Organic solar cells help plants in greenhouses grow better, finds study

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Organic solar cells help plants in greenhouses grow better, finds study
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Plants inside greenhouses grew faster and used lesser water.

Researchers at the Samueli School of Engineering at the University of California, Los Angeles have developed solar cells using organic components and deployed them in greenhouses to demonstrate a use case in agrivoltaics.

With nations around the world looking for ways to move away from fossil fuels, solar energy is one of the renewable energy sources everybody is looking to tap into. However, the deployment of large solar farms is competing with the need to feed the growing global population. This is where the field ofThe method allows for the dual use of the available land and allows for the generation of solar-based energy along with agriculture.

A research team led by Yang Yang, a material scientist at UCLA, turned to organic materials, i.e., those having carbon as one of the components to make solar cells instead. This method, however, has a drawback in that incident sunlight causes oxidation of the organic components, leading to their decay and significantly dropping their efficiency.

Yang and his team turned to another naturally occurring material, L-glutathione, to add a layer to the organic solar cells to overcome this. Sold as an over-the-counter, antioxidant dietary supplement, the L-glutathione layer prevented the materials from undergoing oxidation and maintained their efficiency, even after 1,000 hours of continuous use.

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