:
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MDPI
EN:
Solar, 2023, 3(2): 283–297.
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Citación:
Montagni, T, Rodríguez Chialanza, M y Cerdá, M. "Blueberries as a source of energy: physical chemistry characterization of their anthocyanins as dye-sensitized solar cells’ sensitizers". Solar. [en línea] 2023, 3(2): 283–297. 15 h. DOI: 10.3390/solar3020017.
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ISSN:
2673-9941
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Licencia:
Licencia Creative Commons Atribución (CC - By 4.0)
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| Ficheros | Descripción | Tamaño | Formato | ||
|---|---|---|---|---|---|
| 10.3390.solar3020017.pdf | — | 3.7 MB | Adobe PDF |