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Article . 2024
License: CC BY
Data sources: Datacite
ZENODO
Article . 2024
License: CC BY
Data sources: Datacite
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Applications of Natural Dye Extracted from Malabar spinach and Red spinach as Photosensitizers in Dye-Sensitized Solar Cell

Authors: Northern University Bangladesh;

Applications of Natural Dye Extracted from Malabar spinach and Red spinach as Photosensitizers in Dye-Sensitized Solar Cell

Abstract

Dye-sensitized solar cells (DSSCs) have emerged as an innovative solar energy conversion technology that offers a new path for sustainable power generation. Typical DSSC consists of a sensitizing dye chemically bound to a nanocrystalline semiconductor oxide. In this study, two natural dyes were extracted from Malabar spinach and red spinach respectively, and used as photosensitizers to construct the DSSCs. The candle nip carbon coating technique was employed to prepare the counter electrodes, and a redox liquid iodine (I-/I3-) was used as an electrolyte. UV-vis spectroscopy was utilized to investigate the absorption range of the extracted dyes, while FT-IR was utilized to analyze the functional groups present. The photovoltaic properties of the cells, as well as their efficiency, were evaluated using current-voltage (I-V) curves. The extracted dyes showed significant optical absorption in ultraviolet and visible regions. The FT-IR spectra confirmed the presence of anchoring groups in the dye solutions. DSSC based on Malabar spinach dye has shown an open-circuit voltage (Voc) of 0.64 V, a short-circuit current (Isc) of 0.49 mA, a fill factor (FF) of 0.52, and a photoelectric conversion efficiency of 0.16%. In contrast, DSSC based on red spinach extract shows a photoelectric conversion efficiency of 0.14% with an open circuit voltage (Voc) of 0.61 V, a short circuit current (Isc) of 0.41 mA, and a fill factor (FF) of 0.43

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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