"Paper paste" solar cells come out: photoelectric conversion efficiency is not high

"Paper paste" solar cells come out: photoelectric conversion efficiency is not high

A Japanese research team has developed a new type of solar panel using wood pulp as a raw material. This “paper-paste” solar cell is environmentally friendly, cheap, ultra-thin and flexible, and may be of great use in the future.

According to the report of Japan’s “Daily News” website, a research team led by Nobuya Nobuta, an associate professor at Osaka University’s Institute of Industrial Science, used plant fibers in wood pulp as a raw material to successfully develop a transparent material with a thickness of only 15 nm through compression processing. , and use this as a substrate, the photoelectric conversion of organic materials and wiring embedded with pressure, resulting in paper solar cells.

Allegedly, the "paper paste" solar cell photoelectric conversion efficiency is only 3%, far less than the average conversion rate of solar cells for electricity generation 10% to 20%, but similar to the glass substrate solar cells, and portable and easy to use, simple manufacturing, cost Extremely low.

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