Carrageenan-ionic liquid electrolyte system for dye-sensitized solar cells
Dye-sensitized solar cells (DSSC) are the latest generation of photovoltaic cells being explored. By the use of solar energy, conversion processes occur within the cell, yielding to the production of work or electricity. However, replacement of liquid electrolyte systems of DSSCs are highly sought...
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oai:animorepository.dlsu.edu.ph:etd_bachelors-73972021-07-19T03:06:02Z Carrageenan-ionic liquid electrolyte system for dye-sensitized solar cells Nierras, Christine Megan D. Vista, Frances Nicola L., Dye-sensitized solar cells (DSSC) are the latest generation of photovoltaic cells being explored. By the use of solar energy, conversion processes occur within the cell, yielding to the production of work or electricity. However, replacement of liquid electrolyte systems of DSSCs are highly sought in order to eliminate the problems on leakage, evaporation of liquid and ineffective sealing. This study investigated the incorporation of imidazolium-based ionic liquid (IL) to K-carrageenan together with the I/I3 redox couple, to make up the polymer electrolyte system for DSSC. The characterization methods done to examine the different polymer blends were Infrared Spectroscopy, Thermal Analysis, surface morphological studies, Cyclic Voltammetry and Electrochemical Impedance Spectroscopy. Fabrication of DSSC using the polymer electrolyte system was done and the efficiencies were obtained by a solar simulator. Tests revealed that higher concentration of IL improved the solar cell's efficiency, while lower concentration of carrageenan increased the ionic mobility in the system. Various side reactions within the system occur alongside the forward reactions, which may hindered the maximum potential of the DSSCs. Although low efficiencies were achieved (<0.05%), the inaccuracies and problems were presented to account for the low yield and so improve the DSSC for future studies. 2014-01-01T08:00:00Z text https://animorepository.dlsu.edu.ph/etd_bachelors/6753 Bachelor's Theses English Animo Repository Dye-sensitized solar cells Solar cells |
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Dye-sensitized solar cells Solar cells Nierras, Christine Megan D. Vista, Frances Nicola L., Carrageenan-ionic liquid electrolyte system for dye-sensitized solar cells |
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Dye-sensitized solar cells (DSSC) are the latest generation of photovoltaic cells being explored. By the use of solar energy, conversion processes occur within the cell, yielding to the production of work or electricity. However, replacement of liquid electrolyte systems of DSSCs are highly sought in order to eliminate the problems on leakage, evaporation of liquid and ineffective sealing. This study investigated the incorporation of imidazolium-based ionic liquid (IL) to K-carrageenan together with the I/I3 redox couple, to make up the polymer electrolyte system for DSSC. The characterization methods done to examine the different polymer blends were Infrared Spectroscopy, Thermal Analysis, surface morphological studies, Cyclic Voltammetry and Electrochemical Impedance Spectroscopy. Fabrication of DSSC using the polymer electrolyte system was done and the efficiencies were obtained by a solar simulator. Tests revealed that higher concentration of IL improved the solar cell's efficiency, while lower concentration of carrageenan increased the ionic mobility in the system. Various side reactions within the system occur alongside the forward reactions, which may hindered the maximum potential of the DSSCs. Although low efficiencies were achieved (<0.05%), the inaccuracies and problems were presented to account for the low yield and so improve the DSSC for future studies. |
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text |
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Nierras, Christine Megan D. Vista, Frances Nicola L., |
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Nierras, Christine Megan D. Vista, Frances Nicola L., |
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Nierras, Christine Megan D. |
title |
Carrageenan-ionic liquid electrolyte system for dye-sensitized solar cells |
title_short |
Carrageenan-ionic liquid electrolyte system for dye-sensitized solar cells |
title_full |
Carrageenan-ionic liquid electrolyte system for dye-sensitized solar cells |
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Carrageenan-ionic liquid electrolyte system for dye-sensitized solar cells |
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Carrageenan-ionic liquid electrolyte system for dye-sensitized solar cells |
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carrageenan-ionic liquid electrolyte system for dye-sensitized solar cells |
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Animo Repository |
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2014 |
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https://animorepository.dlsu.edu.ph/etd_bachelors/6753 |
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