Researchers at the Indian Institute of Science Education and Research (IISER) Bhopal have developed organic solar cells using a synthetic derivative of vitamin B12.
About:
Organic solar cells are made of thin layers of organic materials with thickness in the 100-nanometre range.
They were first introduced by the research group of Dr. Ching Tang at Kodak Research Laboratories in 1986.
Working:
Organic solar cells basically comprise the following layers: first electrode, electron transport layer, photoactive layer, hole transport layer, and second electrode.
In general, a solar cell absorbs light, separates the created electrons and holes from each other and delivers electrical power at the contacts.
Benefits:
Compared to silicon-based devices, polymer solar cells are lightweight, potentially disposable and inexpensive to fabricate, flexible, customizable on the molecular level and potentially have less adverse environmental impact.
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