Colloidal Quantum Dots Allow Solar Cells to Be Sprayed on Products

Using miniscule light-sensitive materials known as colloidal quantum dots, scientists from the University of Toronto have developed new technique for spraying solar cells onto products. Pretty soon, powering your tablet could be as simple as wrapping it in cling wrap. That’s Illan Kramer’s hope. Kramer and colleagues have just invented a new way to spray […]
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