Friday, August 9, 2013

Self-healing solar cells mimic leaves | KurzweilAI

Self-healing solar cells mimic leaves | KurzweilAI: These biomimetic (nature-mimicking) devices are a type of dye-sensitized solar cells (DSSCs). They are composed of a hydrogel (water-based gel) core, electrodes, and inexpensive, light-sensitive organic-dye molecules that capture light and generate electric current...

“Photovoltaic cells rendered ineffective by high intensities of ultraviolet rays were regenerated by pumping fresh dye into the channels while cycling the exhausted dye out of the cell. This process restores the device’s effectiveness in producing electricity over multiple cycles.”

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