Advances in Materials
Volume 5, Issue 5, October 2016, Pages: 31-34
Received: Jul. 25, 2016;
Accepted: Aug. 5, 2016;
Published: Aug. 29, 2016
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Ezeoke Jonathan, Department of Physics, Nigerian Defence Academy, Kaduna, Nigeria
Muhammad Yusuf Onimisi, Department of Physics, Nigerian Defence Academy, Kaduna, Nigeria
Danladi Eli, Department of Physics, Nigerian Defence Academy, Kaduna, Nigeria
The performance of dye sensitized solar cells (DSSCs), sensitized with natural pigments extracted from mango (mangifera indica), carica papaya, moringa oleifera leaves and bougainvillea flower was demonstrated. The photoactive electrodes of the various DSSCs were sensitized with aqueous extract of the natural pigments. The resulting photoelectrodes were successfully incorporated into the DSSCs. The photoelectrochemical perfomance of the DSSCs were evaluated under 100 mAcm-2 light intensity with open circuit voltage (VOC) ranging from 0.36 to 0.49 V and short circuit current density (JSC) ranging from 0.0134 to 0.1314 mAcm-2. From the photovoltaic performance of the extracts, the Mangifera Indica extract sensitized solar cell gave the best performance with Jsc of 0.1314 mAcm-2, Voc of 0.49 V, a fill factor (FF) of 0.59, and an overall solar energy conversion efficiency (η) of 0.038%. The sensitization performance related to the interaction between the dye and TiO2 surface is discussed.
Muhammad Yusuf Onimisi,
Natural Pigments as Sensitizers for Dye Sensitized Solar Cells, Advances in Materials.
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