Pumpkin stem-derived activated carbons as counter electrodes for dye-sensitized solar cells

Rajesh Madhu; Vediyappan Veeramani; Shen Ming Chen; Jayabal Palanisamy; A. T. Ezhil Vilian

doi:10.1039/c4ra12585a

Pumpkin stem-derived activated carbons as counter electrodes for dye-sensitized solar cells

Rajesh Madhu, Vediyappan Veeramani, Shen Ming Chen, Jayabal Palanisamy, A. T. Ezhil Vilian

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Abstract

Activated carbons (ACs) with a high surface area have been prepared from pumpkin stem wastes, using a simple and eco-friendly method. The as-prepared samples were characterized by field-emission scanning electron microscopy, high-resolution transmission electron microscopy, CHNS elemental analysis, and Raman spectroscopy. Furthermore, the AC samples were coated on indium tin oxide (ITO) substrates by the doctor blade technique and were used as counter electrodes (CEs) for dye sensitized solar cells (DSSCs). The fabricated DSSCs with AC counter electrodes showed a high power conversion efficiency of 2.79%. Notably, the excellent performance of the dye-sensitized solar cells fabricated with AC modified CEs surpassed that of several carbon-based counter electrodes in the literature.

Original language	British English
Pages (from-to)	63917-63921
Number of pages	5
Journal	RSC Advances
Volume	4
Issue number	109
DOIs	https://doi.org/10.1039/c4ra12585a
State	Published - 2014

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title = "Pumpkin stem-derived activated carbons as counter electrodes for dye-sensitized solar cells",

abstract = "Activated carbons (ACs) with a high surface area have been prepared from pumpkin stem wastes, using a simple and eco-friendly method. The as-prepared samples were characterized by field-emission scanning electron microscopy, high-resolution transmission electron microscopy, CHNS elemental analysis, and Raman spectroscopy. Furthermore, the AC samples were coated on indium tin oxide (ITO) substrates by the doctor blade technique and were used as counter electrodes (CEs) for dye sensitized solar cells (DSSCs). The fabricated DSSCs with AC counter electrodes showed a high power conversion efficiency of 2.79%. Notably, the excellent performance of the dye-sensitized solar cells fabricated with AC modified CEs surpassed that of several carbon-based counter electrodes in the literature.",

author = "Rajesh Madhu and Vediyappan Veeramani and Chen, {Shen Ming} and Jayabal Palanisamy and {Ezhil Vilian}, {A. T.}",

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AU - Madhu, Rajesh

AU - Veeramani, Vediyappan

AU - Chen, Shen Ming

AU - Palanisamy, Jayabal

AU - Ezhil Vilian, A. T.

PY - 2014

Y1 - 2014

N2 - Activated carbons (ACs) with a high surface area have been prepared from pumpkin stem wastes, using a simple and eco-friendly method. The as-prepared samples were characterized by field-emission scanning electron microscopy, high-resolution transmission electron microscopy, CHNS elemental analysis, and Raman spectroscopy. Furthermore, the AC samples were coated on indium tin oxide (ITO) substrates by the doctor blade technique and were used as counter electrodes (CEs) for dye sensitized solar cells (DSSCs). The fabricated DSSCs with AC counter electrodes showed a high power conversion efficiency of 2.79%. Notably, the excellent performance of the dye-sensitized solar cells fabricated with AC modified CEs surpassed that of several carbon-based counter electrodes in the literature.

AB - Activated carbons (ACs) with a high surface area have been prepared from pumpkin stem wastes, using a simple and eco-friendly method. The as-prepared samples were characterized by field-emission scanning electron microscopy, high-resolution transmission electron microscopy, CHNS elemental analysis, and Raman spectroscopy. Furthermore, the AC samples were coated on indium tin oxide (ITO) substrates by the doctor blade technique and were used as counter electrodes (CEs) for dye sensitized solar cells (DSSCs). The fabricated DSSCs with AC counter electrodes showed a high power conversion efficiency of 2.79%. Notably, the excellent performance of the dye-sensitized solar cells fabricated with AC modified CEs surpassed that of several carbon-based counter electrodes in the literature.

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Pumpkin stem-derived activated carbons as counter electrodes for dye-sensitized solar cells

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