Inderscience Publishers

Role of acridine orange – sodium lauryl sulphate system in photogalvanic cell for solar energy conversion

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Energy conversion efficiency was studied in liquid phase photogalvanic cell consisting acridine orange as photosensitiser, NaLS as surfactant and DTPA as reductant. Values of photopotential and photocurrent generated by this system were 746.0 mV and 205.0 µA respectively. The observed power conversion photon energy efficiency was 0.83% and fill factor was determined as 0.56. This photogalvanic cell showing the storage capacity in dark for 95 min. against charging time was 210 min. The effects of different parameters (pH, concentration, light intensity, i–V characteristics) on electrical output of the cell were observed. A reaction mechanism has also been proposed for photogalvanic performance of the cell and discussed in the context of possible applications to solar energy conversion and storage.

Keywords: energy conversion, renewable energy, fill factor, micelle, storage capacity, acridine orange, sodium lauryl sulphate, photogalvanic cells, solar energy, solar power, energy conversion efficiency, energy storage

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