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    Home > Coatings News > Pigment and Filler News > New research finds that ancient Egyptian pigments can save energy and generate electricity

    New research finds that ancient Egyptian pigments can save energy and generate electricity

    • Last Update: 2020-12-13
    • Source: Internet
    • Author: User
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    years ago, the ancient Egyptians invented a blue pigment that was mainly used to paint gods and royalty, according to foreign media. The pigment, which comes from calcium, copper silicate, is now known as Egyptian blue, and new research has found that it saves energy and generates electricity. Previous studies have shown that the surface coated with Egyptian blue absorbs incoming visible light and emits it in the form of near-infrared light
    the
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    a recent study, scientists from Lawrence Berkeley National Laboratory found that the pigment was 10 times more fluorescent than originally thought. In fact, the pigment releases almost 100% of the photons it absorbs, and energy efficiency is 70%.
    team, led by Paul Berdahl, now hopes to apply the pigment to paint or tiles on the roof of a building, which will reflect sunlight and keep the interior cool and reduce the need for power-hungry air conditioners.
    addition, if the pigment is applied to the window glass, the near-infrared light emitted by it can be absorbed by photovoltaic cells located at the edge of the window and converted into electrical energy.
    study has been published in Journal of Applied Physics.
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