Sustainable Development through Sensitized Solar Cells
Remarking An Analisation (P: ISSN NO.: 2394-0344 RNI No.UPBIL/2016/67980 VOL-5* ISSUE-10*
January- 2021 E: ISSN NO.: 2455-0817)
Paper Submission: 12/01/2021, Date of Acceptance: 25/01/2021, Date of Publication: 26/01/2021
Abstract
Assistant Professor,
Dept. of Chemistry,
Meerut College,
Meerut, UP, India
Vinay Prabha Sharma
Associate Professor, Dept. of Chemistry, Meerut College, Meerut, UP, India
Solar energy is considered to be a perfect key to requirement of renewable and economical energy sources for future. Moreover, it embodies the principle of sustainable development as it is available abundantly and does not produce any waste and has no adverse effects on the environment. Especially, solar cells that lead to direct photoconversion of solar energy to electrical energy by using photovoltaic technology are promising devices. Currently, the commercially available solar cells are made largely from highly purified crystalline silicon but these incur higher manufacturing costs. Therefore, researchers are seeking new inexpensive alternatives based on nanocrystalline materials generally referred as third generation solar cells. The emergence of DSSCs, that used mesoporous nanocrystalline TiO2 sensitized with the ruthenium-based dye molecule, marked the beginning of third generation of solar cells. Since then noteworthy progress has been made in sensitized photovoltaic technology through evolution of the sensitizers from organic dye in DSSCs to inorganic quantum dot in QDSSCs and hybrid organic-inorganic perovskite in PSCs. All these solar cells are very promising as they are less expensive, flexible, compact, lightweight and efficient. The present review, highlights the recent developments in the sensitized solar cells, especially focused on envisaging new, cost effective, efficient, highly stable and eco-friendly sensitizers.
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