Technology Innovations

IIT-Roorkee Scientists Create Solar Cells From Fruits

Posted on: 7 May 2017


Scientists at the Indian Institute of Technology (IIT)-Roorkee have fabricated low-cost thin film solar cells by extracting the plant pigments from plums, black currants, and berries.

The team found that the plant pigments are good at absorbing sunlight. According to a study, published in the Journal of Photovoltaics, plant pigments are naturally occurring biodegradable and nontoxic molecules that are extracted using techniques that involve negligible cost to the environment and therefore can provide eco-friendly alternatives to synthetic dyes that are used for thin film solar cells production.

The researchers at IIT-Roorkee extracted the plant pigments using ethanol to create the thin film solar cells. And while the organic thin film solar cells are not yet as efficient as conventional silicon-based solar cells, the team is investigating ways to make them more efficient and cost-effective. Read the full report by Lorraine Chow.

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