Journal of Chemical and Pharmaceutical Research (ISSN : 0975-7384)

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Reviews: 2015 Vol: 7 Issue: 4

Natural green pigments to transform sunlight into electricity

Abstract

Sunlight is the most promising source of energy to meet the demands of the growing population. The conventional silicon based photovoltaic devices are replaced by the novel dye sensitized solar cells due to their remarkable benefits. Since the inception of this novel device, enormous research has been focused in order to enhance the conversion of solar energy into clean electricity. Various synthetic and natural dyes have been tested as photo sensitizers since more than two decades. In this paper, we have discussed the principles involved in the dye sensitized solar cell and natural pigments preferred with special focus on the chlorophyll pigments for photosensitization and their reported efficiencies.

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