In future, when your mobile or tablet runs out of battery, you could just recharge it by putting it out in the sun. Nanyang Technological University (NTU) scientists have developed a next-generation solar cell material which can also emit light, in addition to converting light to electricity. This solar cell is developed from Perovskite, a.. ...

solar and light

http://solarthermalmagazine.com/2014/03/24/new-material-could-lead-to-

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