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A plastic solar cell turn the sun's power into electrical energy. Like paint, the composite can be sprayed onto other materials and used as portable electricity. This techonoly has a history behind it.

At age 19, in 1839, French physicist Edmond Becquerel realized that certain materials produced small quantities of electric current when they were exposed to light. In the 1870s, scientists studied the photovoltaic effect (the ability of the sun to produce electricity) with selenium. Selenium PV cells were developed that converted light into electricity at 1-2% efficiency. By the late 1950s, solar cells reached 10% efficiency.

Dr. Jiwen Liu, a researcher in the Wake Forest University Center for Nanotechnology and Molecular Materials is a among the new scientists devepoling plastic solar cells.

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15y ago

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